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Daikin RXYQ14PAYL — troubleshooting Indoor Unit Transmission Failures [283/452]
![Daikin RXYQ20PAYL [283/452] Indoor unit failure of transmission between indoor unit pcb and fan pcb](/views2/1716343/page283/bg11b.png)
Si34-803_B Troubleshooting by Indication on the Remote Controller
Troubleshooting 272
3.10
“
C1
”
Indoor Unit: Failure of Transmission (Between
Indoor Unit PCB and Fan PCB)
Remote
Controller
Display
C1
Applicable
Models
FXMQ20~140P
Method of
Malfunction
Detection
Check the condition of transmission between indoor PCB (A1P) and PCB for fan (A2P) using
computer.
Malfunction
Decision
Conditions
When normal transmission is not conducted for certain duration.
Supposed
Causes
Connection defect of the connecter between indoor PCB (A1P) and PCB for fan (A2P).
Malfunction of indoor PCB (A1P).
Malfunction of PCB for fan (A2P).
External factor, such as instantaneous blackout.
Содержание
- Combination of outdoor units 4 model selection p.2
- Part 4 function 08 p.2
- Part 3 refrigerant circuit 7 p.2
- Part 2 specifications 1 p.2
- Part 1 general information p.2
- Model names of indoor outdoor units 2 external appearance p.2
- Introduction vi p.2
- Functional parts layout 7 p.2
- Function general 09 p.2
- Basic control 11 p.2
- Table of contents p.2
- Specifications 2 p.2
- Refrigerant flow for each operation mode 2 p.2
- Refrigerant circuit 8 p.2
- R 410a heat pump 50hz 60hz p.2
- Protection control 51 p.3
- Test operation 76 p.3
- Symptom based troubleshooting 39 2 troubleshooting by remote controller 42 p.3
- Special control 42 p.3
- Part 6 troubleshooting 36 p.3
- Part 5 test operation 75 p.3
- Outline of control indoor unit 62 p.3
- Outdoor unit pcb layout 91 3 field setting 92 p.3
- Other control 56 p.3
- Troubleshooting by indication on the remote controller 57 p.4
- Wiring diagrams for reference 71 p.5
- List of electrical and functional parts 02 p.5
- Troubleshooting op unified on off controller 50 p.5
- Troubleshooting op centralized remote controller 42 p.5
- Piping diagrams 60 p.5
- Part 7 appendix 59 p.5
- Precautions for new refrigerant r 410a 32 p.6
- Piping installation point 22 p.6
- Part 8 precautions for new refrigerant r 410a 31 p.6
- Option list 18 p.6
- Example of connection r 410a type 24 7 thermistor resistance temperature characteristics 26 8 pressure sensor 28 9 method of checking the inverter s power transistors and diode modules 29 p.6
- Warning p.7
- Safety cautions p.7
- Introduction p.7
- Caution in repair p.7
- Cautions regarding products after repair p.8
- Caution p.8
- Warning p.8
- Warning p.9
- Inspection after repair p.9
- Caution p.9
- Warning p.10
- Using icons list p.10
- Using icons p.10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below p.10
- Caution p.10
- Preface p.11
- Part 1 general information p.12
- Indoor units p.13
- High cop series energy saving series p.13
- Heat pump rxyq p.13
- General information 2 p.13
- E the unit with anti corrosion treatment p.13
- Y1 e yl e tl e p.13
- Si34 803_b model names of indoor outdoor units p.13
- Series model name power supply p.13
- Power supply ve 1 phase 220 240v 50hz v1 1 phase 220 240v 50hz y1 3 phase 380 415v 50hz yl 3 phase 380v 60hz tl 3 phase 220v 60hz p.13
- P a h 40p a h 42p a h 44p a h 46p a h 48p a h 50p a h p.13
- P a h 18p a h 24p a h 26p a h 28p a h 30p a h 32p a h 34p a h 36p a h p.13
- P a 8p a 10p a 12p a 14p a 16p a 18p a 20p a 22p a y1 e yl e tl e 24p a 26p a 28p a 30p a 32p a 34p a 36p a 38p a 40p a p.13
- P a 44p a 46p a 48p a 50p a 52p a 54p a p.13
- Outdoor units normal series p.13
- Note fxdq has following 2 series as show below fxdq pb nbvet without drain pump fxdq pb nbve with drain pump bev unit is required for each indoor unit ma rohs directive models specifications dimensions and other functions are not changed compared with m type p.13
- Model names of indoor outdoor units p.13
- Ceiling mounted duct type p.14
- Ceiling mounted cassette type round flow p.14
- Ceiling mounted cassette type double flow p.14
- Ceiling mounted cassette corner type p.14
- Ceiling mounted built in type p.14
- Wall mounted type p.14
- Slim ceiling mounted duct type p.14
- Indoor units p.14
- General information p.14
- Floor standing type p.14
- External appearance si34 803_b p.14
- External appearance p.14
- Concealed floor standing type p.14
- Ceiling suspended type p.14
- Ceiling suspended cassette type connection unit series p.14
- Ceiling mounted duct type middle and high static pressure p.14
- Rxyq38p a 40p a 42p a 44p a 46p a rxyq48p a 50p a 52p a 54p a p.15
- Rxyq20p a 22p a 24p a 26p a 28p a rxyq30p a 32p a 34p a 36p a p.15
- Rxyq12p a 14p a 16p a 18p a p.15
- Outdoor units p.15
- Normal series space saving series p.15
- Rxyq5p a rxyq8p a 10p a p.15
- Combination of outdoor units p.17
- Vrviii heat pump series p.19
- Si34 803_b model selection p.19
- Outdoor units normal type space saving type p.19
- Model selection p.19
- High cop type energy saving type p.19
- General information 8 p.19
- New refrigerant model code p20 type p25 type p32 type p40 type p50 type p63 type p80 type p100 type p125 type p140 type p200 type p250 type selecting model capacity 2 kw 2 kw 3 kw 4 kw 5 kw 7 kw 9 kw 11 kw 14 kw 16 kw 22 kw 28 kw p.20
- Model selection si34 803_b p.20
- Indoor unit capacity p.20
- In some models it is not possible to connect the maximum number of connectable indoor units select models so the total capacity of connected indoor units conforms to the specification p.20
- Hp 2 hp 2 hp 3 hp 4hp 5hp 6hp 8hp 10hp p.20
- General information p.20
- Equivalent output 0 hp 1hp p.20
- Connectable indoor unit p.20
- Use the above tables to determine the capacities of indoor units to be connected make sure the total capacity of indoor units connected to each outdoor unit is within the specified value kw p.20
- The total capacity of connected indoor units must be within a range of 50 to 130 of the rated capacity of the outdoor unit p.20
- Note fxdq has following 2 series as show below fxdq pb nbvet without drain pump fxdq pb nbve with drain pump bev unit is required for each indoor unit p.20
- Differences from conventional models p.21
- Specifications 2 p.22
- Part 2 specifications p.22
- Specifications 12 p.23
- Specifications p.23
- Si34 803_b specifications p.23
- Outdoor units p.23
- Specifications si34 803_b p.24
- Specifications p.24
- Specifications 14 p.25
- Si34 803_b specifications p.25
- Specifications si34 803_b p.26
- Specifications p.26
- Specifications 16 p.27
- Si34 803_b specifications p.27
- Specifications si34 803_b p.28
- Specifications p.28
- Specifications 18 p.29
- Si34 803_b specifications p.29
- Specifications si34 803_b p.30
- Specifications p.30
- Specifications 20 p.31
- Si34 803_b specifications p.31
- Specifications si34 803_b p.32
- Specifications p.32
- Specifications 22 p.33
- Si34 803_b specifications p.33
- Specifications si34 803_b p.34
- Specifications p.34
- Specifications 24 p.35
- Si34 803_b specifications p.35
- Specifications si34 803_b p.36
- Specifications p.36
- Specifications 26 p.37
- Si34 803_b specifications p.37
- Specifications si34 803_b p.38
- Specifications p.38
- Specifications 28 p.39
- Si34 803_b specifications p.39
- Specifications si34 803_b p.40
- Specifications p.40
- Specifications 30 p.41
- Si34 803_b specifications p.41
- Specifications si34 803_b p.42
- Specifications p.42
- Specifications 32 p.43
- Si34 803_b specifications p.43
- Specifications si34 803_b p.44
- Specifications p.44
- Specifications 34 p.45
- Si34 803_b specifications p.45
- Specifications si34 803_b p.46
- Specifications p.46
- Specifications 36 p.47
- Si34 803_b specifications p.47
- Specifications si34 803_b p.48
- Specifications p.48
- Specifications 38 p.49
- Si34 803_b specifications p.49
- Specifications si34 803_b p.50
- Specifications p.50
- Specifications 40 p.51
- Si34 803_b specifications p.51
- Specifications si34 803_b p.52
- Specifications p.52
- Specifications 42 p.53
- Si34 803_b specifications p.53
- Specifications si34 803_b p.54
- Specifications p.54
- Specifications 44 p.55
- Si34 803_b specifications p.55
- Specifications si34 803_b p.56
- Specifications p.56
- Specifications 46 p.57
- Si34 803_b specifications p.57
- Specifications si34 803_b p.58
- Specifications p.58
- Specifications 48 p.59
- Si34 803_b specifications p.59
- Specifications si34 803_b p.60
- Specifications p.60
- Specifications 50 p.61
- Si34 803_b specifications p.61
- Specifications si34 803_b p.62
- Specifications p.62
- Specifications 52 p.63
- Si34 803_b specifications p.63
- Specifications si34 803_b p.64
- Specifications p.64
- Specifications 54 p.65
- Si34 803_b specifications p.65
- Indoor units p.65
- Ceiling mounted cassette round flow type p.65
- Specifications si34 803_b p.66
- Specifications p.66
- Ceiling mounted cassette round flow type p.66
- Specifications 56 p.67
- Si34 803_b specifications p.67
- Ceiling mounted cassette type double flow p.67
- Specifications si34 803_b p.68
- Specifications p.68
- Ceiling mounted cassette type double flow p.68
- Specifications 58 p.69
- Si34 803_b specifications p.69
- Ceiling mounted cassette corner type p.69
- Specifications si34 803_b p.70
- Specifications p.70
- Slim ceiling mounted duct type ve with drain pump vet without drain pump p.70
- Si34 803_b specifications p.71
- Specifications 60 p.71
- Slim ceiling mounted duct type ve with drain pump vet without drain pump p.71
- Specifications si34 803_b p.72
- Specifications p.72
- Ceiling mounted built in type p.72
- Specifications 62 p.73
- Si34 803_b specifications p.73
- Ceiling mounted built in type p.73
- Specifications si34 803_b p.74
- Specifications p.74
- Ceiling mounted built in type p.74
- Specifications 64 p.75
- Si34 803_b specifications p.75
- Ceiling mounted duct type p.75
- Specifications p.76
- Ceiling mounted duct type p.76
- Specifications si34 803_b p.76
- Specifications 66 p.77
- Si34 803_b specifications p.77
- Ceiling mounted duct type p.77
- Specifications si34 803_b p.78
- Specifications p.78
- Ceiling mounted duct type p.78
- Specifications 68 p.79
- Si34 803_b specifications p.79
- Ceiling suspended type p.79
- Wall mounted type p.80
- Specifications si34 803_b p.80
- Specifications p.80
- Wall mounted type p.81
- Specifications 70 p.81
- Si34 803_b specifications p.81
- Specifications si34 803_b p.82
- Specifications p.82
- Floor standing type p.82
- Specifications 72 p.83
- Si34 803_b specifications p.83
- Floor standing type p.83
- Specifications si34 803_b p.84
- Specifications p.84
- Concealed floor standing type p.84
- Specifications 74 p.85
- Si34 803_b specifications p.85
- Concealed floor standing type p.85
- Specifications si34 803_b p.86
- Specifications p.86
- Ceiling suspended cassette type p.86
- Bev units p.86
- Specifications 76 p.87
- Si34 803_b specifications p.87
- Outdoor air processing unit p.87
- Refrigerant flow for each operation mode 2 p.88
- Refrigerant circuit 8 p.88
- Part 3 refrigerant circuit p.88
- Functional parts layout 7 p.88
- Si34 803_b refrigerant circuit p.89
- Rxyq5p a p.89
- Refrigerant circuit 78 p.89
- Refrigerant circuit p.89
- Rxyq5p a p.90
- Si34 803_b refrigerant circuit p.91
- Rxyq8p a p.91
- Refrigerant circuit 80 p.91
- Rxyq8p a p.92
- Si34 803_b refrigerant circuit p.93
- Rxyq10p a 12p a p.93
- Refrigerant circuit 82 p.93
- Rxyq10p a 12p a p.94
- Si34 803_b refrigerant circuit p.95
- Rxyq14p a 16p a 18p a p.95
- Refrigerant circuit 84 p.95
- Rxyq14p a 16p a 18p a p.96
- Thermistor p.97
- Sh control superheated control of heat exchanger outlet sc control subcooling control of heat exchanger outlet p.97
- Refrigerant system p.97
- Outdoor air processing unit fxmq125mfv1 250mfv1 p.97
- Main control equipment p.97
- Functional parts layout si34 803_b p.98
- Functional parts layout p.98
- Front view p.98
- Top view p.98
- Rxyq5p a p.98
- Refrigerant circuit p.98
- Top view p.99
- Thermistor p.99
- Si34 803_b functional parts layout p.99
- Rxyq8p a p.99
- Refrigerant circuit 88 p.99
- High pressure sensor s1nph p.99
- Heat exchanger p.99
- Front view p.99
- Accumulator p.99
- Heat exchanger p.100
- Functional parts layout si34 803_b p.100
- Front view p.100
- Accumulator p.100
- Top view p.100
- Rxyq10p a p.100
- Refrigerant circuit p.100
- Top view p.101
- Si34 803_b functional parts layout p.101
- Rxyq12p a p.101
- Refrigerant circuit 90 p.101
- Heat exchanger p.101
- Front view p.101
- Accumulator p.101
- Rxyq14p a 16p a 18p a p.102
- Refrigerant circuit p.102
- Heat exchanger p.102
- Functional parts layout si34 803_b p.102
- Front view p.102
- Accumulator p.102
- Top view p.102
- Si34 803_b refrigerant flow for each operation mode p.103
- Rxyq5p a cooling operation p.103
- Refrigerant flow for each operation mode p.103
- Refrigerant circuit 92 p.103
- Refrigerant flow for each operation mode si34 803_b p.104
- Refrigerant circuit p.104
- Cooling oil return operation p.104
- Si34 803_b refrigerant flow for each operation mode p.105
- Refrigerant circuit 94 p.105
- Heating oil return defrost operation p.105
- Refrigerant flow for each operation mode si34 803_b p.106
- Refrigerant circuit p.106
- Heating operation p.106
- Rxyq8p a cooling operation p.107
- Refrigerant circuit 96 p.107
- Si34 803_b refrigerant flow for each operation mode p.107
- Refrigerant flow for each operation mode si34 803_b p.108
- Refrigerant circuit p.108
- Cooling oil return operation p.108
- Si34 803_b refrigerant flow for each operation mode p.109
- Refrigerant circuit 98 p.109
- Heating oil return defrost operation p.109
- Refrigerant flow for each operation mode si34 803_b p.110
- Refrigerant circuit p.110
- Heating operation p.110
- Si34 803_b refrigerant flow for each operation mode p.111
- Rxyq10p a 12p a cooling operation p.111
- Refrigerant circuit 100 p.111
- Refrigerant flow for each operation mode si34 803_b p.112
- Refrigerant circuit p.112
- Cooling oil return operation p.112
- Si34 803_b refrigerant flow for each operation mode p.113
- Refrigerant circuit 102 p.113
- Heating oil return defrost operation p.113
- Refrigerant flow for each operation mode si34 803_b p.114
- Refrigerant circuit p.114
- Heating operation p.114
- Si34 803_b refrigerant flow for each operation mode p.115
- Rxyq14p a 16p a 18p a cooling operation p.115
- Refrigerant circuit 104 p.115
- Refrigerant flow for each operation mode si34 803_b p.116
- Refrigerant circuit p.116
- Cooling oil return operation p.116
- Si34 803_b refrigerant flow for each operation mode p.117
- Refrigerant circuit 106 p.117
- Heating oil return defrost operation p.117
- Heating operation p.118
- Refrigerant flow for each operation mode si34 803_b p.118
- Refrigerant circuit p.118
- Special control 42 p.119
- Protection control 51 p.119
- Part 4 function p.119
- Outline of control indoor unit 62 p.119
- Other control 56 p.119
- Function general 09 p.119
- Basic control 11 p.119
- Symbol p.120
- Function general p.120
- Si34 803_b function general p.121
- Operation mode p.121
- Note in the event indoor unit stops or the thermostat turns off while in oil return operation or defrosting operation pump down residual operation is performed on completion of the oil return operation or defrosting operation p.121
- Malfunction standby retry p.121
- Function 110 p.121
- Normal operation p.122
- List of functions in normal operation p.122
- Basic control p.122
- 1 pi control evaporator outlet superheated degree sh constant 2 pi control condenser outlet subcooled degree sc constant 1 and 2 refer 6 electronic expansion valve control on p 68 p.122
- Heating operation p.123
- Cooling operation p.123
- Compressor pi control carries out the compressor capacity pi control to maintain te at constant during cooling operation and tc at constant during heating operation to ensure stable unit performance p.123
- Compressor pi control p.123
- Operating priority and rotation of compressors for multi standard connection system p.124
- Function p.124
- Basic control si34 803_b p.124
- No 2 no 5 no 8 p.125
- No 1 no 4 no 7 p.125
- Inv std1 std2 p.125
- In the case of combination of 3 outdoor units the above diagram shows master unit slave unit 1 and slave unit 2 from left to right compressors may operate in any pattern other than those mentioned above according to the operating status p.125
- Function 114 p.125
- Si34 803_b basic control p.125
- Rxyq46p a 48p a 10hp 1fan 12hp 2fan p.125
- No 3 no 6 no 9 p.125
- Stand alone installation rxyq5pay1 p.126
- Rxyq8pay1 p.126
- Rxyq18pay1 p.126
- Rxyq14pay1 16pay1 p.126
- Rxyq10pay1 12pay1 p.126
- Operating priority and rotation of compressors p.126
- Notes 1 inv inverter compressor std1 standard compressor 1 std2 standard compressor 2 2 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.126
- Function p.126
- Compressor step control multi outdoor unit connection is available on the standard connection system compressor operations vary with the following steps according to information in 2 compressor pi control furthermore the operating priority of compressors is subject to information in p.126
- Basic control si34 803_b p.126
- Represents the range in which hz is not stepped up p.127
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.127
- Function 116 p.127
- Two unit multi system p.127
- Si34 803_b basic control p.127
- Rxyq22pay1 10 12hp p.127
- Rxyq20pay1 8 12hp p.127
- Rxyq26pay1 8 18hp p.128
- Rxyq24pay1 8 16hp p.128
- Represents the range in which hz is not stepped up p.128
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.128
- Function p.128
- Basic control si34 803_b p.128
- Si34 803_b basic control p.129
- Rxyq28pay1 30pay1 10 12 18hp p.129
- Rxyq 32pay1 16 16hp p.129
- Represents the range in which hz is not stepped up p.129
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.129
- Function 118 p.129
- Rxyq36pay1 18 18hp p.130
- Rxyq 34pay1 16 18hp p.130
- Represents the range in which hz is not stepped up p.130
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.130
- Function p.130
- Basic control si34 803_b p.130
- Three unit multi system p.131
- Si34 803_b basic control p.131
- Rxyq38pay1 8 12 18hp p.131
- Rxyq 40pay1 8 16 16hp p.131
- Represents the range in which hz is not stepped up p.131
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.131
- Function 120 p.131
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.132
- Function p.132
- Basic control si34 803_b p.132
- Rxyq44pay1 8 18 18hp p.132
- Rxyq 42pay1 8 16 18hp p.132
- Represents the range in which hz is not stepped up p.132
- Si34 803_b basic control p.133
- Rxyq50pay1 52pay1 14 16 18 18hp p.133
- Rxyq46pay1 48pay1 10 12 18 18hp p.133
- Represents the range in which hz is not stepped up p.133
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.133
- Function 122 p.133
- Rxyq54pay1 18 18 18hp p.134
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.134
- Function p.134
- Basic control si34 803_b p.134
- Rxyq10 12payl ptl p.135
- Notes 1 inv inverter compressor std1 standard compressor 1 std2 standard compressor 2 2 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.135
- Function 124 p.135
- Stand alone installation p.135
- Si34 803_b basic control p.135
- Rxyq8payl ptl p.135
- Rxyq5payl ptl p.135
- Rxyq18payl ptl p.135
- Rxyq14 16payl ptl p.135
- Two unit multi system represents the range in which hz is not stepped up rxyq20payl ptl 8 12hp p.136
- Rxyq22payl ptl 10 12hp p.136
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.136
- Function p.136
- Basic control si34 803_b p.136
- Rxyq26payl ptl 8 18hp p.137
- Rxyq24payl ptl 8 16hp p.137
- Represents the range in which hz is not stepped up p.137
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.137
- Function 126 p.137
- Si34 803_b basic control p.137
- Rxyq32payl ptl 16 16hp p.138
- Rxyq28 30payl ptl 10 12 18hp p.138
- Represents the range in which hz is not stepped up p.138
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.138
- Function p.138
- Basic control si34 803_b p.138
- Si34 803_b basic control p.139
- Rxyq36payl ptl 18 18hp p.139
- Rxyq34payl ptl 16 18hp p.139
- Represents the range in which hz is not stepped up p.139
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.139
- Function 128 p.139
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.140
- Function p.140
- Basic control si34 803_b p.140
- Rxyq40payl ptl 8 16 16hp p.140
- Rxyq38payl ptl 8 12 18hp p.140
- Represents the range in which hz is not stepped up p.140
- Si34 803_b basic control p.141
- Rxyq44payl ptl 8 18 18hp p.141
- Rxyq42payl ptl 8 16 18hp p.141
- Represents the range in which hz is not stepped up p.141
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.141
- Function 130 p.141
- Rxyq50 52payl ptl 14 16 18 18hp p.142
- Rxyq46 48payl ptl 10 12 18 18hp p.142
- Represents the range in which hz is not stepped up p.142
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.142
- Function p.142
- Basic control si34 803_b p.142
- Function 132 p.143
- Si34 803_b basic control p.143
- Rxyq54payl ptl 18 18 18hp p.143
- Notes 1 inv inverter compressor std standard compressor figures after on represent the number of std compressors in operation 2 master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 3 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned p.143
- Hz 60hz high cop type p.144
- Used to control the revolutions of outdoor unit fans in the steps listed in table below according to condition changes p.151
- The optimum initial value of the evaporator outlet superheated degree is 5 c but varies depending on the discharge pipe superheated degree of inverter compressor p.151
- Subcooling electronic expansion valve ev2 control makes pi control of the electronic expansion valve y2e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger p.151
- Step control of outdoor unit fans p.151
- Main electronic expansion valve ev1 control carries out the electronic expansion valve y1e pi control to maintain the evaporator outlet superheated degree sh at constant during heating operation to make maximum use of the outdoor unit heat exchanger evaporator p.151
- Figures listed above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity priority mode p.151
- Electronic expansion valve pi control p.151
- While in cooling operation if the outdoor temperature is low this mode provides high pressure control using the outdoor unit fan to retain appropriate liquid pressure thus ensuring refrigerant circulation rate to be supplied to indoor units p.152
- Outdoor unit fan control in cooling operation p.152
- Startup control in cooling operation p.153
- Startup control p.153
- Special control p.153
- This control is used to equalize the pressure in the front and back of the compressor prior to the startup of the compressor thus reducing startup loads furthermore the inverter is turned on to charge the capacitor in addition to avoid stresses to the compressor due to oil return or else after the startup the following control is made and the position of the four way valve is also determined to position the four way valve the master and slave units simultaneously start up p.153
- Startup control in heating operation p.153
- Start up std compressors at intervals of 15 seconds p.154
- Large capacity start up control heating p.154
- Start conditions referring to the set conditions for the following items start the oil return operation in cooling cumulative oil feed rate timer setting make this setting so as to start the oil return operation when the initial cumulative operating time reaches two hours after power supply is turned on and then every eight hours furthermore the cumulative oil feed rate is computed from tc te and compressor loads p.155
- Oil return operation in cooling operation p.155
- Oil return operation p.155
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the oil return operation non operating unit stops during oil return preparation operation actuators are based on rxyq14 18p a p.155
- In order to prevent the compressor from running out of oil the oil return operation is conducted to recover oil flown out from the compressor to the system side p.155
- Oil return operation in heating operation p.156
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the oil return operation non operating unit stops during oil return preparation operation actuators are based on rxyq1 p.156
- To defrost the outdoor unit heat exchanger while in evaporator the defrost operation is conducted to recover the heating capacity start conditions referring to the set conditions for the following items start the defrosting operation heat transfer coefficient of the outdoor unit heat exchanger heat exchange temperature tb timer set to two hours at minimum furthermore the heat transfer coefficient of the outdoor unit evaporator is computed from tc te and compressor loads p.157
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the defrost operation non operating unit stops during defrost preparation operation actuators are based on rxyq14 18p a p.157
- Defrosting operation p.157
- If the liquid refrigerant stays in the evaporator at the startup of a compressor this liquid refrigerant enters the compressor thus resulting in diluted oil in the compressor and then degraded lubrication performance consequently in order to recover the refrigerant in the evaporator while the compressor stops the pump down residual operation is conducted p.158
- Actuators are based on rxyq14 18p a p.158
- Pump down residual operation in heating operation p.158
- Pump down residual operation in cooling operation p.158
- Pump down residual operation p.158
- Used to forcedly stop the compressor for a period of 3 minutes in order to prevent the frequent on off of the compressor and equalize the pressure within the refrigerant system p.159
- Standby p.159
- Restart standby p.159
- In order to prevent the refrigerant from melting in the compressor oil in the stopped mode this mode is used to control the crankcase heater p.159
- Crankcase heater control p.159
- Actuators are based on rxyq14 18p a p.159
- When system is in stop mode normal operation stop p.160
- This mode is used to define actuator operations when the system stops p.160
- Stopping operation p.160
- Stop due to malfunction p.160
- In order to protect compressors if any of the following items has an abnormal value the system will make stop with thermostat off and the malfunction will be determined according to the number of retry times p.160
- Actuators are based on rxyq14 18p a p.160
- In heating operation the system operates with following mode p.161
- While the master unit is in operation this mode is used to set the refrigerant flow rate to a required level using a slave unit in the stopped mode in cooling operation same as that of normal operation stop p.161
- Stopping operation of slave units during master unit is in operation with multi outdoor unit system p.161
- This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure p.162
- Protection control p.162
- In heating operation p.162
- In cooling operation p.162
- In case of multi outdoor unit system the entire system performs this control in the following sequence p.162
- In case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence p.162
- High pressure protection control p.162
- Low pressure protection control p.163
- In the case of multi outdoor unit system the entire system performs this control in the following sequence p.163
- In the case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence p.163
- In heating operation p.163
- In cooling operation p.163
- Hot gas svp on p.163
- Hot gas svp off p.163
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure p.163
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature p.164
- Te and suction superheated degree p.164
- Std compressor p.164
- Protection control not limited p.164
- Inv compressor p.164
- Htds value of std compressor discharge pipe temperature tds compensated with outdoor air temperature tp value of compressor port temperature calculated by t p.164
- Discharge pipe temp p.164
- Discharge pipe protection control p.164
- Applicable std compressor stops p.164
- After 10 min p.164
- Inverter fin temperature control p.165
- Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction or transient inverter overcurrent and fin temperature increase p.165
- Inverter current 14 a y1 yl 26 a tl inv upper limit frequency max p.165
- In the case of multi outdoor unit system each inv compressor performs these controls in the following sequence p.165
- A y1 yl 26 a tl p.165
- Y1 yl 26 a tl p.165
- Normal operation p.165
- Inverter protection control p.165
- Inverter overcurrent protection control p.165
- This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of std compressor such as locking p.166
- Std compressor overload protection p.166
- Injection control only for rxyq5p a p.166
- For transitional rise in discharge pipe temperature have the liquid refrigerant flow into the suction side to reduce the discharge pipe temperature for the compressor protection p.166
- Timing of outdoor unit rotation p.167
- Outdoor unit rotation p.167
- Other control p.167
- In the case of multi outdoor unit system this outdoor unit rotation is used to prevent the compressor from burning out due to unbalanced oil level between outdoor units p.167
- Example the following diagram shows outdoor unit rotation in combination of 3 outdoor units in heating in cooling p.167
- Details of outdoor unit rotation in the case of multi outdoor unit system each outdoor unit is given an operating priority for the control outdoor unit rotation makes it possible to change the operating priority of outdoor units thus the system becomes free of compressors that stop over an extended period of time at the time of partial loading preventing unbalanced oil level p.167
- After oil return operation after defrosting operation at the beginning of the starting control when any of outdoor unit stops for a period of 20 minutes or more in heating there are outdoor units that stop operation in cooling low pressure of all outdoor units in operation is less than 0 5 mpa in cooling p.167
- Caution in order to disable the compressor operation due to a failure or else be sure to do so in emergency operation mode never attempt to disconnect power supply wires from magnetic contactors or else doing so will operate compressors in combination that disables oil equalization between the compressors thus resulting in malfunctions of other normal compressors p.168
- Restrictions for emergency operation p.168
- Emergency operation p.168
- In the case of multi outdoor unit system rxyq20p a to 54p a p.169
- In the case of 1 outdoor unit system rxyq8p a to 18p a p.169
- Hhhhlh p.169
- Hhhhhh p.169
- Hhhhhhh hhhhhh p.172
- Hhhhhhh hhh hhhhh hhh p.172
- Hhhhhh hhhh p.172
- Hh hhhhhhh hhhh p.172
- Heating operation prohibition p.172
- Demand operation p.172
- Normal operation the objective of residual operation is to completely drain any moisture adhering to the fin of the indoor unit heat exchanger when the thermostat goes off during cooling operation p.173
- Malfunction residual the remote controller will display a3 and the air conditioner will come to an abnormal stop in 5 minutes if the float switch is turned off while the cooling thermo is on p.173
- Drain pump control p.173
- 3 malfunction residual the remote controller will display a3 and the air conditioner will come to an abnormal stop if the float switch is turned off and not turned on again within 5 minutes while the cooling thermo is off p.173
- When the float switch is tripped while the cooling thermostat is on p.173
- When the float switch is tripped while the cooling thermostat is off p.173
- The drain pump is controlled by the on off buttons 4 button 1 4 given in the figure below p.173
- Outline of control indoor unit p.173
- When the float switch is tripped during heating operation p.174
- When the float switch is tripped and af is displayed on the remote controller p.174
- Outline of control indoor unit si34 803_b p.174
- Function p.174
- During heating operation if the float switch is not reset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset p.174
- 4 malfunction residual if the float switch is tripped five times in succession a drain malfunction is determined to have occurred af is then displayed as operation continues 5 malfunction residual the remote controller will display a3 and the air conditioner will come to an abnormal stop if the float switch is off for more than 5 minutes in the case of 4 p.174
- Louver control for preventing ceiling dirt p.175
- Thermostat sensor in remote controller p.176
- Outline of control indoor unit si34 803_b p.178
- Furthermore while in dry operation mode fans operate at l flow rate stops for a period of six minutes while the thermostat is off and then return to operation at l flow rate this control is used to prevent a rise in indoor humidity while in thermostat off mode p.178
- Function p.178
- Assuming that the suction air temperature at the time of starting the dry operation is tro and the suction air temperature in operation is tr p.178
- While in dry operation the thermostat control is conducted according to a suction temperature at the time of starting the dry operation p.178
- While in a single remote controller group control the body thermostat is only used for this control furthermore while in heating operation cassette mounted indoor units conduct the thermostat control by a value compensated by 2 c for the value detected with the body thermostat through field settings the thermostat differential setting can be changed from 1 c to 0 c for details on the changing procedure refer to information on page onward p.178
- Vrv multi systems are set at factory to thermostat control mode using the remote controller while in normal thermostat differential control mode i e factory setting mode the thermostat turns off when the system reaches a temperature of 1 c from the set temperature while in cooling operation or of 1 c from that while in heating operation p.178
- Thermostat control while in normal operation p.178
- Thermostat control in dry operation p.178
- Hot start control in heating operation only p.179
- Electronic expansion valve control p.179
- Heater control p.180
- Freeze prevention p.180
- Swing flaps operate as shown in table below p.181
- Residual operation time 100 seconds on ceiling suspended type or 60 seconds on other types p.181
- List of swing flap operations p.181
- Fan residual operation while the heater turns off in order to prevent the activation of the thermal protector the fan conducts residual operation for a given period of time after the heater turns off this operation is conducted regardless of with or without heater equipped p.181
- 2 the heater control on off is conducted by converting the heater temperature into the condensing pressure equivalent saturated temperature tc according to the temperature detection through the high pressure sensor s1nph of the outdoor unit p.181
- 1 l or ll only on fxfq models p.181
- 5 5 15 19 p.182
- Selection of operation mode by suction air thermostat p.182
- Objective to select cooling heating or fan operation mode according to the suction air outdoor air temperature p.182
- Details outdoor air processing unit p.182
- Control of outdoor air processing unit unique control for outdoor air processing unit p.182
- Temp setting p.183
- Sh t3 t2 p.183
- Refrigerant p.183
- Is ev possible to open p.183
- Is ev possible to close p.183
- Ev ev ev ev ev ev p.183
- Discharge air temperature control p.183
- Discharge air p.183
- Is ev possible to open p.184
- Is ev possible to close p.184
- Ev ev ev ev ev ev p.184
- Discharge air p.184
- Yes yes p.184
- Temp setting p.184
- Sc tc t2 p.184
- Refrigerant p.184
- Low outdoor air temperature protection control p.185
- Test operation 76 p.186
- Part 5 test operation p.186
- Outdoor unit pcb layout 91 3 field setting 92 p.186
- Test operation p.187
- Installation process p.187
- Below figure shows the installation process install in the order of the steps shown p.187
- Procedure and outline p.188
- Follow the following procedure to conduct the initial test operation after installation p.188
- Check work prior to turn power supply on p.188
- Before starting the normal operation after the completion of check operations make sure indoor and outdoor units normally operate p.189
- Be sure to turn the power on 6 hours before starting operation to protect compressors to power on crankcase heater p.189
- Turn power on p.189
- Turn outdoor unit and indoor unit power on p.189
- The master unit is the outdoor unit to which the transmission wiring for the indoor units is connected the other outdoor units are slave units p.189
- The check operations shown below will be automatically initiated check for erroneous wirings check for failure to open stop valves check for excessive refrigerant refilling automatic judgement of piping length p.189
- Test operation 178 p.189
- Si34 803_b test operation p.189
- Make field settings with outdoor unit pcb p.189
- Make field settings if needed for the setting procedure refer to information in 3 field setting from outdoor unit on p 10 onward for the outdoor multi system make field settings with the master unit field settings made with the slave unit will be all invalid p.189
- Conduct check operations p.189
- Check to be sure the transmission is normal the transmission is normal if the leds display conditions as shown in table below p.189
- Check the led display of the outdoor unit pcb p.189
- Check for normal operation p.189
- Preparations p.190
- Always use nitrogen gas for the air tight test p.190
- Air tight test and vacuum drying p.190
- Absolutely do not open the shutoff valve until the main power circuit insulation measurement has been completed measuring after the shutoff valve is opened will cause the insulation value to drop p.190
- The shutoff valve and valve a c in figure 28 should be open or closed as shown in the table below p.190
- The refrigerant charge port is connected to unit pipe when shipped the unit contains refrigerant so use caution when attaching the charge hose p.190
- The air tight test and vacuum drying should be done using the liquid side and gas side shutoff valve service ports see the r 410a label attached to the front plate of the outdoor unit for details on the location of the service port see figure at right p.190
- See shutoff valve operation procedure for details on handling the shutoff valve refer to p 81 p.190
- Referring to figure 1 connect an nitrogen tank refrigerant tank and a vacuum pump to the outdoor unit p.190
- Note total amount of refrigerant should be 100 kg or less p.191
- Before working p.191
- Air tight test and vacuum drying method p.191
- Additional refrigerant charge and check operation p.191
- When using a service port use the charge hose p.192
- When operating the shutoff valve follow the procedure instructed below p.192
- The shutoff valve is not a back seat type if forced it to open it might break the valve body p.192
- Shutoff valve operation procedure p.192
- Do not open the shutoff valve until 1 check work prior to turn power supply on in p 77 are completed if the shutoff valve is left open without turning on the power it may cause refrigerant to buildup in the compressor leading insulation degradation p.192
- Be sure to use the correct tools p.192
- After tightening the cap make sure no refrigerant gas is leaking p.192
- Note press the mode button bs1 if you get confused while operating this returns to setting mode 1 default p.193
- L h l h l l h p.193
- L h h k h h h p.193
- L h h h k h k p.193
- L h h h h h h p.193
- It is possible to find out how many indoor or outdoor unit in the system are turned on by operating the bs button on the pcb a1p of outdoor unit in case of multi system master unit follow the procedure below to check how many indoor or outdoor units are turned on p.193
- How to check how many units are connected p.193
- H h k h h h h p.193
- Procedure of adding refrigerant charging and check operation p.194
- Test operation 184 p.195
- Si34 803_b test operation p.195
- Perform the refrigerant charging operation following refrigerant charging operation procedure as shown in page 185 and charge the remaining refrigerant of the additional charging amount for performing the refrigerant charging operation the bs button on the pcb a1p of outdoor unit in case of multi system master unit are use see the figure 3 in addition the refrigerant are charged from the refrigerant charge port via the valve a see the figure 4 for operating the bs button and opening and closing the valve follow the work procedure p.195
- Open the valve c see the figure 2 the valve a b and the liquid and gas side shutout valve must be left closed and charge the refrigerant of the additional charging amount from the liquid side shutout valve service port if the additional charging amount was charged fully close the valve c and go to step 5 if the additional charging amount was not charged fully go to step 4 p.195
- Note the refrigerant will be charged about 22kg in one hour at outdoor temp 30 c db 6kg at 0 c db if you need to speed up in case of multi system connect the refrigerant cylinders to each outdoor unit as shown in the figure 4 p.195
- 2 if necessary set the field setting by using the dip switch on the outdoor unit pcb a1p for how to set see 1 onsite settings with the power off 3 close the el compo box lid and all front panel except on the side of the el compo box 1 and turn the power to the outdoor unit and all connected indoor units 2 after h2p stop blinking about 12 minutes after turning on the power check led displays as shown in the table display of normal system and the system is normal state if h2p is blinking check the malfunction code in the remote controller and correct the malfunction in accordance with remote controller displays malfunction code in p 87 1 lead the refrigerant charge hose etc from the pipe intake all front panels must be closed at the procedure 9 2 if you perform the refrigerant charging operation within the refrigerant system that have the power off unit the operation cannot finish properly for confirming the number of the outdoor and indoor units with the power on see how to check how ma p.196
- 1 open the liquid and gas side shutoff valves the valve a c must be closed the valve a c means the valves in the figure 4 display of normal system p.196
- Refrigerant charging operation procedure p.196
- Note for check operation the following work will be performed p.197
- Judgement of piping length p.197
- How to distinguish the master unit sub unit 1 and sub unit 2 in the multi system p.197
- Check operation procedure p.197
- Check of wrong wiring p.197
- Check of shutoff valve opening p.197
- Check of refrigerant overcharge it takes about 40 minutes to complete the check operation p.197
- 4 make the onsite settings as needed using the bs button bs1 bs5 on the outdoor unit pcb a1p with the power on see 1 onsite settings with the power on 5 perform the check operation following the check operation method of the service precautions label on the el compo box lid the system operation for about 40 minutes and automatically stops the check operation if the malfunction code is not displayed in the remote controller after the system stop check operation is completed normal operation will be possible after 5 minutes if the malfunction code is displayed in the remote controller correct the malfunction following remote controller displays malfunction code and perform the check operation again p.197
- 1 make the onsite setting as needed using the dip switches on the outdoor unit pcb a1p with the power off see 1 onsite settings with the power off 2 close the el compo box lid and all front panels except as the side of the el compo box and turn on the power to the outdoor unit and all connected indoor units be sure to turn the power on at least 6 hours before operation in order to have power running to the crank case heater 3 check the led display on the outdoor unit pcb a1p is as shown in the table below and transmission is normal p.197
- Remote controller displays malfunction code p.198
- If any malfunction codes other than the above are displayed check the service manual for how to respond p.198
- Onsite settings with the power on p.199
- Onsite settings with the power off p.199
- Onsite settings p.199
- Before test run p.200
- Test run p.200
- Checks after test run p.200
- When turning on power the second time and subsequent p.201
- When turning on power first time p.201
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pcb has been changed p.201
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status p.201
- Tap the reset button on the outdoor unit pcb operation becomes possible for about 2 minutes if you do not push the reset button the unit cannot be run for up to 10 minutes to automatically set master power status p.201
- Operation when power is turned on p.201
- Caution when the 400 volt power supply is applied to n phase by mistake replace inverter pcb a2p and control transformer t1r t2r in switch box together p.201
- Be sure to push and hold the reset button for 5 seconds if not the addition cannot be recognized in this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc status p.201
- Outdoor unit pcb layout p.202
- Outdoor unit pcb p.202
- 4 local setting switch used to make field settings p.202
- 3 mode setting switch used to change mode p.202
- 2 set mode display led leds display mode according to the setting p.202
- 1 micro computer normal monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs p.202
- Wired remote controller p.203
- Unit no p.203
- Second code no p.203
- Mode no p.203
- First code no p.203
- Field setting from remote controller p.203
- Field setting p.203
- Field set mode p.203
- Brc1e61 p.204
- Caution p.205
- Wireless remote controller p.206
- To change the field settings proceed as follows p.206
- Setting to set the field settings you have to change p.206
- Second code no p.206
- Mode no p.206
- First code no p.206
- Simplified remote controller p.207
- Test operation p.208
- Setting contents and code no p.208
- Notes 1 settings are made simultaneously for the entire group however if you select the mode no inside parentheses you can also set by each individual unit setting changes however cannot be checked except in the individual mode for those in parentheses 2 the mode numbers inside parentheses cannot be used by wireless remote controllers so they cannot be set individually setting changes also cannot be checked 3 marked are factory setting 4 do not make settings other than those described above nothing is displayed for functions the indoor unit is not equipped with 5 88 may be displayed to indicate the remote controller is resetting when returning to the normal mode 6 if the setting mode to equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 7 the fxmq50 63 80 100 125pve cannot be set to 30pa the fxmq40pve cannot be set to 180 or 200pa p.208
- Field setting si34 803_b p.208
- Test operation 198 p.209
- Si34 803_b field setting p.209
- Refer to 3 outdoor air processing unit field setting remote controller on p 05 p.209
- Applicable range of field setting p.209
- The factory setting for the second code no is 01 and room temperature is controlled by the indoor unit suction air thermistor and remote controller thermistor when the second code no is set to 02 room temperature is controlled by the suction air thermistor when the second code no is set to 03 room temperature is controlled by the remote controller thermistor p.210
- Detailed explanation of setting modes p.210
- 4 filter cleaning displayed or not displayed whether or not to display filter cleaning after operation of certain duration can be selected p.210
- 3 selection of thermistor select the thermistor to control room temperature p.210
- 2 ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed p.210
- 1 filter sign setting if switching the filter sign on time set as given in the table below set time p.210
- 5 airflow adjustment auto external static pressure settings make settings in either method a or method b as explained below a use the airflow auto adjustment function to make settings airflow auto adjustment the volume of blow off air is automatically adjusted to the rated quantity b select external static pressure with remote controller check that 01 off is set for the second code no in mode no 21 for airflow adjustment on an indoor unit basis in table 4 the second code no is set to 01 off at factory setting change the second code no as shown in table according to the external static pressure of the duct to be connected p.211
- 7 external on off input this input is used for on off operation and protection device input from the outside the input is performed from the t1 t2 terminal of the operation terminal block x1a in the electric component box p.211
- 6 optional output switching using this setting operation output signal and abnormal output signal can be provided output signal is output between terminals k1 and k2 of customized wiring adapter an optional accessory p.211
- When thermostat off airflow volume up mode is used careful consideration is required before deciding installation location during heating operation this setting takes priority over 7 fan stop when thermostat is off p.212
- The automatic operation mode setting is made by the use of the operation mode selector button p.212
- For the above reasons when the unit is set enabling to utilize auto restart function after power failure reset utmost care should be paid for the occurrence of the following situation p.212
- Caution 1 the air conditioner starts operation suddenly after power failure reset or the main power supply turned on again consequently the user might be surprised with question for the reason why 2 in the service work for example turning off the main power switch during the unit is in operation and turning on the switch again after the work is completed start the unit operation the fan rotates p.212
- 9 airflow setting when heating thermostat is off this setting is used to set airflow when heating thermostat is off p.212
- 8 thermostat switching differential value during thermostat on off control can be changed for details refer to 6 thermostat control while in normal operation on p 67 p.212
- 12 airflow when cooling thermostat is off this is used to set airflow to ll airflow when cooling thermostat is off p.212
- 11 auto restart after power failure reset for the air conditioners with no setting for the function the units will be left in the stop condition when the power supply is reset automatically after power failure reset or the main power supply is turned on again after once turned off however for the air conditioners with the setting same as factory setting the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition as that of before power failure p.212
- 10 setting of operation mode to auto this setting makes it possible to change differential values for mode selection while in automatic operation mode p.212
- In the case of fxfq100 125 all round outlet p.213
- In the case of fxfq100 125 p.213
- In the case of fxaq p.213
- 13 setting of normal airflow make the following setting according to the ceiling height the setting position no is set to 01 at the factory p.213
- 1 mode no setting is done in a batch for the group to make or confirm settings for an individual unit set the internal mode number in parentheses 2 the figure of the ceiling height is for the all round outlet for the settings for four direction part of corner closed off three direction and two direction outlets see the installation manual and technical guide supplied with the separately sold closure material kit p.213
- Way 3 way 2 way outlets p.213
- In the case of fxhq p.213
- In the case of fxfq25 80 all round outlet p.213
- In the case of fxfq25 80 p.213
- Some indoor unit models are not equipped with draft prevention upward function p.214
- In the case of fxuq71 125 p.214
- In the case of fxdq20 32pb fxdq40 63nb p.214
- 17 setting of the static pressure selection p.214
- 16 setting of airflow direction adjustment range make the following airflow direction setting according to the respective purpose p.214
- 15 operation of downward flow flap yes no only the model fxkq has the function when only the front flow is used sets yes no of the swing flap operation of down flow p.214
- 14 airflow direction setting set the airflow direction of indoor units as given in the table below set when optional air outlet blocking pad has been installed the second code no is factory setting to 01 p.214
- The second code no is set to 07 an external static pressure of 100 pa at factory set 1 the fxmq50 63 80 100 125 140pve cannot be set to 30 pa 2 the fxmq20 25 32 40pve cannot be set to 180 or 200 pa p.215
- 20 individual setting of ventilation this is set to perform individual operation of heat reclaim ventilation using the remote controller central unit when heat reclaim ventilation is built in switch only when heat reclaim ventilation is built in p.215
- 19 setting of direct duct connection this is used when fresh air intake kit equipped with fan is connected the indoor fan carries out residual operation for one minute after the thermostat is stopped for the purpose of preventing dust on the air filter from falling off p.215
- 18 external static pressure settings for fxmq p model p.215
- Note bold face in indicates the factory setting p.216
- Outdoor air processing unit field setting remote controller p.216
- Centralized control group no setting p.217
- Notice enter the group no and installation place of the indoor unit into the attached installation table be sure to keep the installation table with the operation manual for maintenance p.218
- For setting group no of hrv and wiring adaptor for other air conditioners etc refer to the instruction manual attached p.218
- Brc1e61 in order to conduct the centralized remote control using the centralized remote controller and the unified on off controller group no settings should be made by group using the operating remote controller make group no settings for centralized remote control using the operating remote controller p.218
- Test operation 208 p.219
- Si34 803_b field setting p.219
- Group no setting example p.219
- Group no setting by wireless remote controller for centralized control 1 when in the normal mode push button for 4 seconds or more and operation then enters the field set mode 2 set mode no 00 with button 3 set the group no for each group with button advance backward 4 enter the selected group numbers by pushing button 5 push button and return to the normal mode p.219
- Caution when turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for about 1 minute on the liquid crystal display this is not an operative fault p.219
- Brc7c type brc7e type brc4c type p.219
- Setting of operation control mode from remote controller local setting p.220
- Contents of control modes p.220
- How to select operation mode whether operation by remote controller will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below p.221
- Factory setting p.221
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case p.221
- List of field setting items this following section indicates the list of field setting items for the lists of dip switch contents setting mode 1 and setting mode 2 refer to information in tables shown on the following page onward for setting items of 1 refer to detailed information provided on p 23 onward p.222
- Field setting from outdoor unit p.222
- For setting items of 1 refer to detailed information provided on p 23 onward p.223
- Setting by dip switches using dip switches on the pcb enables field setting shown below however make no changes of factory settings except for ds1 1 p.224
- Refer ds1 1 4 ds2 1 4 setting detail on next page p.224
- Make the following settings according to models of outdoor units all models are set to off at factory p.224
- Initial conditions of dip switches p.224
- If the ds1 1 1 4 ds2 2 2 4 setting has not been carried out error code ua are displayed and unit can not be operated p.224
- Dip switch setting after changing the main pcb a1p to spare pcb after the replacement by the spare pcb be sure to make settings shown below when you change the main pcb a1p to spare pcb please carry out the following setting p.224
- Dip switch detail p.224
- Caution p.224
- Detail of ds1 1 4 ds2 1 4 setting for overseas general p.225
- Si34 803_b field setting p.227
- Procedure for changing cool heat selection setting p.227
- H h k h h h h p.227
- A setting mode 1 p.227
- This mode is used to set and check the following items 1 set items in order to make cool heat selection in a batch of outdoor unit group change the setting cool heat selection ind used to select cool or heat by individual outdoor unit factory setting cool heat selection master used to select cool or heat by outdoor unit group with the master unit cool heat selection slave used to select cool or heat by outdoor unit group with the slave unit 2 check items the following items can be checked 1 current operating conditions normal abnormal in check operation 2 setting conditions of cool heat selection individual batch master batch slave 3 low noise operating conditions in normal operation in low noise operation 4 demand operating conditions in normal operation in demand operation p.227
- Test operation 216 p.227
- B setting mode 2 p.228
- C monitor mode p.232
- Set the master unit indoor unit having the right to select the cooling heating operation mode p.234
- Set outdoor unit pcb ds1 1 to in factory setting p.234
- Set cool heat switching to ind individual for setting mode 1 factory setting p.234
- Set cool heat separately for each outdoor unit system by indoor unit remote controller p.234
- Set cool heat separately for each outdoor unit system by cool heat selector p.234
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller p.234
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller p.234
- It does not matter whether or not there is outdoor outdoor unit wiring p.234
- In the case of wireless remote controllers p.234
- In the case of wired remote controllers p.234
- For the details refer to the installation manual supplied together with the indoor unit p.234
- Cool heat mode switching p.234
- There are the following 4 cool heat switching modes p.234
- Multi outdoor units connection p.236
- Multi outdoor units connection p.237
- Supplementation on and when switching cool heat for each adaptor pcb with the use of more than one adaptor pcb set the address of the external control adaptor for outdoor unit pcb ds1 and ds2 so that it matches the unified cool heat address of outdoor unit main pcb p.238
- Set lower 5 digits with binary number no to no 1 p.238
- Kh kkkkk p.238
- Kh hhkhh p.238
- Kh hhhkk p.238
- Kh hhhkh p.238
- Kh hhhhk p.238
- Kh hhhhh p.238
- Address setting for p.238
- Setting of low noise operation and demand operation p.239
- Image of operation in the case of b p.240
- Image of operation in the case of a and b p.240
- Image of operation in the case of a p.240
- Startup control oil return operation defrosting operation pump down residual operation p.241
- Setting of demand operation by connecting the external contact input to the demand input of the outdoor unit external control adaptor optional the power consumption of unit operation can be saved suppressing the compressor operating condition p.241
- If carrying out demand or low noise input connect the adaptor s terminals as shown below p.241
- However the demand operation does not occur in the following operation modes p.241
- B when the normal demand operation is carried out use of the external control adaptor for outdoor unit is not required 1 while in setting mode 2 make setting of the set item no 32 setting of alternate demand to on 2 while in setting mode 2 select the set item no 30 setting of demand 1 level and then set the setting condition to targeted mode p.241
- A when the demand operation is carried out by external contact with the use of the external control adaptor for outdoor unit 1 connect external control adaptor for outdoor unit and short circuit terminals as required refer above figure 2 while in setting mode 2 set the setting condition for set item no 12 setting of external low noise demand operation to yes 3 if necessary while in setting mode 2 select the set item no 30 setting of demand 1 level and then set the setting condition to targeted mode p.241
- Test operation p.242
- Image of operation in the case of b p.242
- Image of operation in the case of a and b p.242
- Image of operation in the case of a p.242
- Field setting si34 803_b p.242
- Setting of refrigerant recovery mode p.245
- H l h h h k h p.246
- H l h h h h k p.246
- With setting mode 2 while the unit stops set refrigerant recovery vacuuming mode to on the expansion valves of indoor and outdoor units fully open and some of solenoid valves open h2p blinks to indicate the test operation and the remote controller displays test operation and under centralized control thus prohibiting operation after setting do not cancel setting mode 2 until completion of vacuuming operation p.246
- H h k h h h h p.246
- Use the vacuum pump to perform vacuuming operation p.246
- Check operation detail p.246
- Setting of vacuuming mode p.246
- Press mode button bs1 once and reset setting mode 2 p.246
- Operating procedure p.246
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves p.246
- H l h k h k h p.246
- H l h k h h k p.246
- H l h k h h h p.246
- H l h h k k k p.246
- H l h h k k h p.246
- H l h h k h k p.246
- H l h h k h h p.246
- H l h h h k k p.246
- Symptom based troubleshooting 39 2 troubleshooting by remote controller 42 p.247
- Part 6 troubleshooting p.247
- Troubleshooting by indication on the remote controller 57 p.247
- Troubleshooting op centralized remote controller 42 p.248
- Troubleshooting op unified on off controller 50 p.249
- Symptom based troubleshooting p.250
- Wired remote controller brc1d61 p.253
- Troubleshooting by remote controller p.253
- Procedure of self diagnosis by remote controller p.253
- Wired remote controller brc1e61 p.254
- The following will be displayed on the screen when a malfunction or a warning occurs during operation check the malfunction code and take the corrective action specified for the particular model p.254
- Take the corrective action specific to the model p.254
- Press the menu enter button to check the error code p.254
- 2 taking corrective action p.254
- 1 checking a malfunction or warning p.254
- Wireless remote controller p.255
- If unit stops due to a error the operation indicating led on the signal receiving part of indoor unit flashes the error code can be determined by following the procedure described below the error code is displayed when an operation error has occurred in normal condition the error code of the last problem is displayed p.255
- Brc1d61 p.257
- Troubleshooting 246 p.257
- Si34 803_b troubleshooting by remote controller p.257
- Note inspection mode is not available for brc1e61 p.257
- Inspection mode p.257
- Unit no p.258
- Service mode p.258
- Second code no p.258
- Mode no p.258
- Field setting mode first code no p.258
- Enter the field setting mode press the inspection test operation button for 4 seconds or more 2 enter the service mode after having entered the field setting mode press the inspection test operation button for 4 seconds or more 3 select the mode no set the desired mode no with the up down temperature setting button 4 select the unit no select the indoor unit no set with the time mode start stop button 5 select the desired error history no or sensor data no with or button 6 each data displays refer to the table below display 7 return to the normal operation mode press the inspection test operation button once p.258
- Display service data p.258
- Brc1d61 p.258
- Service setting p.259
- Select the changed unit no with or button then press timer on off button to decide 6 return to the normal operation mode press the inspection test operation button 1 time p.259
- Enter the field setting mode press the inspection test operation button for 4 seconds or more 2 enter the maintenance mode after having entered the field setting mode press the inspection test operation button for a minimum of 4 seconds 3 select the mode no set the desired mode no with the up down temperature setting button 4 select the unit no select the indoor unit no set with the time mode start stop button 5 carry out the necessary settings for each mode mode 43 only possible for wireless remote controller in case of mode 43 press timer on off button to decide the forced fan on in case of mode 44 set fan speed with fan speed control button and air flow direction with air flow direction adjusting button then press timer on off button to decide p.259
- Basic screen is displayed p.260
- Service menu is displayed p.260
- Select the desired unit no using the up down buttons the corresponding data will be displayed p.260
- Select the desired item from the service menu and then press menu enter button p.260
- Press cancel button once p.260
- Press cancel button p.260
- Press and hold cancel button for 4 seconds or more p.260
- Operating the remote controller allows service data to be acquired and various services to be set p.260
- Item 2 is displayed p.260
- Field setting menu is displayed p.260
- Brc1e61 p.260
- Malfunction codes and description p.262
- The system operates for malfunction codes indicated in black squares however be sure to check and repair p.263
- Push the return bs3 button and switches to the initial status of monitor mode p.264
- Push the mode bs1 button and returns to setting mode 1 p.264
- Malfunction code indication by outdoor unit pcb p.264
- Detail description on next page p.264
- Troubleshooting by remote controller si34 803_b p.264
- Troubleshooting p.264
- To enter the monitor mode push the mode bs1 button when in setting mode 1 p.264
- Refer to p 20 for monitor mode p.264
- Push the set bs2 button once to display second digit of malfunction code p.264
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location p.264
- Push the set bs2 button once to display malfunction location p.264
- Push the set bs2 button and set the led display to a setting item p.264
- Push the return bs3 button once to display first digit of malfunction code p.264
- Troubleshooting 254 p.265
- Si34 803_b troubleshooting by remote controller p.265
- Push the set bs2 button and set the led display to a setting item p.266
- Push the return bs3 button once to display first digit of malfunction code p.266
- Push the return bs3 button and switches to the initial status of monitor mode p.266
- Push the mode bs1 button and returns to setting mode 1 p.266
- Detail description on next page p.266
- Troubleshooting by remote controller si34 803_b p.266
- Troubleshooting p.266
- To enter the monitor mode push the mode bs1 button when in setting mode 1 p.266
- Refer to p 20 for monitor mode p.266
- Push the set bs2 button once to display second digit of malfunction code p.266
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location p.266
- Push the set bs2 button once to display malfunction location p.266
- Troubleshooting 256 p.267
- Si34 803_b troubleshooting by remote controller p.267
- Troubleshooting by indication on the remote controller p.268
- Indoor unit error of external protection device p.268
- Indoor unit pcb defect p.269
- Indoor unit malfunction of drain level control system s1l p.270
- Troubleshooting p.271
- Si34 803_b troubleshooting by indication on the remote controller p.271
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.271
- Troubleshooting 260 p.271
- When number of turns can not be detected even when output voltage to the fan is maximum p.272
- Troubleshooting p.272
- Supposed causes p.272
- Remote controller display p.272
- Method of malfunction detection p.272
- Malfunction decision conditions p.272
- Indoor unit fan motor m1f lock overload p.272
- Fan motor lock p.272
- Disconnected or faulty wiring between fan motor and pcb p.272
- Detection by failure of signal for detecting number of turns to come from the fan motor p.272
- Applicable models all indoor units except fxmq p p.272
- Troubleshooting by indication on the remote controller si34 803_b p.274
- Troubleshooting p.274
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.274
- Si34 803_b troubleshooting by indication on the remote controller p.275
- Troubleshooting 264 p.275
- Indoor unit malfunction of swing flap motor m1s p.276
- Troubleshooting 266 p.277
- Troubleshooting p.277
- Si34 803_b troubleshooting by indication on the remote controller p.277
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.277
- Abnormal power supply voltage p.278
- Supposed causes p.279
- Remote controller display p.279
- Method of malfunction detection p.279
- Malfunction of electronic expansion valve coil p.279
- Malfunction decision conditions p.279
- Indoor unit malfunction of electronic expansion valve coil y1e p.279
- Defect of indoor unit pcb p.279
- Defect of connecting cable p.279
- Applicable models all indoor unit models p.279
- When the pin input of the electronic expansion valve is not normal while in the initialization of the micro computer p.279
- Use a micro computer to check the electronic expansion valve for coil conditions p.279
- Troubleshooting p.279
- Normal p.280
- Method for the electronic expansion valve coil disconnect the electronic expansion valve from the pcb and check the continuity between the connector pins p.280
- Continuity no continuity p.280
- Indoor unit drain level above limit p.281
- Indoor unit malfunction of capacity determination device p.282
- Indoor unit failure of transmission between indoor unit pcb and fan pcb p.283
- Troubleshooting by indication on the remote controller si34 803_b p.284
- Troubleshooting p.284
- Pull out and insert the connecter once and check it is absolutely connected p.284
- Method to check transmission part of indoor unit pcb turn off the power and remove the connecter x70a of indoor unit pcb a1p short circuit x70a after turning on the power check below numbers under local setting remote control confirmation setting position no at the condition of setting switch no 21 on mode no 41 p.284
- Determination 01 normal other than 01 transmission defect on indoor unit pcb p.284
- After confirmation turn off the power take off the short circuit and connect x70a back to original condition p.284
- Applicable models all indoor unit models p.285
- When the liquid pipe thermistor becomes disconnected or shorted while the unit is running p.285
- Troubleshooting p.285
- Supposed causes p.285
- Remote controller display p.285
- Refer to thermistor resistance temperature characteristics table on p 26 p.285
- Method of malfunction detection p.285
- Malfunction detection is carried out by temperature detected by liquid pipe thermistor p.285
- Malfunction decision conditions p.285
- Indoor unit malfunction of thermistor r2t for liquid pipe p.285
- Defect of thermistor r2t for liquid pipe p.285
- Defect of indoor unit pcb p.285
- Malfunction decision conditions p.286
- Indoor unit malfunction of thermistor r3t for gas pipe p.286
- Defect of indoor unit thermistor r3t for gas pipe p.286
- Defect of indoor unit pcb p.286
- Applicable models all indoor unit models p.286
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running p.286
- Troubleshooting p.286
- Supposed causes p.286
- Remote controller display p.286
- Refer to thermistor resistance temperature characteristics table on p 26 p.286
- Method of malfunction detection p.286
- Malfunction detection is carried out by temperature detected by gas pipe thermistor p.286
- Indoor unit failure of combination between indoor unit pcb and fan pcb p.287
- Refer to thermistor resistance temperature characteristics table on p 26 p.288
- Method of malfunction detection p.288
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor p.288
- Malfunction decision conditions p.288
- Indoor unit malfunction of thermistor r1t for suction air p.288
- Defect of indoor unit thermistor r1t for air inlet p.288
- Defect of indoor unit pcb p.288
- Applicable models all indoor unit models p.288
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running p.288
- Troubleshooting p.288
- Supposed causes p.288
- Remote controller display p.288
- When the moisture sensor is disconnected or short circuited p.289
- Troubleshooting p.289
- Supposed causes p.289
- Remote controller display p.289
- Method of malfunction detection p.289
- Malfunction decision conditions p.289
- Indoor unit malfunction of humidity sensor system p.289
- Faulty sensor p.289
- Even if a malfunction occurs operation still continues malfunction is detected according to the moisture output voltage detected by the moisture sensor p.289
- Disconnection p.289
- Applicable models fxfq p.289
- Indoor unit malfunction of thermostat sensor in remote controller p.290
- Outdoor unit pcb defect p.291
- Outdoor unit actuation of high pressure switch p.292
- Troubleshooting 282 p.293
- Troubleshooting p.293
- Si34 803_b troubleshooting by indication on the remote controller p.293
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.293
- 1 make a comparison between the voltage of the pressure sensor and that read by the pressure gauge as to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on p 26 2 make a comparison between the high pressure value checked with the service checker and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor p.293
- Outdoor unit actuation of low pressure sensor p.294
- Troubleshooting 284 p.295
- Troubleshooting p.295
- Si34 803_b troubleshooting by indication on the remote controller p.295
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.295
- 1 make a comparison between the voltage of the pressure sensor and that read by the pressure gauge as to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on p 26 2 make a comparison between the low pressure value checked with the service checker and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor p.295
- Outdoor unit inverter compressor motor lock p.296
- Si34 803_b troubleshooting by indication on the remote controller p.297
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.297
- Troubleshooting 286 p.297
- Troubleshooting p.297
- Remote controller display p.298
- Outdoor unit std compressor motor overcurrent lock p.298
- Obstacles at the air outlet p.298
- Method of malfunction detection p.298
- Malfunction is decided when the detected current value exceeds the below mentioned value for 2 seconds p.298
- Malfunction decision conditions p.298
- Improper power voltage p.298
- Faulty magnetic switch p.298
- Faulty current sensor a6p a7p p.298
- Faulty compressor p.298
- V class unit 28 a p.298
- Detects the overcurrent with current sensor ct p.298
- V class unit 15 a p.298
- Closed stop value p.298
- Troubleshooting p.298
- Applicable models rxyq5p a 54p a p.298
- The current sensor value is more than 15 a during std compressor stop p.298
- Abnormal case p.298
- The current sensor value is 0 during std compressor operation p.298
- Supposed causes p.298
- Outdoor unit malfunction of outdoor unit fan motor p.299
- Troubleshooting by indication on the remote controller si34 803_b p.300
- Troubleshooting p.300
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.300
- Troubleshooting 290 p.301
- Troubleshooting p.301
- Si34 803_b troubleshooting by indication on the remote controller p.301
- Note refer to check 1 and 2 on p 56 p.301
- Outdoor unit malfunction of electronic expansion valve coil y1e y2e p.302
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.303
- Troubleshooting 292 p.303
- Troubleshooting p.303
- Si34 803_b troubleshooting by indication on the remote controller p.303
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly p.304
- Troubleshooting p.304
- Supposed causes p.304
- Remote controller display p.304
- Refer to thermistor resistance temperature characteristics table on p 27 p.304
- Outdoor unit abnormal discharge pipe temperature p.304
- Method of malfunction detection p.304
- Malfunction decision conditions p.304
- Faulty outdoor unit pcb p.304
- Faulty discharge pipe temperature sensor p.304
- Faulty connection of discharge pipe temperature sensor p.304
- Applicable models rxyq5p a 54p a p.304
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor p.304
- Outdoor unit refrigerant overcharged p.305
- Troubleshooting p.306
- Supposed causes p.306
- Remote controller display p.306
- Outdoor unit abnormal outdoor fan motor signal p.306
- Method of malfunction detection p.306
- Malfunction decision conditions p.306
- In case of detection of abnormal signal at starting fan motor p.306
- Fan inverter pcb malfunction p.306
- Disconnect connector x2a and measure the following resistance p.306
- Detection of abnormal signal from fan motor p.306
- Broken short circuited or disconnection connector of fan motor connection cable p.306
- Applicable models rxyq5p a 54p a p.306
- Abnormal fan motor signal circuit malfunction p.306
- Defect of outdoor unit pcb a1p p.307
- Applicable models rxyq5p a 54p a p.307
- When the outside air temperature thermistor has short circuit or open circuit p.307
- Troubleshooting p.307
- Supposed causes p.307
- Remote controller display p.307
- Refer to thermistor resistance temperature characteristics table on p 26 p.307
- Outdoor unit malfunction of thermistor r1t for outdoor air p.307
- Method of malfunction detection p.307
- Malfunction is detected from the temperature detected by the outdoor air thermistor p.307
- Malfunction decision conditions p.307
- Defect of thermistor r1t for outdoor air p.307
- Method of malfunction detection p.308
- Malfunction is detected according to the current value detected by current sensor p.308
- Malfunction decision conditions p.308
- Faulty outdoor unit pcb p.308
- Faulty current sensor a6p a7p p.308
- Applicable models rxyq5p a 54p a p.308
- When the current value detected by current sensor becomes 5a or lower or 40a or more during standard compressor operation p.308
- Troubleshooting p.308
- Supposed causes p.308
- Remote controller display p.308
- Outdoor unit current sensor malfunction p.308
- Remote controller display p.309
- Refer to thermistor resistance temperature characteristics table on p 27 p.309
- Outdoor unit malfunction of discharge pipe thermistor r3t r31t r33t p.309
- Note 5 hp class r3t 8 12 hp class r31t r32t 14 16hp class r31t r32t and r33t p.309
- Method of malfunction detection p.309
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor p.309
- Malfunction decision conditions p.309
- Defect of thermistor r31t r32t or r33t for outdoor unit discharge pipe p.309
- Defect of thermistor connection p.309
- Defect of outdoor unit pcb a1p p.309
- Applicable models rxyq5p a 54p a p.309
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected p.309
- Troubleshooting p.309
- The alarm indicator is displayed when the fan is being used also p.309
- Supposed causes p.309
- Outdoor unit malfunction of thermistor r2t r7t for suction pipe p.310
- Supposed causes p.311
- Remote controller display p.311
- Refer to thermistor resistance temperature characteristics table on p 26 p.311
- Outdoor unit malfunction of thermistor r4t for outdoor unit heat exchanger p.311
- Method of malfunction detection p.311
- Malfunction is detected from the temperature detected by the heat exchanger thermistor p.311
- Malfunction decision conditions p.311
- Defect of thermistor r4t for outdoor unit coil p.311
- Defect of thermistor connection p.311
- Defect of outdoor unit pcb a1p p.311
- Applicable models rxyq5p a 54p a p.311
- When a short circuit or an open circuit in the heat exchanger thermistor is detected p.311
- Troubleshooting p.311
- When the liquid pipe thermistor is short circuited or open circuited p.312
- Troubleshooting p.312
- Supposed causes p.312
- Remote controller display p.312
- Refer to thermistor resistance temperature characteristics table on p 26 p.312
- Outdoor unit malfunction of liquid pipe thermistor r6t p.312
- Method of malfunction detection p.312
- Malfunction is detected according to the temperature detected by liquid pipe thermistor p.312
- Malfunction decision conditions p.312
- Faulty outdoor unit pcb p.312
- Faulty liquid pipe thermistor r6t p.312
- Defect of thermistor connection p.312
- Applicable models rxyq5p a 54p a p.312
- Applicable models rxyq5p a 54p a p.313
- When the subcooling heat exchanger gas pipe thermistor is short circuited or open circuited p.313
- Troubleshooting p.313
- Supposed causes p.313
- Remote controller display p.313
- Refer to thermistor resistance temperature characteristics table on p 26 p.313
- Outdoor unit malfunction of subcooling heat exchanger gas pipe thermistor r5t p.313
- Method of malfunction detection p.313
- Malfunction is detected according to the temperature detected by subcooling heat exchanger gas pipe thermistor p.313
- Malfunction decision conditions p.313
- Faulty subcooling heat exchanger gas pipe thermistor r5t p.313
- Faulty outdoor unit pcb p.313
- Malfunction decision conditions p.314
- Defect of outdoor unit pcb p.314
- Defect of high pressure sensor system p.314
- Connection of low pressure sensor with wrong connection p.314
- Applicable models rxyq5p a 54p a p.314
- When the high pressure sensor is short circuit or open circuit p.314
- Voltage measurement point p.314
- Troubleshooting p.314
- Supposed causes p.314
- Remote controller display p.314
- Refer to pressure sensor pressure voltage characteristics table on p 28 p.314
- Outdoor unit malfunction of high pressure sensor p.314
- Method of malfunction detection p.314
- Malfunction is detected from the pressure detected by the high pressure sensor p.314
- Outdoor unit malfunction of low pressure sensor p.315
- Malfunction decision conditions p.316
- Fin temperature is detected by the thermistor of the radiation fin p.316
- Defect of inverter pcb p.316
- Defect of fin thermistor p.316
- Applicable models rxyq5p a 54p a p.316
- Actuation of fin thermal actuates above 93 c p.316
- When the temperature of the inverter radiation fin increases above 93 c p.316
- Troubleshooting p.316
- Supposed causes p.316
- Remote controller display p.316
- Outdoor unit malfunction of inverter radiating fin temperature rise p.316
- Method of malfunction detection p.316
- Refer to thermistor resistance temperature characteristics table on p 26 p.317
- Inverter pcb for compressor p.317
- Outdoor unit inverter compressor abnormal p.318
- Troubleshooting 308 p.319
- Troubleshooting p.319
- Si34 803_b troubleshooting by indication on the remote controller p.319
- Defect of inverter pcb p.320
- Compressor overload p.320
- Compressor coil disconnected p.320
- Applicable models rxyq5p a 54p a p.320
- When overload in the compressor is detected inverter secondary current 16 a y1 yl and 27 a tl p.320
- Troubleshooting output current check p.320
- Supposed causes p.320
- Remote controller display p.320
- Outdoor unit inverter current abnormal p.320
- Method of malfunction detection p.320
- Malfunction is detected by current flowing in the power transistor p.320
- Malfunction decision conditions p.320
- Faulty compressor p.320
- Troubleshooting 310 p.321
- Troubleshooting p.321
- Si34 803_b troubleshooting by indication on the remote controller p.321
- Failure to open the stop valve p.322
- Defect of inverter pcb p.322
- Defect of compressor p.322
- Applicable models rxyq5p a 54p a p.322
- When the startup control is failed when an overcurrent is passed to the inverter due to the malfunction of a compressor or electrical system p.322
- Troubleshooting p.322
- This malfunction code will be output if overcurrent occurs at the time of startup p.322
- Supposed causes p.322
- Remote controller display p.322
- Pressure differential start p.322
- Outdoor unit inverter start up error p.322
- Method of malfunction detection p.322
- Malfunction decision conditions p.322
- Faulty compressor connection p.322
- Troubleshooting 312 p.323
- Troubleshooting p.323
- Si34 803_b troubleshooting by indication on the remote controller p.323
- Outdoor unit malfunction of transmission between inverter and control pcb p.324
- Si34 803_b troubleshooting by indication on the remote controller p.325
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.325
- Troubleshooting 314 p.325
- Troubleshooting p.325
- Troubleshooting by indication on the remote controller si34 803_b p.326
- Troubleshooting p.326
- Remote controller display p.327
- Outdoor unit inverter over ripple protection p.327
- Open phase p.327
- Method of malfunction detection p.327
- Malfunction is not decided while the unit operation is continued p1 will be displayed by pressing the inspection button when the amplitude of the ripple exceeding a certain value is detected for consecutive 4 minutes p.327
- Malfunction decision conditions p.327
- Improper main circuit wiring p.327
- Imbalance in supply voltage is detected in pcb imbalance in the power supply voltage causes increased ripple of voltage of the main circuit capacitor in the inverter consequently the increased ripple is detected p.327
- Defect of main circuit capacitor p.327
- Defect of k2 relay in inverter pcb p.327
- Defect of inverter pcb p.327
- Applicable models rxyq5p a 54p a p.327
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status p.327
- Voltage imbalance between phases p.327
- Troubleshooting p.327
- Supposed causes p.327
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status p.328
- Troubleshooting p.328
- Supposed causes p.328
- Resistance of radiation fin thermistor is detected when the compressor is not operating p.328
- Remote controller display p.328
- Outdoor unit malfunction of inverter radiating fin temperature rise sensor p.328
- Method of malfunction detection p.328
- Malfunction is not decided while the unit operation is continued p4 will be displayed by pressing the inspection button p.328
- Malfunction decision conditions p.328
- Defect of radiator fin temperature sensor p.328
- Defect of inverter pcb p.328
- Applicable models rxyq5p a 54p a p.328
- Refer to thermistor resistance temperature characteristics table on p 26 p.329
- Inverter pcb for compressor p.329
- Whether or not the field setting or the type of the pcb is correct through the communication date is judged p.330
- Troubleshooting p.330
- The faulty or no field setting after replacing pcb or faulty pcb combination is detected through communications with the inverter p.330
- Supposed causes p.330
- Remote controller display p.330
- Outdoor unit faulty field setting after replacing main pcb or faulty combination of pcb p.330
- Mismatching of type of pcb p.330
- Method of malfunction detection p.330
- Malfunction decision conditions p.330
- Faulty or no field setting after replacing main pcb p.330
- Applicable models rxyq5p a 54p a p.330
- Defect of outdoor unit pcb a1p p.331
- Defect of low pressure sensor p.331
- Applicable models rxyq5p a 54p a p.331
- Troubleshooting p.331
- Supposed causes p.331
- Shortage of gas or refrigerant system clogging incorrect piping p.331
- Shortage of gas malfunction is detected by discharge pipe temperature thermistor p.331
- Remote controller display p.331
- Refer to thermistor resistance temperature characteristics table on p 26 p.331
- Refer to pressure sensor pressure voltage characteristics table on p 28 p.331
- Outdoor unit low pressure drop due to refrigerant shortage or electronic expansion valve failure p.331
- Micro computer judge and detect if the system is short of refrigerant p.331
- Method of malfunction detection p.331
- Malfunction is not decided while the unit operation is continued p.331
- Malfunction decision conditions p.331
- Defect of thermistor r7t or r4t p.331
- Malfunction decision conditions p.332
- Defect of outdoor unit pcb a1p p.332
- Applicable models rxyq5p a 54p a p.332
- When a significant phase difference is made between phases p.332
- Troubleshooting p.332
- The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged p.332
- Supposed causes p.332
- Reverse phase open phase p.332
- Remote controller display p.332
- Power supply reverse phase p.332
- Power supply open phase p.332
- Method of malfunction detection p.332
- Outdoor unit power supply insufficient or instantaneous failure p.333
- Troubleshooting by indication on the remote controller si34 803_b p.334
- Troubleshooting p.334
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.334
- Troubleshooting 324 p.335
- Troubleshooting p.335
- Si34 803_b troubleshooting by indication on the remote controller p.335
- Troubleshooting p.336
- Supposed causes p.336
- Remote controller display p.336
- Outdoor unit check operation is not executed p.336
- Method of malfunction detection p.336
- Malfunction is decided when the unit starts operation without check operation p.336
- Malfunction decision conditions p.336
- Check operation is not executed p.336
- Check operation is executed or not p.336
- Applicable models rxyq5p a 54p a p.336
- Malfunction of transmission between indoor units p.337
- Troubleshooting by indication on the remote controller si34 803_b p.338
- Troubleshooting p.338
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.338
- Connection of two main remote controllers when using 2 remote controllers p.339
- Applicable models all models of indoor units p.339
- Troubleshooting p.339
- Supposed causes p.339
- Remote controller display p.339
- Normal transmission does not continue for specified period p.339
- Method of malfunction detection p.339
- Malfunction of transmission caused by noise p.339
- Malfunction of indoor unit remote controller transmission p.339
- Malfunction decision conditions p.339
- Indoor unit malfunction of transmission between remote controller and indoor unit p.339
- In case of controlling with 2 remote controller check the system using micro computer is signal transmission between indoor unit and remote controller main and sub is normal p.339
- Defect of remote controller pcb p.339
- Defect of indoor unit pcb p.339
- Indoor unit malfunction of transmission between outdoor units p.340
- Troubleshooting p.341
- Si34 803_b troubleshooting by indication on the remote controller p.341
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.341
- Troubleshooting 330 p.341
- Troubleshooting p.342
- Supposed causes p.342
- Remote controller display p.342
- Normal transmission does not continue for specified period p.342
- Method of malfunction detection p.342
- Malfunction of transmission between main and sub remote controller p.342
- Malfunction decision conditions p.342
- Indoor unit malfunction of transmission between main and sub remote controllers p.342
- In case of controlling with 2 remote controller check the system using micro computer if signal transmission between indoor unit and remote controller main and sub is normal p.342
- Defect of remote controller pcb p.342
- Connection between sub remote controllers p.342
- Applicable models all models of indoor units p.342
- Indoor unit malfunction of transmission between indoor and outdoor units in the same system p.343
- Improper combination of indoor and outdoor units indoor units and remote controller p.344
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.345
- Troubleshooting 334 p.345
- Troubleshooting p.345
- The number of indoor units that can be connected to a single outdoor unit system depends on the model of outdoor unit p.345
- Si34 803_b troubleshooting by indication on the remote controller p.345
- Address duplication of centralized controller p.346
- Malfunction of transmission between centralized controller and indoor unit p.347
- Troubleshooting by indication on the remote controller si34 803_b p.348
- Troubleshooting p.348
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.348
- Troubleshooting 338 p.349
- Troubleshooting p.349
- Si34 803_b troubleshooting by indication on the remote controller p.349
- Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units p.350
- Failure to execute check operation p.350
- Defect of indoor unit pcb p.350
- Applicable models all models of indoor units rxyq5p a 54p a p.350
- Troubleshooting p.350
- The malfunction is determined as soon as the abnormality aforementioned is detected through checking the system for any erroneous connection of units on the check operation p.350
- System is not set yet p.350
- Supposed causes p.350
- Stop valve is left in closed p.350
- Remote controller display p.350
- On check operation the number of indoor units in terms of transmission is not corresponding to that of indoor units that have made changes in temperature p.350
- Note wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour p.350
- Method of malfunction detection p.350
- Malfunction decision conditions p.350
- Malfunction of system refrigerant system address undefined p.351
- Troubleshooting by indication on the remote controller si34 803_b p.352
- Troubleshooting p.352
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.352
- Troubleshooting op centralized remote controller p.353
- Pcb defect p.353
- Malfunction of transmission between optional controllers for centralized control p.354
- Troubleshooting 344 p.355
- Troubleshooting p.355
- Si34 803_b troubleshooting op centralized remote controller p.355
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.355
- Improper combination of optional controllers for centralized control p.356
- Troubleshooting 346 p.357
- Troubleshooting p.357
- Si34 803_b troubleshooting op centralized remote controller p.357
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.357
- Method of malfunction detection p.358
- Malfunction decision conditions p.358
- Detect the malfunction according to diii net transmission data p.358
- Applicable models centralized remote controller intelligent touch controller schedule timer p.358
- Address duplication of centralized controller p.358
- Address duplication improper setting p.358
- Two units of schedule timers are connected p.358
- Two or more units of centralized remote controllers and intelligent touch controllers are connected and all of them are set to master unit central setting or slave unit central setting p.358
- Troubleshooting p.358
- Supposed causes p.358
- Remote controller display p.358
- Troubleshooting 348 p.359
- The master unit central setting connector cn1 x1a is mounted at the factory to independently use a single unit of the intelligent touch controller or a single unit of the centralized remote controller do not dismount the master unit central setting connector i e use the connector with the factory setting unchanged to independently use the schedule timer insert an independent use setting connector no independent use setting connector has been mounted at the factory insert the connector which is attached to the casing of the main unit in the pcb cn1 x1a independent use connector master unit central setting connector to use two or more centralized controller in combination make settings according to the table shown below p.359
- Si34 803_b troubleshooting op centralized remote controller p.359
- Master unit central connector setting table p.359
- Master slave unit setting table combination of intelligent touch controller and centralized remote controller p.359
- Troubleshooting op unified on off controller p.361
- Operation lamp blinks p.361
- Troubleshooting op unified on off controller si34 803_b p.362
- Troubleshooting p.362
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.362
- Display under centralized control blinks repeats single blink p.363
- Troubleshooting op unified on off controller si34 803_b p.364
- Troubleshooting p.364
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.364
- Troubleshooting 354 p.365
- Si34 803_b troubleshooting op unified on off controller p.365
- Troubleshooting p.366
- Supposed causes p.366
- Remote controller display p.366
- Method of malfunction detection p.366
- Malfunction decision conditions p.366
- Improper wiring of transmission wiring p.366
- Improper control range setting switch p.366
- Display under centralized control blinks repeats double blink p.366
- Detect the malfunction according to diii net transmission data p.366
- Central control address group no is not set for indoor unit p.366
- Applicable models unified on off controller p.366
- When no centralized control addresses are set to indoor units when no indoor units are connected within the control range p.366
- Under centralized control repeats double blink p.366
- Troubleshooting op unified on off controller si34 803_b p.366
- Troubleshooting 356 p.367
- Si34 803_b troubleshooting op unified on off controller p.367
- Check on connector of fan motor power supply cable 1 turn off the power supply 2 measure the resistance between phases of u v w at the motor side connectors three core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected p.367
- Check 2 p.367
- Check 1 p.367
- 1 turn off the power supply 2 measure the resistance between vcc and each phase of u v w and gnd and each phase at the motor side connectors five core wire to check that the values are balanced within the range of 20 while connector or relay connector is disconnected furthermore to use a multiple meter for measurement connect the probe of negative pole to vcc and that of positive pole to gnd p.367
- Troubleshooting op unified on off controller si34 803_b p.368
- Troubleshooting p.368
- Check for causes of rise in high pressure referring to the fault tree analysis fta shown below probe the faulty points p.368
- Check 3 p.368
- Si34 803_b troubleshooting op unified on off controller p.369
- Check for causes of drop in low pressure referring to the fault tree analysis fta shown below probe the faulty points p.369
- Check 4 p.369
- Troubleshooting 358 p.369
- Wiring diagrams for reference 71 p.370
- Piping installation point 22 p.370
- Piping diagrams 60 p.370
- Part 7 appendix p.370
- Option list 18 p.370
- List of electrical and functional parts 02 p.370
- Example of connection r 410a type 24 7 thermistor resistance temperature characteristics 26 8 pressure sensor 28 9 method of checking the inverter s power transistors and diode modules 29 p.370
- Rxyq5pay1 p.371
- Piping diagrams p.371
- Outdoor unit p.371
- Rxyq5ptl rxyq5payl p.372
- Rxyq8pay1 p.373
- Rxyq8ptl rxyq8payl p.374
- Rxyq10pa 12pay1 p.375
- Rxyq10p 12ptl rxyq10pa 12payl p.376
- Si34 803_b piping diagrams p.377
- Rxyq14p 16p 18ptl rxyq14pa 16pa 18pay1 rxyq14pa 16pa 18payl p.377
- D050785c p.377
- Appendix 366 p.377
- Φ 15 or less attached piping above φ 19 p.378
- Liquid piping connection port p.378
- Indoor unit p.378
- Heat exchanger p.378
- Gas piping connection port p.378
- Fxcq fxfq fxkq fxsq fxmq fxhq fxaq fxlq fxnq p.378
- Flare connection p.378
- Flare connectio p.378
- Electronic expansion valve filter filter p.378
- Fxmq20p 25p 32p 40p 50p 63p 80p 100p 125p 140pve p.379
- Filter filter p.379
- Electronic expansion valve p.379
- Refrigerant pipe connection port diameters p.379
- Liquid side p.379
- Indoor heat exchanger p.379
- Gas side p.379
- Refrigerant pipe connection port diameters p.380
- Fxmq125mf 200mf 250mfv1 p.380
- Indoor unit p.381
- Fxuq bevq p.381
- Connection unit p.381
- Wiring diagrams for reference si34 803_b p.382
- Wiring diagrams for reference p.382
- Rxyq5pay1 rxyq5payl p.382
- Outdoor unit p.382
- Appendix p.382
- D060626b p.383
- Appendix 372 p.383
- Si34 803_b wiring diagrams for reference p.383
- Rxyq5ptl p.383
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.383
- Wiring diagrams for reference si34 803_b p.384
- Rxyq8pay1 rxyq8payl p.384
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 only for rxyq refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.384
- Appendix p.384
- Si34 803_b wiring diagrams for reference p.385
- Rxyq8ptl p.385
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.385
- D060627b p.385
- Appendix 374 p.385
- Wiring diagrams for reference si34 803_b p.386
- Rxyq10pay1 rxyq10payl p.386
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 only for rxyq refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph s2ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.386
- Appendix p.386
- Si34 803_b wiring diagrams for reference p.387
- Rxyq10ptl p.387
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.387
- D060629b p.387
- Appendix 376 p.387
- Wiring diagrams for reference si34 803_b p.388
- Rxyq12pay1 rxyq12payl p.388
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph s2ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.388
- Appendix p.388
- Si34 803_b wiring diagrams for reference p.389
- Rxyq12ptl p.389
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.389
- D060630b p.389
- Appendix 378 p.389
- D060911a p.390
- Appendix p.390
- Wiring diagrams for reference si34 803_b p.390
- Rxyq14pa 16pa 18pay1 rxyq14pa 16pa 18payl p.390
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the optional adaptor refer to the installation manual of the optional adaptor 5 for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor muli transmission q1 q2 refer to the installation manual 6 how to use bs1 5 and ds1 switch refer to service precaution label on el compo box cover 7 when operating don t short circuit the protection device s1ph s3ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange p.390
- Thermistor fin a2p y3s r1t solenoid valve 4 way valve thermistor suction r2t noise filter ferrite core z1c 7c hap thermistor m1c 3c discharge z1f p.391
- Magnetic relay e2hc current sensor a4p a6p a1p t1a k8r p.391
- Thermistor air a1p y2s r1t solenoid valve oil h1p 8p p.391
- Magnetic relay current limiting p.391
- Switching power supply a1p a2p p.391
- Magnetic contactor m1c a2p magnetic contactor m2c m3c magnetic relay k2m k3m magnetic relay y1s magnetic relay y2s magnetic relay y3s magnetic relay e1hc selector switch cool heat s2s pressure switch high k7r p.391
- Si34 803_b wiring diagrams for reference p.391
- M1c 3c p.391
- Selector switch fan cool heat p.391
- L1 red l2 wht l3 blu p.391
- S1s s1npl k5r p.391
- F1u f2u p.391
- Rxyq14p 16p 18ptl p.391
- Electronic expansion valve main p.391
- Resistor current sensor a5p p.391
- E1hc 3hc p.391
- Resistor current sensor a2p y1s solenoid valve hotgas r502 p.391
- D060632b p.391
- Resistor current sensor a2p f1u y2e r112 p.391
- Appendix 380 p.391
- Resistor current limiting ds1 x1m terminal strip abc i p a3p r1 p.391
- A5p motor compressor power module a2p p.391
- Ps x1m terminal strip power supply p.391
- A3p v1r diode bridge a2p k84r p.391
- Printed circuit board main printed circuit board inv printed circuit board abc i p p.391
- A2p magnetic relay e3hc v1cp safety devices input k9r p.391
- V1r reactor power module a5p l1r p.391
- Printed circuit board inv push button switch mode set return test reset capacitor dip switch crankcase heater fuse 16a dc450v a2p a5p fuse t 3 5a 250v a1p p.391
- Thermistor liq pipe r6t k3r thermistor accumulator r7t pressure sensor high cool heat selector s1nph k4r pressure sensor low p.391
- Phase reversal detect circuit q1rp c1 x1m terminal strip control a1p p.391
- Thermistor heat exc outlet r5t p.391
- Thermistor heat exc deicer r4t p.391
- Motor fan connector m1f m2f x1a 4a bs1 5 p.391
- Rxyq5pa 8pa 10pa 12pa 14pa 16pa 18pay1 rxyq5pa 8pa 10pa 12pa 14pa 16pa 18payl p.392
- Field wiring p.392
- Si34 803_b wiring diagrams for reference p.393
- Rxyq5p 8p 10p 12p 14p 16p 18ptl p.393
- Appendix 382 p.393
- Rxyq20pa 22pa 24pa 26pa 28pa 30pa 32pay1 rxyq20pa 22pa 24pa 26pa 28pa 30pa 32payl p.394
- Si34 803_b wiring diagrams for reference p.395
- Rxyq20p 22p 24p 26p 28p 30p 32ptl p.395
- Appendix 384 p.395
- Rxyq34pa 36pa 38pa 40pa 42pa 44pa 46pa 48pa 50pa 52pa 54pay1 rxyq34pa 36pa 38pa 40pa 42pa 44pa 46pa 48pa 50pa 52pa 54payl p.396
- Rxyq34p 36p 38p 40p 42p 44p 46p 48p 50p 52p 54ptl p.397
- Appendix 386 p.397
- Si34 803_b wiring diagrams for reference p.397
- Light emitting diode p.398
- Indoor unit p.398
- Fxfq25p 32p 40p 50p 63p 80p 100p 125pve p.398
- Wiring diagrams for reference si34 803_b p.398
- Fuse f 5a 250v p.398
- When connecting the input wires from outside forced off or on off control operation can be selected by the remote controller see installation manual for more details 5 confirm the method of setting the selector switch ss1 ss2 by installation manual and engineering data etc 6 symbols shows as follows red red blk black wht white ylw yellow grn green org orange brn brown pnk pink gry gray blu blue p.398
- Thermistor ptc p.398
- Float switch p.398
- Thermistor coil liquid p.398
- Ferrite core p.398
- Thermistor air p.398
- Electronic expansion valve p.398
- Terminal strip p.398
- Diode bridge p.398
- Service monitor green p.398
- D059890a p.398
- Selector switch wireless address set p.398
- Connector for optional parts p.398
- Selector switch main sub p.398
- Capacitor p.398
- S1l v1r p.398
- C1 f1u p.398
- Notes 1 terminal connector field wiring 2 in case using central remote controller connect it to the unit in accordance with the attached installation manual 3 x24a x33a and x35a are connected when the optional accessories are being used p.398
- Appendix p.398
- Noise filter p.398
- A4p a3p p.398
- Magnetic relay p.398
- A1p a2p p.398
- M1s r1t r2t r3t r4t p.398
- Fxcq20m 25m 32m 63mve p.399
- Fxcq40m 50m 80m 125mve p.400
- Fxkq25ma 32ma 40ma 63mave p.401
- Wiring diagrams for reference si34 803_b p.402
- Fxdq20pb 25pb 32pb fxdq40nb 50nb 63nbve with drain pump p.402
- Appendix p.402
- Si34 803_b wiring diagrams for reference p.403
- Fxdq20pb 25pb 32pb fxdq40nb 50nb 63nbvet without drain pump p.403
- Appendix 392 p.403
- Magnetic relay e1h p.404
- Kpr m1f m1p q1m p.404
- Kcr kfr khr khur p.404
- Indoor unit printed circuit board a1p a2p c1 f1u hap p.404
- Humidistat terminal block e1h wired remote controller thermistor air selector switch main sub adaptor for wiring fuse 5a 250v magnetic relay magnetic relay magnetic relay e1h magnetic relay hu connector for optional parts connector adaptor for wiring connector wiring adaptor for electrical appendices p.404
- Hu k1m s1h x3m p.404
- Fxsq20m 25m 32m 40m 50m 63m 80m 100m 125mve p.404
- D039561b p.404
- Appendix p.404
- X16a x18a p.404
- Wiring diagrams for reference si34 803_b p.404
- Terminal board capacitor m1f fuse 5a 250v p.404
- S1l t1r x1m x2m y1e p.404
- R1t ss1 p.404
- Notes 1 terminal block connector terminal 2 field wiring 3 in case using central remote controller connect it to the unit in accordance with the attached instruction manual 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote controller in details refer to the installation manual attached the unit 5 in case installing the electric heater execute the additional wiring for heater circuit k1m e1h in this case the main power supply has to be supplied independently 6 in case high or low e s p operation change over the wiring connection from x4a of a2p to x3a or x5a 7 symbols show as follows pnk pink wht white ylw yellow gry gray org orange blu blue blk black red red brn brown grn green 8 use copper conductors only 9 only 80 100 125 type p.404
- Magnetic relay m1f magnetic relay m1p motor indoor fan motor drain pump thermo switch 135 c or 145 c note9 m1f embedded thermistor air thermistor coil float switch transformer 220 240v 22v terminal block power terminal block control electronic expansion valve optional parts electric heater fuse 15a 250v humidifier p.404
- Fxmq20p 25p 32p 40p 50p 63p 80p 100p 125p 140pve p.405
- Fxmq200ma 250mave p.406
- Fxhq32ma 63ma 100mave p.407
- Wiring diagrams for reference si34 803_b p.408
- Fxaq20ma 25ma 32mave 40ma 50ma 63mave p.408
- Appendix p.408
- Fxlq20ma 25ma 32ma 40ma 50ma 63mave fxnq20ma 25ma 32ma 40ma 50ma 63mave p.409
- Fxuq71ma 100ma 125mav1 p.410
- Fxmq125mf 200mf 250mfv1 p.411
- Bevq71ma 100ma 125mave p.412
- Rxyq5pay1 8pay1 p.413
- Outdoor unit p.413
- List of electrical and functional parts p.413
- Rxyq10pay1 12pay1 p.414
- Rxyq5 8payl ptl p.416
- Outdoor unit 60hz p.416
- Rxyq10 12payl ptl p.418
- Rxyq14 16 18payl ptl p.420
- List of electrical and functional parts si34 803_b p.422
- Indoor unit p.422
- C off 87 c on p.422
- Appendix p.422
- Si34 803_b list of electrical and functional parts p.423
- Only for fxdq20 63n b ve fxdq20 32pbve with drain pump type p.423
- Appendix 412 p.423
- List of electrical and functional parts si34 803_b p.424
- Appendix p.424
- Μ f 400v p.425
- St8605 6 φ 8 p.425
- St8602a 6 φ 6 p.425
- Si34 803_b list of electrical and functional parts p.425
- K ω 25 c p.425
- Appendix 414 p.425
- List of electrical and functional parts si34 803_b p.426
- Appendix p.426
- Thermal protector 130 c off 83 c on p.427
- Si34 803_b list of electrical and functional parts p.427
- Appendix 416 p.427
- List of electrical and functional parts si34 803_b p.428
- Appendix p.428
- 2 up to 2 adaptors can be fixed for each installation box 3 only one installation box can be installed for each indoor unit 4 up to 2 installation boxes can be installed for each indoor unit 5 installation box no 8 is necessary for second adaptor 6 installation box no 8 is necessary for each adaptor 7 this adaptor is required when connecting with optional controller for centralized control 8 brc2a51 is also available various pcb p.429
- Si34 803_b option list p.429
- Option list of controllers p.429
- Option list p.429
- Operation control system optional accessories p.429
- Note 1 installation box no is necessary for each adaptor marked p.429
- Appendix 418 p.429
- Note 1 installation box for adaptor must be obtained locally 2 for residential use only cannot be used with other centralized control equipment p.430
- 4 optional diii ai unit dam101a51 p.430
- Note 1 bacne p.430
- 4 electrical box with earth terminal 4 blocks kjb411a p.430
- Is a registered trademark of american society of heating refrigerating and air conditioning engineers ashrae 2 p.430
- 3 web dcs004a51 p.430
- Is a registered trade mark of echelon corporation 3 installation box for adaptor must be procured onsite p.430
- 3 eco dam003a51 p.430
- Intelligent manager iii p.430
- 2 web dam004a51 p.430
- Hardware diii net plus adaptor dcs601a52 p.430
- 2 software p p d dcs002c51 p.430
- Units dam602b52 p.430
- Dms504b51 p.430
- 2 optional di board dam412b51 p.430
- Units dam602b51 512 units dam602b51x2 768 units dam602b51x3 1024 units dam602b51x4 2 1 p.430
- Dms502b51 p.430
- 2 interface for use in p.430
- Unification adaptor for computerized control dcs302a52 p.430
- Contact analog signal p.430
- 1 optional diii board dam411b51 p.430
- Temperature setting units dpf201a53 p.430
- 1 interface for use in bacne p.430
- Temperature measurement units dpf201a52 p.430
- Communication line p.430
- System configuration p.430
- Building management system p.430
- Parallel interface basic unit dpf201a51 p.430
- Basic hardware number of units to be connected p.430
- P p d dam002a51 p.430
- Basic hardware intelligent touch controller dcs601c51 p.430
- Option software p.430
- Appendix p.430
- Option list si34 803_b p.430
- 6 dio unit dec102a51 p.430
- Option p.430
- 5 di unit dec101a51 p.430
- Rxyq38 54pay1 payl ptl p.431
- Rxyq20 36pay1 payl ptl p.431
- Order products p.431
- Option lists outdoor unit p.431
- Appendix 420 p.431
- Si34 803_b option list p.431
- Rxyq5 18pay1 payl ptl p.431
- Rxyq32 50pahy1 pahyl phtl p.432
- Rxyq24 30pahy1 pahyl phtl p.432
- Rxyq16 18pahy1 pahyl phtl p.432
- Order products p.432
- Option list si34 803_b p.432
- Appendix p.432
- When the piping length between the multi connection kits or between multi connection kit and outdoor unit is 2m or more prepare a vertical projection part 200mm or more as shown below only on the gas pipe line location less than 2m from multi connection kit p.433
- The projection part between multi connection piping kits p.433
- Since there is a possibility that oil may be collected on a stop machine side install piping between outdoor units to go to level or go up to an outdoor unit and to make a slope p.433
- Piping installation point p.433
- In the case of 2m or more p.433
- In the case of 2m or less p.433
- The example of a wrong pattern p.434
- Appendix 424 p.435
- Si34 803_b example of connection r 410a type p.435
- Refrigerant branch kit selection p.435
- Pipe size selection p.435
- Example refrigerant branch using refnet joint and refnet header p.435
- Example refrigerant branch using refnet joint p.435
- Example refrigerant branch using refnet header p.435
- Example of connection r 410a type p.435
- Example of connection p.435
- Note 3 p.436
- Note 2 p.436
- Note 1 p.436
- How to calculate the additional refrigerant to be charged p.436
- Diameter of above case p.436
- Outdoor unit for fin thermistor r1t p.437
- Indoor unit for suction air r1t for liquid pipe r2t for gas pipe r3t p.437
- Appendix 426 p.437
- Thermistor resistance temperature characteristics p.437
- Si34 803_b thermistor resistance temperature characteristics p.437
- Outdoor unit for outdoor air r1t for coil r2t for suction pipe r4t for receiver gas pipe r5t for receiver outlet liquid pipe r6t p.437
- Thermistor resistance temperature characteristics si34 803_b p.438
- Outdoor unit thermistors for discharge pipe r3t r31t r33t p.438
- Appendix p.438
- Pressure sensor p.439
- Method of checking the inverter s power transistors and diode modules p.440
- Inverter pcb p.440
- Faulty fan motor ground leakage p.440
- Faulty compressor ground leakage p.440
- Entry of conductive foreign particles p.440
- Electronic circuit p.440
- Appendix p.440
- According to the checking aforementioned it is probed that the malfunction results from the faulty inverter the following section describes supposed causes of the faulty inverter p.440
- Abnormal voltage e g overvoltage surge thunder or unbalanced voltage in order to replace the faulty inverter be sure to check for the points aforementioned p.440
- To make measurement disconnect all connectors and terminals p.440
- Method of checking the inverter s power transistors and diode modules si34 803_b p.440
- When using the digital type of multiple tester make measurement in diode check mode p.441
- When using the analog type of multiple tester make measurement in resistance measurement mode in the x1 p.441
- Power module checking p.441
- Diode module checking p.441
- Precautions for new refrigerant r 410a 32 p.442
- Precautions for new refrigerant r 410a p.442
- Part 8 precautions for new refrigerant r 410a p.442
- Part 8 p.442
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points p.443
- Precautions for new refrigerant r 410a p.443
- Outline p.443
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points p.443
- Characteristics of new refrigerant r 410a 1 performance almost the same performance as r 22 and r 407c 2 pressure working pressure is approx 1 times more than r 22 and r 407c 3 refrigerant composition few problems in composition control since it is a quasi azeotropic mixture refrigerant p.443
- About refrigerant r 410a p.443
- The design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c p.443
- Thermodynamic characteristic of r 410a p.444
- Precautions for new refrigerant r 410a si34 803_b p.444
- Precautions for new refrigerant r 410a p.444
- Refrigerant cylinders p.445
- Tool compatibility p.446
- Service tools p.446
- R 410a is used under higher working pressure compared to previous refrigerants r 22 r 407c furthermore the refrigerating machine oil has been changed from suniso oil to ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems therefore gauge manifolds and charge hoses that are used with a previous refrigerant r 22 r 407c can not be used for products that use new refrigerants be sure to use dedicated tools and devices p.446
- O soft annealed h hard drawn p.446
- Copper tube material and thickness p.446
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose p.446
- Flaring tool p.447
- Dimension a p.447
- Differences p.447
- Conventional flaring tools can be used when the work process is changed change of work process previously a pipe extension margin of 0 to 0 mm was provided for flaring for r 410a air conditioners perform pipe flaring with a pipe extension margin of 1 to 1 mm for clutch type only conventional tool with pipe extension margin adjustment can be used p.447
- Change of dimension a p.447
- Unit mm p.447
- Specifications p.447
- Can not be used p.450
- Use only those parts and accessories supplied or specified by daikin ask a qualified installer or contractor to install those parts and accessories use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion p.452
- Read the user s manual carefully before using this product the user s manual provides important safety instructions and warnings be sure to follow these instructions and warnings p.452
- Printed in japan 11 2010 ak si34 803_b p.452
- If you have any enquiries please contact your local importer distributor and or retailer p.452
- Http www daikin com global_ac p.452
- Daikin industries ltd s products are manufactured for export to numerous countries throughout the world daikin industries ltd does not have control over which products are exported to and used in a particular country prior to purchase please therefore confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used this statement does not purport to exclude restrict or modify the application of any local legislation p.452
- Cautions on product corrosion p.452
- Ask a qualified installer or contractor to install this product do not try to install the product yourself improper installation can result in water or refrigerant leakage electrical shock fire or explosion p.452
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Learn how to troubleshoot transmission failures between indoor unit and fan PCB. Identify causes and solutions for effective maintenance and repair.