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Daikin RXYQ36PAYL [238/452] Kh hhhhh
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Field Setting Si34-803_B
227 Test Operation
Supplementation on e and f.
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.
Address setting for
e
and
f
(Set lower 5 digits with binary number.) [No.0 to No.31]
Address
No.
Outdoor unit PCB LED
Set with setting mode 2
External control adaptor for outdoor unit
No 0
No 1
No 2
No 3
No 4
No 30
No 31
DS2
DS1
kh hhhhh
kh hhhhk
kh hhhkh
kh hhhkk
kh hhkhh
kh hhhhk
kh kkkkk
0
1
2
3
4
30
31
0
1
2
3
4
30
31
~
~
~
k ON h OFF
Upper position (ON) lower position (OFF)
(The shaded part shows knob)
Содержание
- Basic control 11 2
- Combination of outdoor units 4 model selection 2
- Function general 09 2
- Functional parts layout 7 2
- Introduction vi 2
- Model names of indoor outdoor units 2 external appearance 2
- Part 1 general information 2
- Part 2 specifications 1 2
- Part 3 refrigerant circuit 7 2
- Part 4 function 08 2
- R 410a heat pump 50hz 60hz 2
- Refrigerant circuit 8 2
- Refrigerant flow for each operation mode 2 2
- Specifications 2 2
- Table of contents 2
- Other control 56 3
- Outdoor unit pcb layout 91 3 field setting 92 3
- Outline of control indoor unit 62 3
- Part 5 test operation 75 3
- Part 6 troubleshooting 36 3
- Protection control 51 3
- Special control 42 3
- Symptom based troubleshooting 39 2 troubleshooting by remote controller 42 3
- Test operation 76 3
- Troubleshooting by indication on the remote controller 57 4
- List of electrical and functional parts 02 5
- Part 7 appendix 59 5
- Piping diagrams 60 5
- Troubleshooting op centralized remote controller 42 5
- Troubleshooting op unified on off controller 50 5
- Wiring diagrams for reference 71 5
- 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 6
- Option list 18 6
- Part 8 precautions for new refrigerant r 410a 31 6
- Piping installation point 22 6
- Precautions for new refrigerant r 410a 32 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Cautions regarding products after repair 8
- Warning 8
- Caution 9
- Inspection after repair 9
- Warning 9
- Caution 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 10
- Using icons 10
- Using icons list 10
- Warning 10
- Preface 11
- Part 1 general information 12
- E the unit with anti corrosion treatment 13
- General information 2 13
- Heat pump rxyq 13
- High cop series energy saving series 13
- Indoor units 13
- Model names of indoor outdoor units 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 13
- Outdoor units normal series 13
- P a 44p a 46p a 48p a 50p a 52p a 54p a 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 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 13
- P a h 40p a h 42p a h 44p a h 46p a h 48p a h 50p a h 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 13
- Series model name power supply 13
- Si34 803_b model names of indoor outdoor units 13
- Y1 e yl e tl e 13
- Ceiling mounted built in type 14
- Ceiling mounted cassette corner type 14
- Ceiling mounted cassette type double flow 14
- Ceiling mounted cassette type round flow 14
- Ceiling mounted duct type 14
- Ceiling mounted duct type middle and high static pressure 14
- Ceiling suspended cassette type connection unit series 14
- Ceiling suspended type 14
- Concealed floor standing type 14
- External appearance 14
- External appearance si34 803_b 14
- Floor standing type 14
- General information 14
- Indoor units 14
- Slim ceiling mounted duct type 14
- Wall mounted type 14
- Normal series space saving series 15
- Outdoor units 15
- Rxyq12p a 14p a 16p a 18p a 15
- Rxyq20p a 22p a 24p a 26p a 28p a rxyq30p a 32p a 34p a 36p a 15
- Rxyq38p a 40p a 42p a 44p a 46p a rxyq48p a 50p a 52p a 54p a 15
- Rxyq5p a rxyq8p a 10p a 15
- Combination of outdoor units 17
- General information 8 19
- High cop type energy saving type 19
- Model selection 19
- Outdoor units normal type space saving type 19
- Si34 803_b model selection 19
- Vrviii heat pump series 19
- Connectable indoor unit 20
- Equivalent output 0 hp 1hp 20
- General information 20
- Hp 2 hp 2 hp 3 hp 4hp 5hp 6hp 8hp 10hp 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 20
- Indoor unit capacity 20
- Model selection si34 803_b 20
- 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 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 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 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 20
- Differences from conventional models 21
- Part 2 specifications 22
- Specifications 2 22
- Outdoor units 23
- Si34 803_b specifications 23
- Specifications 23
- Specifications 12 23
- Specifications 24
- Specifications si34 803_b 24
- Si34 803_b specifications 25
- Specifications 14 25
- Specifications 26
- Specifications si34 803_b 26
- Si34 803_b specifications 27
- Specifications 16 27
- Specifications 28
- Specifications si34 803_b 28
- Si34 803_b specifications 29
- Specifications 18 29
- Specifications 30
- Specifications si34 803_b 30
- Si34 803_b specifications 31
- Specifications 20 31
- Specifications 32
- Specifications si34 803_b 32
- Si34 803_b specifications 33
- Specifications 22 33
- Specifications 34
- Specifications si34 803_b 34
- Si34 803_b specifications 35
- Specifications 24 35
- Specifications 36
- Specifications si34 803_b 36
- Si34 803_b specifications 37
- Specifications 26 37
- Specifications 38
- Specifications si34 803_b 38
- Si34 803_b specifications 39
- Specifications 28 39
- Specifications 40
- Specifications si34 803_b 40
- Si34 803_b specifications 41
- Specifications 30 41
- Specifications 42
- Specifications si34 803_b 42
- Si34 803_b specifications 43
- Specifications 32 43
- Specifications 44
- Specifications si34 803_b 44
- Si34 803_b specifications 45
- Specifications 34 45
- Specifications 46
- Specifications si34 803_b 46
- Si34 803_b specifications 47
- Specifications 36 47
- Specifications 48
- Specifications si34 803_b 48
- Si34 803_b specifications 49
- Specifications 38 49
- Specifications 50
- Specifications si34 803_b 50
- Si34 803_b specifications 51
- Specifications 40 51
- Specifications 52
- Specifications si34 803_b 52
- Si34 803_b specifications 53
- Specifications 42 53
- Specifications 54
- Specifications si34 803_b 54
- Si34 803_b specifications 55
- Specifications 44 55
- Specifications 56
- Specifications si34 803_b 56
- Si34 803_b specifications 57
- Specifications 46 57
- Specifications 58
- Specifications si34 803_b 58
- Si34 803_b specifications 59
- Specifications 48 59
- Specifications 60
- Specifications si34 803_b 60
- Si34 803_b specifications 61
- Specifications 50 61
- Specifications 62
- Specifications si34 803_b 62
- Si34 803_b specifications 63
- Specifications 52 63
- Specifications 64
- Specifications si34 803_b 64
- Ceiling mounted cassette round flow type 65
- Indoor units 65
- Si34 803_b specifications 65
- Specifications 54 65
- Ceiling mounted cassette round flow type 66
- Specifications 66
- Specifications si34 803_b 66
- Ceiling mounted cassette type double flow 67
- Si34 803_b specifications 67
- Specifications 56 67
- Ceiling mounted cassette type double flow 68
- Specifications 68
- Specifications si34 803_b 68
- Ceiling mounted cassette corner type 69
- Si34 803_b specifications 69
- Specifications 58 69
- Slim ceiling mounted duct type ve with drain pump vet without drain pump 70
- Specifications 70
- Specifications si34 803_b 70
- Si34 803_b specifications 71
- Slim ceiling mounted duct type ve with drain pump vet without drain pump 71
- Specifications 60 71
- Ceiling mounted built in type 72
- Specifications 72
- Specifications si34 803_b 72
- Ceiling mounted built in type 73
- Si34 803_b specifications 73
- Specifications 62 73
- Ceiling mounted built in type 74
- Specifications 74
- Specifications si34 803_b 74
- Ceiling mounted duct type 75
- Si34 803_b specifications 75
- Specifications 64 75
- Ceiling mounted duct type 76
- Specifications 76
- Specifications si34 803_b 76
- Ceiling mounted duct type 77
- Si34 803_b specifications 77
- Specifications 66 77
- Ceiling mounted duct type 78
- Specifications 78
- Specifications si34 803_b 78
- Ceiling suspended type 79
- Si34 803_b specifications 79
- Specifications 68 79
- Specifications 80
- Specifications si34 803_b 80
- Wall mounted type 80
- Si34 803_b specifications 81
- Specifications 70 81
- Wall mounted type 81
- Floor standing type 82
- Specifications 82
- Specifications si34 803_b 82
- Floor standing type 83
- Si34 803_b specifications 83
- Specifications 72 83
- Concealed floor standing type 84
- Specifications 84
- Specifications si34 803_b 84
- Concealed floor standing type 85
- Si34 803_b specifications 85
- Specifications 74 85
- Bev units 86
- Ceiling suspended cassette type 86
- Specifications 86
- Specifications si34 803_b 86
- Outdoor air processing unit 87
- Si34 803_b specifications 87
- Specifications 76 87
- Functional parts layout 7 88
- Part 3 refrigerant circuit 88
- Refrigerant circuit 8 88
- Refrigerant flow for each operation mode 2 88
- Refrigerant circuit 89
- Refrigerant circuit 78 89
- Rxyq5p a 89
- Si34 803_b refrigerant circuit 89
- Rxyq5p a 90
- Refrigerant circuit 80 91
- Rxyq8p a 91
- Si34 803_b refrigerant circuit 91
- Rxyq8p a 92
- Refrigerant circuit 82 93
- Rxyq10p a 12p a 93
- Si34 803_b refrigerant circuit 93
- Rxyq10p a 12p a 94
- Refrigerant circuit 84 95
- Rxyq14p a 16p a 18p a 95
- Si34 803_b refrigerant circuit 95
- Rxyq14p a 16p a 18p a 96
- Main control equipment 97
- Outdoor air processing unit fxmq125mfv1 250mfv1 97
- Refrigerant system 97
- Sh control superheated control of heat exchanger outlet sc control subcooling control of heat exchanger outlet 97
- Thermistor 97
- Front view 98
- Functional parts layout 98
- Functional parts layout si34 803_b 98
- Refrigerant circuit 98
- Rxyq5p a 98
- Top view 98
- Accumulator 99
- Front view 99
- Heat exchanger 99
- High pressure sensor s1nph 99
- Refrigerant circuit 88 99
- Rxyq8p a 99
- Si34 803_b functional parts layout 99
- Thermistor 99
- Top view 99
- Accumulator 100
- Front view 100
- Functional parts layout si34 803_b 100
- Heat exchanger 100
- Refrigerant circuit 100
- Rxyq10p a 100
- Top view 100
- Accumulator 101
- Front view 101
- Heat exchanger 101
- Refrigerant circuit 90 101
- Rxyq12p a 101
- Si34 803_b functional parts layout 101
- Top view 101
- Accumulator 102
- Front view 102
- Functional parts layout si34 803_b 102
- Heat exchanger 102
- Refrigerant circuit 102
- Rxyq14p a 16p a 18p a 102
- Top view 102
- Refrigerant circuit 92 103
- Refrigerant flow for each operation mode 103
- Rxyq5p a cooling operation 103
- Si34 803_b refrigerant flow for each operation mode 103
- Cooling oil return operation 104
- Refrigerant circuit 104
- Refrigerant flow for each operation mode si34 803_b 104
- Heating oil return defrost operation 105
- Refrigerant circuit 94 105
- Si34 803_b refrigerant flow for each operation mode 105
- Heating operation 106
- Refrigerant circuit 106
- Refrigerant flow for each operation mode si34 803_b 106
- Refrigerant circuit 96 107
- Rxyq8p a cooling operation 107
- Si34 803_b refrigerant flow for each operation mode 107
- Cooling oil return operation 108
- Refrigerant circuit 108
- Refrigerant flow for each operation mode si34 803_b 108
- Heating oil return defrost operation 109
- Refrigerant circuit 98 109
- Si34 803_b refrigerant flow for each operation mode 109
- Heating operation 110
- Refrigerant circuit 110
- Refrigerant flow for each operation mode si34 803_b 110
- Refrigerant circuit 100 111
- Rxyq10p a 12p a cooling operation 111
- Si34 803_b refrigerant flow for each operation mode 111
- Cooling oil return operation 112
- Refrigerant circuit 112
- Refrigerant flow for each operation mode si34 803_b 112
- Heating oil return defrost operation 113
- Refrigerant circuit 102 113
- Si34 803_b refrigerant flow for each operation mode 113
- Heating operation 114
- Refrigerant circuit 114
- Refrigerant flow for each operation mode si34 803_b 114
- Refrigerant circuit 104 115
- Rxyq14p a 16p a 18p a cooling operation 115
- Si34 803_b refrigerant flow for each operation mode 115
- Cooling oil return operation 116
- Refrigerant circuit 116
- Refrigerant flow for each operation mode si34 803_b 116
- Heating oil return defrost operation 117
- Refrigerant circuit 106 117
- Si34 803_b refrigerant flow for each operation mode 117
- Heating operation 118
- Refrigerant circuit 118
- Refrigerant flow for each operation mode si34 803_b 118
- Basic control 11 119
- Function general 09 119
- Other control 56 119
- Outline of control indoor unit 62 119
- Part 4 function 119
- Protection control 51 119
- Special control 42 119
- Function general 120
- Symbol 120
- Function 110 121
- Malfunction standby retry 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 121
- Operation mode 121
- Si34 803_b function general 121
- 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 68 122
- Basic control 122
- List of functions in normal operation 122
- Normal operation 122
- Compressor pi control 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 123
- Cooling operation 123
- Heating operation 123
- Basic control si34 803_b 124
- Function 124
- Operating priority and rotation of compressors for multi standard connection system 124
- Function 114 125
- 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 125
- Inv std1 std2 125
- No 1 no 4 no 7 125
- No 2 no 5 no 8 125
- No 3 no 6 no 9 125
- Rxyq46p a 48p a 10hp 1fan 12hp 2fan 125
- Si34 803_b basic control 125
- Basic control si34 803_b 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 126
- Function 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 126
- Operating priority and rotation of compressors 126
- Rxyq10pay1 12pay1 126
- Rxyq14pay1 16pay1 126
- Rxyq18pay1 126
- Rxyq8pay1 126
- Stand alone installation rxyq5pay1 126
- Function 116 127
- 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 127
- Represents the range in which hz is not stepped up 127
- Rxyq20pay1 8 12hp 127
- Rxyq22pay1 10 12hp 127
- Si34 803_b basic control 127
- Two unit multi system 127
- Basic control si34 803_b 128
- Function 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 128
- Represents the range in which hz is not stepped up 128
- Rxyq24pay1 8 16hp 128
- Rxyq26pay1 8 18hp 128
- Function 118 129
- 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 129
- Represents the range in which hz is not stepped up 129
- Rxyq 32pay1 16 16hp 129
- Rxyq28pay1 30pay1 10 12 18hp 129
- Si34 803_b basic control 129
- Basic control si34 803_b 130
- Function 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 130
- Represents the range in which hz is not stepped up 130
- Rxyq 34pay1 16 18hp 130
- Rxyq36pay1 18 18hp 130
- Function 120 131
- 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 131
- Represents the range in which hz is not stepped up 131
- Rxyq 40pay1 8 16 16hp 131
- Rxyq38pay1 8 12 18hp 131
- Si34 803_b basic control 131
- Three unit multi system 131
- Basic control si34 803_b 132
- Function 132
- 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 132
- Represents the range in which hz is not stepped up 132
- Rxyq 42pay1 8 16 18hp 132
- Rxyq44pay1 8 18 18hp 132
- Function 122 133
- 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 133
- Represents the range in which hz is not stepped up 133
- Rxyq46pay1 48pay1 10 12 18 18hp 133
- Rxyq50pay1 52pay1 14 16 18 18hp 133
- Si34 803_b basic control 133
- Basic control si34 803_b 134
- Function 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 134
- Rxyq54pay1 18 18 18hp 134
- Function 124 135
- 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 135
- Rxyq10 12payl ptl 135
- Rxyq14 16payl ptl 135
- Rxyq18payl ptl 135
- Rxyq5payl ptl 135
- Rxyq8payl ptl 135
- Si34 803_b basic control 135
- Stand alone installation 135
- Basic control si34 803_b 136
- Function 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 136
- Rxyq22payl ptl 10 12hp 136
- Two unit multi system represents the range in which hz is not stepped up rxyq20payl ptl 8 12hp 136
- Function 126 137
- 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 137
- Represents the range in which hz is not stepped up 137
- Rxyq24payl ptl 8 16hp 137
- Rxyq26payl ptl 8 18hp 137
- Si34 803_b basic control 137
- Basic control si34 803_b 138
- Function 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 138
- Represents the range in which hz is not stepped up 138
- Rxyq28 30payl ptl 10 12 18hp 138
- Rxyq32payl ptl 16 16hp 138
- Function 128 139
- 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 139
- Represents the range in which hz is not stepped up 139
- Rxyq34payl ptl 16 18hp 139
- Rxyq36payl ptl 18 18hp 139
- Si34 803_b basic control 139
- Basic control si34 803_b 140
- Function 140
- 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 140
- Represents the range in which hz is not stepped up 140
- Rxyq38payl ptl 8 12 18hp 140
- Rxyq40payl ptl 8 16 16hp 140
- Function 130 141
- 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 141
- Represents the range in which hz is not stepped up 141
- Rxyq42payl ptl 8 16 18hp 141
- Rxyq44payl ptl 8 18 18hp 141
- Si34 803_b basic control 141
- Basic control si34 803_b 142
- Function 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 142
- Represents the range in which hz is not stepped up 142
- Rxyq46 48payl ptl 10 12 18 18hp 142
- Rxyq50 52payl ptl 14 16 18 18hp 142
- Function 132 143
- 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 143
- Rxyq54payl ptl 18 18 18hp 143
- Si34 803_b basic control 143
- Hz 60hz high cop type 144
- Electronic expansion valve pi control 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 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 151
- Step control of outdoor unit fans 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 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 151
- Used to control the revolutions of outdoor unit fans in the steps listed in table below according to condition changes 151
- Outdoor unit fan control in cooling operation 152
- 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 152
- Special control 153
- Startup control 153
- Startup control in cooling operation 153
- Startup control in heating operation 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 153
- Large capacity start up control heating 154
- Start up std compressors at intervals of 15 seconds 154
- 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 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 155
- Oil return operation 155
- Oil return operation in cooling operation 155
- 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 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 rxyq1 156
- Oil return operation in heating operation 156
- Defrosting operation 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 157
- 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 157
- Actuators are based on rxyq14 18p a 158
- 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 158
- Pump down residual operation 158
- Pump down residual operation in cooling operation 158
- Pump down residual operation in heating operation 158
- Actuators are based on rxyq14 18p a 159
- Crankcase heater control 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 159
- Restart standby 159
- Standby 159
- 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 159
- Actuators are based on rxyq14 18p a 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 160
- Stop due to malfunction 160
- Stopping operation 160
- This mode is used to define actuator operations when the system stops 160
- When system is in stop mode normal operation stop 160
- In heating operation the system operates with following mode 161
- Stopping operation of slave units during master unit is in operation with multi outdoor unit system 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 161
- High pressure protection control 162
- In case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence 162
- In case of multi outdoor unit system the entire system performs this control in the following sequence 162
- In cooling operation 162
- In heating operation 162
- Protection control 162
- 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 162
- Hot gas svp off 163
- Hot gas svp on 163
- In cooling operation 163
- In heating operation 163
- In the case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence 163
- In the case of multi outdoor unit system the entire system performs this control in the following sequence 163
- Low pressure protection control 163
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 163
- After 10 min 164
- Applicable std compressor stops 164
- Discharge pipe protection control 164
- Discharge pipe temp 164
- Htds value of std compressor discharge pipe temperature tds compensated with outdoor air temperature tp value of compressor port temperature calculated by t 164
- Inv compressor 164
- Protection control not limited 164
- Std compressor 164
- Te and suction superheated degree 164
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 164
- A y1 yl 26 a tl 165
- In the case of multi outdoor unit system each inv compressor performs these controls in the following sequence 165
- Inverter current 14 a y1 yl 26 a tl inv upper limit frequency max 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 165
- Inverter fin temperature control 165
- Inverter overcurrent protection control 165
- Inverter protection control 165
- Normal operation 165
- Y1 yl 26 a tl 165
- 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 166
- Injection control only for rxyq5p a 166
- Std compressor overload protection 166
- This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of std compressor such as locking 166
- 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 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 167
- Example the following diagram shows outdoor unit rotation in combination of 3 outdoor units in heating in cooling 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 167
- Other control 167
- Outdoor unit rotation 167
- Timing of outdoor unit rotation 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 168
- Emergency operation 168
- Restrictions for emergency operation 168
- Hhhhhh 169
- Hhhhlh 169
- In the case of 1 outdoor unit system rxyq8p a to 18p a 169
- In the case of multi outdoor unit system rxyq20p a to 54p a 169
- Demand operation 172
- Heating operation prohibition 172
- Hh hhhhhhh hhhh 172
- Hhhhhh hhhh 172
- Hhhhhhh hhh hhhhh hhh 172
- Hhhhhhh hhhhhh 172
- 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 173
- Drain pump control 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 173
- 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 173
- Outline of control indoor unit 173
- The drain pump is controlled by the on off buttons 4 button 1 4 given in the figure below 173
- When the float switch is tripped while the cooling thermostat is off 173
- When the float switch is tripped while the cooling thermostat is on 173
- 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 4 174
- 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 174
- Function 174
- Outline of control indoor unit si34 803_b 174
- When the float switch is tripped and af is displayed on the remote controller 174
- When the float switch is tripped during heating operation 174
- Louver control for preventing ceiling dirt 175
- Thermostat sensor in remote controller 176
- 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 178
- Function 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 178
- Outline of control indoor unit si34 803_b 178
- Thermostat control in dry operation 178
- Thermostat control while in normal operation 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 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 178
- While in dry operation the thermostat control is conducted according to a suction temperature at the time of starting the dry operation 178
- Electronic expansion valve control 179
- Hot start control in heating operation only 179
- Freeze prevention 180
- Heater control 180
- 1 l or ll only on fxfq models 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 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 181
- List of swing flap operations 181
- Residual operation time 100 seconds on ceiling suspended type or 60 seconds on other types 181
- Swing flaps operate as shown in table below 181
- 5 5 15 19 182
- Control of outdoor air processing unit unique control for outdoor air processing unit 182
- Details outdoor air processing unit 182
- Objective to select cooling heating or fan operation mode according to the suction air outdoor air temperature 182
- Selection of operation mode by suction air thermostat 182
- Discharge air 183
- Discharge air temperature control 183
- Ev ev ev ev ev ev 183
- Is ev possible to close 183
- Is ev possible to open 183
- Refrigerant 183
- Sh t3 t2 183
- Temp setting 183
- Discharge air 184
- Ev ev ev ev ev ev 184
- Is ev possible to close 184
- Is ev possible to open 184
- Refrigerant 184
- Sc tc t2 184
- Temp setting 184
- Yes yes 184
- Low outdoor air temperature protection control 185
- Outdoor unit pcb layout 91 3 field setting 92 186
- Part 5 test operation 186
- Test operation 76 186
- Below figure shows the installation process install in the order of the steps shown 187
- Installation process 187
- Test operation 187
- Check work prior to turn power supply on 188
- Follow the following procedure to conduct the initial test operation after installation 188
- Procedure and outline 188
- Be sure to turn the power on 6 hours before starting operation to protect compressors to power on crankcase heater 189
- Before starting the normal operation after the completion of check operations make sure indoor and outdoor units normally operate 189
- Check for normal operation 189
- Check the led display of the outdoor unit pcb 189
- Check to be sure the transmission is normal the transmission is normal if the leds display conditions as shown in table below 189
- Conduct check operations 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 189
- Make field settings with outdoor unit pcb 189
- Si34 803_b test operation 189
- Test operation 178 189
- 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 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 189
- Turn outdoor unit and indoor unit power on 189
- Turn power on 189
- 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 190
- Air tight test and vacuum drying 190
- Always use nitrogen gas for the air tight test 190
- Preparations 190
- Referring to figure 1 connect an nitrogen tank refrigerant tank and a vacuum pump to the outdoor unit 190
- See shutoff valve operation procedure for details on handling the shutoff valve refer to p 81 190
- 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 190
- The refrigerant charge port is connected to unit pipe when shipped the unit contains refrigerant so use caution when attaching the charge hose 190
- The shutoff valve and valve a c in figure 28 should be open or closed as shown in the table below 190
- Additional refrigerant charge and check operation 191
- Air tight test and vacuum drying method 191
- Before working 191
- Note total amount of refrigerant should be 100 kg or less 191
- After tightening the cap make sure no refrigerant gas is leaking 192
- Be sure to use the correct tools 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 192
- Shutoff valve operation procedure 192
- The shutoff valve is not a back seat type if forced it to open it might break the valve body 192
- When operating the shutoff valve follow the procedure instructed below 192
- When using a service port use the charge hose 192
- H h k h h h h 193
- How to check how many units are connected 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 193
- L h h h h h h 193
- L h h h k h k 193
- L h h k h h h 193
- L h l h l l h 193
- Note press the mode button bs1 if you get confused while operating this returns to setting mode 1 default 193
- Procedure of adding refrigerant charging and check operation 194
- 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 4 195
- 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 4 195
- 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 195
- Si34 803_b test operation 195
- Test operation 184 195
- 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 196
- 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 196
- Refrigerant charging operation procedure 196
- 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 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 197
- Check of refrigerant overcharge it takes about 40 minutes to complete the check operation 197
- Check of shutoff valve opening 197
- Check of wrong wiring 197
- Check operation procedure 197
- How to distinguish the master unit sub unit 1 and sub unit 2 in the multi system 197
- Judgement of piping length 197
- Note for check operation the following work will be performed 197
- If any malfunction codes other than the above are displayed check the service manual for how to respond 198
- Remote controller displays malfunction code 198
- Onsite settings 199
- Onsite settings with the power off 199
- Onsite settings with the power on 199
- Before test run 200
- Checks after test run 200
- Test run 200
- 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 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 201
- Operation when power is turned on 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 201
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 201
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pcb has been changed 201
- When turning on power first time 201
- When turning on power the second time and subsequent 201
- 1 micro computer normal monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs 202
- 2 set mode display led leds display mode according to the setting 202
- 3 mode setting switch used to change mode 202
- 4 local setting switch used to make field settings 202
- Outdoor unit pcb 202
- Outdoor unit pcb layout 202
- Field set mode 203
- Field setting 203
- Field setting from remote controller 203
- First code no 203
- Mode no 203
- Second code no 203
- Unit no 203
- Wired remote controller 203
- Brc1e61 204
- Caution 205
- First code no 206
- Mode no 206
- Second code no 206
- Setting to set the field settings you have to change 206
- To change the field settings proceed as follows 206
- Wireless remote controller 206
- Simplified remote controller 207
- Field setting si34 803_b 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 208
- Setting contents and code no 208
- Test operation 208
- Applicable range of field setting 209
- Refer to 3 outdoor air processing unit field setting remote controller on p 05 209
- Si34 803_b field setting 209
- Test operation 198 209
- 1 filter sign setting if switching the filter sign on time set as given in the table below set time 210
- 2 ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 210
- 3 selection of thermistor select the thermistor to control room temperature 210
- 4 filter cleaning displayed or not displayed whether or not to display filter cleaning after operation of certain duration can be selected 210
- Detailed explanation of setting modes 210
- 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 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 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 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 211
- 10 setting of operation mode to auto this setting makes it possible to change differential values for mode selection while in automatic operation mode 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 212
- 12 airflow when cooling thermostat is off this is used to set airflow to ll airflow when cooling thermostat is off 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 67 212
- 9 airflow setting when heating thermostat is off this setting is used to set airflow when heating thermostat is off 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 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 212
- The automatic operation mode setting is made by the use of the operation mode selector button 212
- 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 212
- 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 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 213
- In the case of fxaq 213
- In the case of fxfq100 125 213
- In the case of fxfq100 125 all round outlet 213
- In the case of fxfq25 80 213
- In the case of fxfq25 80 all round outlet 213
- In the case of fxhq 213
- Way 3 way 2 way outlets 213
- 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 01 214
- 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 214
- 16 setting of airflow direction adjustment range make the following airflow direction setting according to the respective purpose 214
- 17 setting of the static pressure selection 214
- In the case of fxdq20 32pb fxdq40 63nb 214
- In the case of fxuq71 125 214
- Some indoor unit models are not equipped with draft prevention upward function 214
- 18 external static pressure settings for fxmq p model 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 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 215
- 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 215
- Note bold face in indicates the factory setting 216
- Outdoor air processing unit field setting remote controller 216
- Centralized control group no setting 217
- 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 218
- For setting group no of hrv and wiring adaptor for other air conditioners etc refer to the instruction manual attached 218
- 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 218
- Brc7c type brc7e type brc4c type 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 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 219
- Group no setting example 219
- Si34 803_b field setting 219
- Test operation 208 219
- Contents of control modes 220
- Setting of operation control mode from remote controller local setting 220
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 221
- Factory setting 221
- 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 221
- Field setting from outdoor unit 222
- 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 222
- For setting items of 1 refer to detailed information provided on p 23 onward 223
- Caution 224
- Dip switch detail 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 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 224
- Initial conditions of dip switches 224
- Make the following settings according to models of outdoor units all models are set to off at factory 224
- Refer ds1 1 4 ds2 1 4 setting detail on next page 224
- 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 1 224
- Detail of ds1 1 4 ds2 1 4 setting for overseas general 225
- A setting mode 1 227
- H h k h h h h 227
- Procedure for changing cool heat selection setting 227
- Si34 803_b field setting 227
- Test operation 216 227
- 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 227
- B setting mode 2 228
- C monitor mode 232
- Cool heat mode switching 234
- For the details refer to the installation manual supplied together with the indoor unit 234
- In the case of wired remote controllers 234
- In the case of wireless remote controllers 234
- It does not matter whether or not there is outdoor outdoor unit wiring 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 234
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller 234
- Set cool heat separately for each outdoor unit system by cool heat selector 234
- Set cool heat separately for each outdoor unit system by indoor unit remote controller 234
- Set cool heat switching to ind individual for setting mode 1 factory setting 234
- Set outdoor unit pcb ds1 1 to in factory setting 234
- Set the master unit indoor unit having the right to select the cooling heating operation mode 234
- There are the following 4 cool heat switching modes 234
- Multi outdoor units connection 236
- Multi outdoor units connection 237
- Address setting for 238
- Kh hhhhh 238
- Kh hhhhk 238
- Kh hhhkh 238
- Kh hhhkk 238
- Kh hhkhh 238
- Kh kkkkk 238
- Set lower 5 digits with binary number no to no 1 238
- 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 238
- Setting of low noise operation and demand operation 239
- Image of operation in the case of a 240
- Image of operation in the case of a and b 240
- Image of operation in the case of b 240
- 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 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 241
- However the demand operation does not occur in the following operation modes 241
- If carrying out demand or low noise input connect the adaptor s terminals as shown below 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 241
- Startup control oil return operation defrosting operation pump down residual operation 241
- Field setting si34 803_b 242
- Image of operation in the case of a 242
- Image of operation in the case of a and b 242
- Image of operation in the case of b 242
- Test operation 242
- Setting of refrigerant recovery mode 245
- Check operation detail 246
- H h k h h h h 246
- H l h h h h k 246
- H l h h h k h 246
- H l h h h k k 246
- H l h h k h h 246
- H l h h k h k 246
- H l h h k k h 246
- H l h h k k k 246
- H l h k h h h 246
- H l h k h h k 246
- H l h k h k h 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 246
- Operating procedure 246
- Press mode button bs1 once and reset setting mode 2 246
- Setting of vacuuming mode 246
- Use the vacuum pump to perform vacuuming operation 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 246
- Part 6 troubleshooting 247
- Symptom based troubleshooting 39 2 troubleshooting by remote controller 42 247
- Troubleshooting by indication on the remote controller 57 247
- Troubleshooting op centralized remote controller 42 248
- Troubleshooting op unified on off controller 50 249
- Symptom based troubleshooting 250
- Procedure of self diagnosis by remote controller 253
- Troubleshooting by remote controller 253
- Wired remote controller brc1d61 253
- 1 checking a malfunction or warning 254
- 2 taking corrective action 254
- Press the menu enter button to check the error code 254
- Take the corrective action specific to the model 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 254
- Wired remote controller brc1e61 254
- 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 255
- Wireless remote controller 255
- Brc1d61 257
- Inspection mode 257
- Note inspection mode is not available for brc1e61 257
- Si34 803_b troubleshooting by remote controller 257
- Troubleshooting 246 257
- Brc1d61 258
- Display service data 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 258
- Field setting mode first code no 258
- Mode no 258
- Second code no 258
- Service mode 258
- Unit no 258
- 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 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 259
- Service setting 259
- Basic screen is displayed 260
- Brc1e61 260
- Field setting menu is displayed 260
- Item 2 is displayed 260
- Operating the remote controller allows service data to be acquired and various services to be set 260
- Press and hold cancel button for 4 seconds or more 260
- Press cancel button 260
- Press cancel button once 260
- Select the desired item from the service menu and then press menu enter button 260
- Select the desired unit no using the up down buttons the corresponding data will be displayed 260
- Service menu is displayed 260
- Malfunction codes and description 262
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 263
- Detail description on next page 264
- Malfunction code indication by outdoor unit pcb 264
- Push the mode bs1 button and returns to setting mode 1 264
- Push the return bs3 button and switches to the initial status of monitor mode 264
- Push the return bs3 button once to display first digit of malfunction code 264
- Push the set bs2 button and set the led display to a setting item 264
- Push the set bs2 button once to display malfunction location 264
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 264
- Push the set bs2 button once to display second digit of malfunction code 264
- Refer to p 20 for monitor mode 264
- To enter the monitor mode push the mode bs1 button when in setting mode 1 264
- Troubleshooting 264
- Troubleshooting by remote controller si34 803_b 264
- Si34 803_b troubleshooting by remote controller 265
- Troubleshooting 254 265
- Detail description on next page 266
- Push the mode bs1 button and returns to setting mode 1 266
- Push the return bs3 button and switches to the initial status of monitor mode 266
- Push the return bs3 button once to display first digit of malfunction code 266
- Push the set bs2 button and set the led display to a setting item 266
- Push the set bs2 button once to display malfunction location 266
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 266
- Push the set bs2 button once to display second digit of malfunction code 266
- Refer to p 20 for monitor mode 266
- To enter the monitor mode push the mode bs1 button when in setting mode 1 266
- Troubleshooting 266
- Troubleshooting by remote controller si34 803_b 266
- Si34 803_b troubleshooting by remote controller 267
- Troubleshooting 256 267
- Indoor unit error of external protection device 268
- Troubleshooting by indication on the remote controller 268
- Indoor unit pcb defect 269
- Indoor unit malfunction of drain level control system s1l 270
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 271
- Si34 803_b troubleshooting by indication on the remote controller 271
- Troubleshooting 271
- Troubleshooting 260 271
- Applicable models all indoor units except fxmq p 272
- Detection by failure of signal for detecting number of turns to come from the fan motor 272
- Disconnected or faulty wiring between fan motor and pcb 272
- Fan motor lock 272
- Indoor unit fan motor m1f lock overload 272
- Malfunction decision conditions 272
- Method of malfunction detection 272
- Remote controller display 272
- Supposed causes 272
- Troubleshooting 272
- When number of turns can not be detected even when output voltage to the fan is maximum 272
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 274
- Troubleshooting 274
- Troubleshooting by indication on the remote controller si34 803_b 274
- Si34 803_b troubleshooting by indication on the remote controller 275
- Troubleshooting 264 275
- Indoor unit malfunction of swing flap motor m1s 276
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 277
- Si34 803_b troubleshooting by indication on the remote controller 277
- Troubleshooting 277
- Troubleshooting 266 277
- Abnormal power supply voltage 278
- Applicable models all indoor unit models 279
- Defect of connecting cable 279
- Defect of indoor unit pcb 279
- Indoor unit malfunction of electronic expansion valve coil y1e 279
- Malfunction decision conditions 279
- Malfunction of electronic expansion valve coil 279
- Method of malfunction detection 279
- Remote controller display 279
- Supposed causes 279
- Troubleshooting 279
- Use a micro computer to check the electronic expansion valve for coil conditions 279
- When the pin input of the electronic expansion valve is not normal while in the initialization of the micro computer 279
- Continuity no continuity 280
- Method for the electronic expansion valve coil disconnect the electronic expansion valve from the pcb and check the continuity between the connector pins 280
- Normal 280
- Indoor unit drain level above limit 281
- Indoor unit malfunction of capacity determination device 282
- Indoor unit failure of transmission between indoor unit pcb and fan pcb 283
- After confirmation turn off the power take off the short circuit and connect x70a back to original condition 284
- Determination 01 normal other than 01 transmission defect on indoor unit pcb 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 41 284
- Pull out and insert the connecter once and check it is absolutely connected 284
- Troubleshooting 284
- Troubleshooting by indication on the remote controller si34 803_b 284
- Applicable models all indoor unit models 285
- Defect of indoor unit pcb 285
- Defect of thermistor r2t for liquid pipe 285
- Indoor unit malfunction of thermistor r2t for liquid pipe 285
- Malfunction decision conditions 285
- Malfunction detection is carried out by temperature detected by liquid pipe thermistor 285
- Method of malfunction detection 285
- Refer to thermistor resistance temperature characteristics table on p 26 285
- Remote controller display 285
- Supposed causes 285
- Troubleshooting 285
- When the liquid pipe thermistor becomes disconnected or shorted while the unit is running 285
- Applicable models all indoor unit models 286
- Defect of indoor unit pcb 286
- Defect of indoor unit thermistor r3t for gas pipe 286
- Indoor unit malfunction of thermistor r3t for gas pipe 286
- Malfunction decision conditions 286
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 286
- Method of malfunction detection 286
- Refer to thermistor resistance temperature characteristics table on p 26 286
- Remote controller display 286
- Supposed causes 286
- Troubleshooting 286
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 286
- Indoor unit failure of combination between indoor unit pcb and fan pcb 287
- Applicable models all indoor unit models 288
- Defect of indoor unit pcb 288
- Defect of indoor unit thermistor r1t for air inlet 288
- Indoor unit malfunction of thermistor r1t for suction air 288
- Malfunction decision conditions 288
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 288
- Method of malfunction detection 288
- Refer to thermistor resistance temperature characteristics table on p 26 288
- Remote controller display 288
- Supposed causes 288
- Troubleshooting 288
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 288
- Applicable models fxfq 289
- Disconnection 289
- Even if a malfunction occurs operation still continues malfunction is detected according to the moisture output voltage detected by the moisture sensor 289
- Faulty sensor 289
- Indoor unit malfunction of humidity sensor system 289
- Malfunction decision conditions 289
- Method of malfunction detection 289
- Remote controller display 289
- Supposed causes 289
- Troubleshooting 289
- When the moisture sensor is disconnected or short circuited 289
- Indoor unit malfunction of thermostat sensor in remote controller 290
- Outdoor unit pcb defect 291
- Outdoor unit actuation of high pressure switch 292
- 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 293
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 293
- Si34 803_b troubleshooting by indication on the remote controller 293
- Troubleshooting 293
- Troubleshooting 282 293
- Outdoor unit actuation of low pressure sensor 294
- 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 295
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 295
- Si34 803_b troubleshooting by indication on the remote controller 295
- Troubleshooting 295
- Troubleshooting 284 295
- Outdoor unit inverter compressor motor lock 296
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 297
- Si34 803_b troubleshooting by indication on the remote controller 297
- Troubleshooting 297
- Troubleshooting 286 297
- Abnormal case 298
- Applicable models rxyq5p a 54p a 298
- Closed stop value 298
- Detects the overcurrent with current sensor ct 298
- Faulty compressor 298
- Faulty current sensor a6p a7p 298
- Faulty magnetic switch 298
- Improper power voltage 298
- Malfunction decision conditions 298
- Malfunction is decided when the detected current value exceeds the below mentioned value for 2 seconds 298
- Method of malfunction detection 298
- Obstacles at the air outlet 298
- Outdoor unit std compressor motor overcurrent lock 298
- Remote controller display 298
- Supposed causes 298
- The current sensor value is 0 during std compressor operation 298
- The current sensor value is more than 15 a during std compressor stop 298
- Troubleshooting 298
- V class unit 15 a 298
- V class unit 28 a 298
- Outdoor unit malfunction of outdoor unit fan motor 299
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 300
- Troubleshooting 300
- Troubleshooting by indication on the remote controller si34 803_b 300
- Note refer to check 1 and 2 on p 56 301
- Si34 803_b troubleshooting by indication on the remote controller 301
- Troubleshooting 301
- Troubleshooting 290 301
- Outdoor unit malfunction of electronic expansion valve coil y1e y2e 302
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 303
- Si34 803_b troubleshooting by indication on the remote controller 303
- Troubleshooting 303
- Troubleshooting 292 303
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 304
- Applicable models rxyq5p a 54p a 304
- Faulty connection of discharge pipe temperature sensor 304
- Faulty discharge pipe temperature sensor 304
- Faulty outdoor unit pcb 304
- Malfunction decision conditions 304
- Method of malfunction detection 304
- Outdoor unit abnormal discharge pipe temperature 304
- Refer to thermistor resistance temperature characteristics table on p 27 304
- Remote controller display 304
- Supposed causes 304
- Troubleshooting 304
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 304
- Outdoor unit refrigerant overcharged 305
- Abnormal fan motor signal circuit malfunction 306
- Applicable models rxyq5p a 54p a 306
- Broken short circuited or disconnection connector of fan motor connection cable 306
- Detection of abnormal signal from fan motor 306
- Disconnect connector x2a and measure the following resistance 306
- Fan inverter pcb malfunction 306
- In case of detection of abnormal signal at starting fan motor 306
- Malfunction decision conditions 306
- Method of malfunction detection 306
- Outdoor unit abnormal outdoor fan motor signal 306
- Remote controller display 306
- Supposed causes 306
- Troubleshooting 306
- Applicable models rxyq5p a 54p a 307
- Defect of outdoor unit pcb a1p 307
- Defect of thermistor r1t for outdoor air 307
- Malfunction decision conditions 307
- Malfunction is detected from the temperature detected by the outdoor air thermistor 307
- Method of malfunction detection 307
- Outdoor unit malfunction of thermistor r1t for outdoor air 307
- Refer to thermistor resistance temperature characteristics table on p 26 307
- Remote controller display 307
- Supposed causes 307
- Troubleshooting 307
- When the outside air temperature thermistor has short circuit or open circuit 307
- Applicable models rxyq5p a 54p a 308
- Faulty current sensor a6p a7p 308
- Faulty outdoor unit pcb 308
- Malfunction decision conditions 308
- Malfunction is detected according to the current value detected by current sensor 308
- Method of malfunction detection 308
- Outdoor unit current sensor malfunction 308
- Remote controller display 308
- Supposed causes 308
- Troubleshooting 308
- When the current value detected by current sensor becomes 5a or lower or 40a or more during standard compressor operation 308
- Applicable models rxyq5p a 54p a 309
- Defect of outdoor unit pcb a1p 309
- Defect of thermistor connection 309
- Defect of thermistor r31t r32t or r33t for outdoor unit discharge pipe 309
- Malfunction decision conditions 309
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 309
- Method of malfunction detection 309
- Note 5 hp class r3t 8 12 hp class r31t r32t 14 16hp class r31t r32t and r33t 309
- Outdoor unit malfunction of discharge pipe thermistor r3t r31t r33t 309
- Refer to thermistor resistance temperature characteristics table on p 27 309
- Remote controller display 309
- Supposed causes 309
- The alarm indicator is displayed when the fan is being used also 309
- Troubleshooting 309
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 309
- Outdoor unit malfunction of thermistor r2t r7t for suction pipe 310
- Applicable models rxyq5p a 54p a 311
- Defect of outdoor unit pcb a1p 311
- Defect of thermistor connection 311
- Defect of thermistor r4t for outdoor unit coil 311
- Malfunction decision conditions 311
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 311
- Method of malfunction detection 311
- Outdoor unit malfunction of thermistor r4t for outdoor unit heat exchanger 311
- Refer to thermistor resistance temperature characteristics table on p 26 311
- Remote controller display 311
- Supposed causes 311
- Troubleshooting 311
- When a short circuit or an open circuit in the heat exchanger thermistor is detected 311
- Applicable models rxyq5p a 54p a 312
- Defect of thermistor connection 312
- Faulty liquid pipe thermistor r6t 312
- Faulty outdoor unit pcb 312
- Malfunction decision conditions 312
- Malfunction is detected according to the temperature detected by liquid pipe thermistor 312
- Method of malfunction detection 312
- Outdoor unit malfunction of liquid pipe thermistor r6t 312
- Refer to thermistor resistance temperature characteristics table on p 26 312
- Remote controller display 312
- Supposed causes 312
- Troubleshooting 312
- When the liquid pipe thermistor is short circuited or open circuited 312
- Applicable models rxyq5p a 54p a 313
- Faulty outdoor unit pcb 313
- Faulty subcooling heat exchanger gas pipe thermistor r5t 313
- Malfunction decision conditions 313
- Malfunction is detected according to the temperature detected by subcooling heat exchanger gas pipe thermistor 313
- Method of malfunction detection 313
- Outdoor unit malfunction of subcooling heat exchanger gas pipe thermistor r5t 313
- Refer to thermistor resistance temperature characteristics table on p 26 313
- Remote controller display 313
- Supposed causes 313
- Troubleshooting 313
- When the subcooling heat exchanger gas pipe thermistor is short circuited or open circuited 313
- Applicable models rxyq5p a 54p a 314
- Connection of low pressure sensor with wrong connection 314
- Defect of high pressure sensor system 314
- Defect of outdoor unit pcb 314
- Malfunction decision conditions 314
- Malfunction is detected from the pressure detected by the high pressure sensor 314
- Method of malfunction detection 314
- Outdoor unit malfunction of high pressure sensor 314
- Refer to pressure sensor pressure voltage characteristics table on p 28 314
- Remote controller display 314
- Supposed causes 314
- Troubleshooting 314
- Voltage measurement point 314
- When the high pressure sensor is short circuit or open circuit 314
- Outdoor unit malfunction of low pressure sensor 315
- Actuation of fin thermal actuates above 93 c 316
- Applicable models rxyq5p a 54p a 316
- Defect of fin thermistor 316
- Defect of inverter pcb 316
- Fin temperature is detected by the thermistor of the radiation fin 316
- Malfunction decision conditions 316
- Method of malfunction detection 316
- Outdoor unit malfunction of inverter radiating fin temperature rise 316
- Remote controller display 316
- Supposed causes 316
- Troubleshooting 316
- When the temperature of the inverter radiation fin increases above 93 c 316
- Inverter pcb for compressor 317
- Refer to thermistor resistance temperature characteristics table on p 26 317
- Outdoor unit inverter compressor abnormal 318
- Si34 803_b troubleshooting by indication on the remote controller 319
- Troubleshooting 319
- Troubleshooting 308 319
- Applicable models rxyq5p a 54p a 320
- Compressor coil disconnected 320
- Compressor overload 320
- Defect of inverter pcb 320
- Faulty compressor 320
- Malfunction decision conditions 320
- Malfunction is detected by current flowing in the power transistor 320
- Method of malfunction detection 320
- Outdoor unit inverter current abnormal 320
- Remote controller display 320
- Supposed causes 320
- Troubleshooting output current check 320
- When overload in the compressor is detected inverter secondary current 16 a y1 yl and 27 a tl 320
- Si34 803_b troubleshooting by indication on the remote controller 321
- Troubleshooting 321
- Troubleshooting 310 321
- Applicable models rxyq5p a 54p a 322
- Defect of compressor 322
- Defect of inverter pcb 322
- Failure to open the stop valve 322
- Faulty compressor connection 322
- Malfunction decision conditions 322
- Method of malfunction detection 322
- Outdoor unit inverter start up error 322
- Pressure differential start 322
- Remote controller display 322
- Supposed causes 322
- This malfunction code will be output if overcurrent occurs at the time of startup 322
- Troubleshooting 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 322
- Si34 803_b troubleshooting by indication on the remote controller 323
- Troubleshooting 323
- Troubleshooting 312 323
- Outdoor unit malfunction of transmission between inverter and control pcb 324
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 325
- Si34 803_b troubleshooting by indication on the remote controller 325
- Troubleshooting 325
- Troubleshooting 314 325
- Troubleshooting 326
- Troubleshooting by indication on the remote controller si34 803_b 326
- Applicable models rxyq5p a 54p a 327
- Defect of inverter pcb 327
- Defect of k2 relay in inverter pcb 327
- Defect of main circuit capacitor 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 327
- Improper main circuit wiring 327
- Malfunction decision conditions 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 327
- Method of malfunction detection 327
- Open phase 327
- Outdoor unit inverter over ripple protection 327
- Remote controller display 327
- Supposed causes 327
- Troubleshooting 327
- Voltage imbalance between phases 327
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status 327
- Applicable models rxyq5p a 54p a 328
- Defect of inverter pcb 328
- Defect of radiator fin temperature sensor 328
- Malfunction decision conditions 328
- Malfunction is not decided while the unit operation is continued p4 will be displayed by pressing the inspection button 328
- Method of malfunction detection 328
- Outdoor unit malfunction of inverter radiating fin temperature rise sensor 328
- Remote controller display 328
- Resistance of radiation fin thermistor is detected when the compressor is not operating 328
- Supposed causes 328
- Troubleshooting 328
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status 328
- Inverter pcb for compressor 329
- Refer to thermistor resistance temperature characteristics table on p 26 329
- Applicable models rxyq5p a 54p a 330
- Faulty or no field setting after replacing main pcb 330
- Malfunction decision conditions 330
- Method of malfunction detection 330
- Mismatching of type of pcb 330
- Outdoor unit faulty field setting after replacing main pcb or faulty combination of pcb 330
- Remote controller display 330
- Supposed causes 330
- The faulty or no field setting after replacing pcb or faulty pcb combination is detected through communications with the inverter 330
- Troubleshooting 330
- Whether or not the field setting or the type of the pcb is correct through the communication date is judged 330
- Applicable models rxyq5p a 54p a 331
- Defect of low pressure sensor 331
- Defect of outdoor unit pcb a1p 331
- Defect of thermistor r7t or r4t 331
- Malfunction decision conditions 331
- Malfunction is not decided while the unit operation is continued 331
- Method of malfunction detection 331
- Micro computer judge and detect if the system is short of refrigerant 331
- Outdoor unit low pressure drop due to refrigerant shortage or electronic expansion valve failure 331
- Refer to pressure sensor pressure voltage characteristics table on p 28 331
- Refer to thermistor resistance temperature characteristics table on p 26 331
- Remote controller display 331
- Shortage of gas malfunction is detected by discharge pipe temperature thermistor 331
- Shortage of gas or refrigerant system clogging incorrect piping 331
- Supposed causes 331
- Troubleshooting 331
- Applicable models rxyq5p a 54p a 332
- Defect of outdoor unit pcb a1p 332
- Malfunction decision conditions 332
- Method of malfunction detection 332
- Power supply open phase 332
- Power supply reverse phase 332
- Remote controller display 332
- Reverse phase open phase 332
- Supposed causes 332
- The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged 332
- Troubleshooting 332
- When a significant phase difference is made between phases 332
- Outdoor unit power supply insufficient or instantaneous failure 333
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 334
- Troubleshooting 334
- Troubleshooting by indication on the remote controller si34 803_b 334
- Si34 803_b troubleshooting by indication on the remote controller 335
- Troubleshooting 335
- Troubleshooting 324 335
- Applicable models rxyq5p a 54p a 336
- Check operation is executed or not 336
- Check operation is not executed 336
- Malfunction decision conditions 336
- Malfunction is decided when the unit starts operation without check operation 336
- Method of malfunction detection 336
- Outdoor unit check operation is not executed 336
- Remote controller display 336
- Supposed causes 336
- Troubleshooting 336
- Malfunction of transmission between indoor units 337
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 338
- Troubleshooting 338
- Troubleshooting by indication on the remote controller si34 803_b 338
- Applicable models all models of indoor units 339
- Connection of two main remote controllers when using 2 remote controllers 339
- Defect of indoor unit pcb 339
- Defect of remote controller pcb 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 339
- Indoor unit malfunction of transmission between remote controller and indoor unit 339
- Malfunction decision conditions 339
- Malfunction of indoor unit remote controller transmission 339
- Malfunction of transmission caused by noise 339
- Method of malfunction detection 339
- Normal transmission does not continue for specified period 339
- Remote controller display 339
- Supposed causes 339
- Troubleshooting 339
- Indoor unit malfunction of transmission between outdoor units 340
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 341
- Si34 803_b troubleshooting by indication on the remote controller 341
- Troubleshooting 341
- Troubleshooting 330 341
- Applicable models all models of indoor units 342
- Connection between sub remote controllers 342
- Defect of remote controller pcb 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 342
- Indoor unit malfunction of transmission between main and sub remote controllers 342
- Malfunction decision conditions 342
- Malfunction of transmission between main and sub remote controller 342
- Method of malfunction detection 342
- Normal transmission does not continue for specified period 342
- Remote controller display 342
- Supposed causes 342
- Troubleshooting 342
- Indoor unit malfunction of transmission between indoor and outdoor units in the same system 343
- Improper combination of indoor and outdoor units indoor units and remote controller 344
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 345
- Si34 803_b troubleshooting by indication on the remote controller 345
- The number of indoor units that can be connected to a single outdoor unit system depends on the model of outdoor unit 345
- Troubleshooting 345
- Troubleshooting 334 345
- Address duplication of centralized controller 346
- Malfunction of transmission between centralized controller and indoor unit 347
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 348
- Troubleshooting 348
- Troubleshooting by indication on the remote controller si34 803_b 348
- Si34 803_b troubleshooting by indication on the remote controller 349
- Troubleshooting 349
- Troubleshooting 338 349
- Applicable models all models of indoor units rxyq5p a 54p a 350
- Defect of indoor unit pcb 350
- Failure to execute check operation 350
- Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units 350
- Malfunction decision conditions 350
- Method of malfunction detection 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 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 350
- Remote controller display 350
- Stop valve is left in closed 350
- Supposed causes 350
- System is not set yet 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 350
- Troubleshooting 350
- Malfunction of system refrigerant system address undefined 351
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 352
- Troubleshooting 352
- Troubleshooting by indication on the remote controller si34 803_b 352
- Pcb defect 353
- Troubleshooting op centralized remote controller 353
- Malfunction of transmission between optional controllers for centralized control 354
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 355
- Si34 803_b troubleshooting op centralized remote controller 355
- Troubleshooting 355
- Troubleshooting 344 355
- Improper combination of optional controllers for centralized control 356
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 357
- Si34 803_b troubleshooting op centralized remote controller 357
- Troubleshooting 357
- Troubleshooting 346 357
- Address duplication improper setting 358
- Address duplication of centralized controller 358
- Applicable models centralized remote controller intelligent touch controller schedule timer 358
- Detect the malfunction according to diii net transmission data 358
- Malfunction decision conditions 358
- Method of malfunction detection 358
- Remote controller display 358
- Supposed causes 358
- Troubleshooting 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 358
- Two units of schedule timers are connected 358
- Master slave unit setting table combination of intelligent touch controller and centralized remote controller 359
- Master unit central connector setting table 359
- Si34 803_b troubleshooting op centralized remote controller 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 359
- Troubleshooting 348 359
- Operation lamp blinks 361
- Troubleshooting op unified on off controller 361
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 362
- Troubleshooting 362
- Troubleshooting op unified on off controller si34 803_b 362
- Display under centralized control blinks repeats single blink 363
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 364
- Troubleshooting 364
- Troubleshooting op unified on off controller si34 803_b 364
- Si34 803_b troubleshooting op unified on off controller 365
- Troubleshooting 354 365
- Applicable models unified on off controller 366
- Central control address group no is not set for indoor unit 366
- Detect the malfunction according to diii net transmission data 366
- Display under centralized control blinks repeats double blink 366
- Improper control range setting switch 366
- Improper wiring of transmission wiring 366
- Malfunction decision conditions 366
- Method of malfunction detection 366
- Remote controller display 366
- Supposed causes 366
- Troubleshooting 366
- Troubleshooting op unified on off controller si34 803_b 366
- Under centralized control repeats double blink 366
- When no centralized control addresses are set to indoor units when no indoor units are connected within the control range 366
- 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 367
- Check 1 367
- Check 2 367
- 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 367
- Si34 803_b troubleshooting op unified on off controller 367
- Troubleshooting 356 367
- Check 3 368
- Check for causes of rise in high pressure referring to the fault tree analysis fta shown below probe the faulty points 368
- Troubleshooting 368
- Troubleshooting op unified on off controller si34 803_b 368
- Check 4 369
- Check for causes of drop in low pressure referring to the fault tree analysis fta shown below probe the faulty points 369
- Si34 803_b troubleshooting op unified on off controller 369
- Troubleshooting 358 369
- 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 29 370
- List of electrical and functional parts 02 370
- Option list 18 370
- Part 7 appendix 370
- Piping diagrams 60 370
- Piping installation point 22 370
- Wiring diagrams for reference 71 370
- Outdoor unit 371
- Piping diagrams 371
- Rxyq5pay1 371
- Rxyq5ptl rxyq5payl 372
- Rxyq8pay1 373
- Rxyq8ptl rxyq8payl 374
- Rxyq10pa 12pay1 375
- Rxyq10p 12ptl rxyq10pa 12payl 376
- Appendix 366 377
- D050785c 377
- Rxyq14p 16p 18ptl rxyq14pa 16pa 18pay1 rxyq14pa 16pa 18payl 377
- Si34 803_b piping diagrams 377
- Electronic expansion valve filter filter 378
- Flare connectio 378
- Flare connection 378
- Fxcq fxfq fxkq fxsq fxmq fxhq fxaq fxlq fxnq 378
- Gas piping connection port 378
- Heat exchanger 378
- Indoor unit 378
- Liquid piping connection port 378
- Φ 15 or less attached piping above φ 19 378
- Electronic expansion valve 379
- Filter filter 379
- Fxmq20p 25p 32p 40p 50p 63p 80p 100p 125p 140pve 379
- Gas side 379
- Indoor heat exchanger 379
- Liquid side 379
- Refrigerant pipe connection port diameters 379
- Fxmq125mf 200mf 250mfv1 380
- Refrigerant pipe connection port diameters 380
- Connection unit 381
- Fxuq bevq 381
- Indoor unit 381
- Appendix 382
- Outdoor unit 382
- Rxyq5pay1 rxyq5payl 382
- Wiring diagrams for reference 382
- Wiring diagrams for reference si34 803_b 382
- Appendix 372 383
- D060626b 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 383
- Rxyq5ptl 383
- Si34 803_b wiring diagrams for reference 383
- Appendix 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 384
- Rxyq8pay1 rxyq8payl 384
- Wiring diagrams for reference si34 803_b 384
- Appendix 374 385
- D060627b 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 385
- Rxyq8ptl 385
- Si34 803_b wiring diagrams for reference 385
- Appendix 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 386
- Rxyq10pay1 rxyq10payl 386
- Wiring diagrams for reference si34 803_b 386
- Appendix 376 387
- D060629b 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 387
- Rxyq10ptl 387
- Si34 803_b wiring diagrams for reference 387
- Appendix 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 388
- Rxyq12pay1 rxyq12payl 388
- Wiring diagrams for reference si34 803_b 388
- Appendix 378 389
- D060630b 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 389
- Rxyq12ptl 389
- Si34 803_b wiring diagrams for reference 389
- Appendix 390
- D060911a 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 390
- Rxyq14pa 16pa 18pay1 rxyq14pa 16pa 18payl 390
- Wiring diagrams for reference si34 803_b 390
- A2p magnetic relay e3hc v1cp safety devices input k9r 391
- A3p v1r diode bridge a2p k84r 391
- A5p motor compressor power module a2p 391
- Appendix 380 391
- D060632b 391
- E1hc 3hc 391
- Electronic expansion valve main 391
- F1u f2u 391
- L1 red l2 wht l3 blu 391
- M1c 3c 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 391
- Magnetic relay current limiting 391
- Magnetic relay e2hc current sensor a4p a6p a1p t1a k8r 391
- Motor fan connector m1f m2f x1a 4a bs1 5 391
- Phase reversal detect circuit q1rp c1 x1m terminal strip control a1p 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 391
- Printed circuit board main printed circuit board inv printed circuit board abc i p 391
- Ps x1m terminal strip power supply 391
- Resistor current limiting ds1 x1m terminal strip abc i p a3p r1 391
- Resistor current sensor a2p f1u y2e r112 391
- Resistor current sensor a2p y1s solenoid valve hotgas r502 391
- Resistor current sensor a5p 391
- Rxyq14p 16p 18ptl 391
- S1s s1npl k5r 391
- Selector switch fan cool heat 391
- Si34 803_b wiring diagrams for reference 391
- Switching power supply a1p a2p 391
- Thermistor air a1p y2s r1t solenoid valve oil h1p 8p 391
- 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 391
- Thermistor heat exc deicer r4t 391
- Thermistor heat exc outlet r5t 391
- Thermistor liq pipe r6t k3r thermistor accumulator r7t pressure sensor high cool heat selector s1nph k4r pressure sensor low 391
- V1r reactor power module a5p l1r 391
- Field wiring 392
- Rxyq5pa 8pa 10pa 12pa 14pa 16pa 18pay1 rxyq5pa 8pa 10pa 12pa 14pa 16pa 18payl 392
- Appendix 382 393
- Rxyq5p 8p 10p 12p 14p 16p 18ptl 393
- Si34 803_b wiring diagrams for reference 393
- Rxyq20pa 22pa 24pa 26pa 28pa 30pa 32pay1 rxyq20pa 22pa 24pa 26pa 28pa 30pa 32payl 394
- Appendix 384 395
- Rxyq20p 22p 24p 26p 28p 30p 32ptl 395
- Si34 803_b wiring diagrams for reference 395
- Rxyq34pa 36pa 38pa 40pa 42pa 44pa 46pa 48pa 50pa 52pa 54pay1 rxyq34pa 36pa 38pa 40pa 42pa 44pa 46pa 48pa 50pa 52pa 54payl 396
- Appendix 386 397
- Rxyq34p 36p 38p 40p 42p 44p 46p 48p 50p 52p 54ptl 397
- Si34 803_b wiring diagrams for reference 397
- A1p a2p 398
- A4p a3p 398
- Appendix 398
- C1 f1u 398
- Capacitor 398
- Connector for optional parts 398
- D059890a 398
- Diode bridge 398
- Electronic expansion valve 398
- Ferrite core 398
- Float switch 398
- Fuse f 5a 250v 398
- Fxfq25p 32p 40p 50p 63p 80p 100p 125pve 398
- Indoor unit 398
- Light emitting diode 398
- M1s r1t r2t r3t r4t 398
- Magnetic relay 398
- Noise filter 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 398
- S1l v1r 398
- Selector switch main sub 398
- Selector switch wireless address set 398
- Service monitor green 398
- Terminal strip 398
- Thermistor air 398
- Thermistor coil liquid 398
- Thermistor ptc 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 398
- Wiring diagrams for reference si34 803_b 398
- Fxcq20m 25m 32m 63mve 399
- Fxcq40m 50m 80m 125mve 400
- Fxkq25ma 32ma 40ma 63mave 401
- Appendix 402
- Fxdq20pb 25pb 32pb fxdq40nb 50nb 63nbve with drain pump 402
- Wiring diagrams for reference si34 803_b 402
- Appendix 392 403
- Fxdq20pb 25pb 32pb fxdq40nb 50nb 63nbvet without drain pump 403
- Si34 803_b wiring diagrams for reference 403
- Appendix 404
- D039561b 404
- Fxsq20m 25m 32m 40m 50m 63m 80m 100m 125mve 404
- Hu k1m s1h x3m 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 404
- Indoor unit printed circuit board a1p a2p c1 f1u hap 404
- Kcr kfr khr khur 404
- Kpr m1f m1p q1m 404
- Magnetic relay e1h 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 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 404
- R1t ss1 404
- S1l t1r x1m x2m y1e 404
- Terminal board capacitor m1f fuse 5a 250v 404
- Wiring diagrams for reference si34 803_b 404
- X16a x18a 404
- Fxmq20p 25p 32p 40p 50p 63p 80p 100p 125p 140pve 405
- Fxmq200ma 250mave 406
- Fxhq32ma 63ma 100mave 407
- Appendix 408
- Fxaq20ma 25ma 32mave 40ma 50ma 63mave 408
- Wiring diagrams for reference si34 803_b 408
- Fxlq20ma 25ma 32ma 40ma 50ma 63mave fxnq20ma 25ma 32ma 40ma 50ma 63mave 409
- Fxuq71ma 100ma 125mav1 410
- Fxmq125mf 200mf 250mfv1 411
- Bevq71ma 100ma 125mave 412
- List of electrical and functional parts 413
- Outdoor unit 413
- Rxyq5pay1 8pay1 413
- Rxyq10pay1 12pay1 414
- Outdoor unit 60hz 416
- Rxyq5 8payl ptl 416
- Rxyq10 12payl ptl 418
- Rxyq14 16 18payl ptl 420
- Appendix 422
- C off 87 c on 422
- Indoor unit 422
- List of electrical and functional parts si34 803_b 422
- Appendix 412 423
- Only for fxdq20 63n b ve fxdq20 32pbve with drain pump type 423
- Si34 803_b list of electrical and functional parts 423
- Appendix 424
- List of electrical and functional parts si34 803_b 424
- Appendix 414 425
- K ω 25 c 425
- Si34 803_b list of electrical and functional parts 425
- St8602a 6 φ 6 425
- St8605 6 φ 8 425
- Μ f 400v 425
- Appendix 426
- List of electrical and functional parts si34 803_b 426
- Appendix 416 427
- Si34 803_b list of electrical and functional parts 427
- Thermal protector 130 c off 83 c on 427
- Appendix 428
- List of electrical and functional parts si34 803_b 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 429
- Appendix 418 429
- Note 1 installation box no is necessary for each adaptor marked 429
- Operation control system optional accessories 429
- Option list 429
- Option list of controllers 429
- Si34 803_b option list 429
- 1 interface for use in bacne 430
- 1 optional diii board dam411b51 430
- 2 interface for use in 430
- 2 optional di board dam412b51 430
- 2 software p p d dcs002c51 430
- 2 web dam004a51 430
- 3 eco dam003a51 430
- 3 web dcs004a51 430
- 4 electrical box with earth terminal 4 blocks kjb411a 430
- 4 optional diii ai unit dam101a51 430
- 5 di unit dec101a51 430
- 6 dio unit dec102a51 430
- Appendix 430
- Basic hardware intelligent touch controller dcs601c51 430
- Basic hardware number of units to be connected 430
- Building management system 430
- Communication line 430
- Contact analog signal 430
- Dms502b51 430
- Dms504b51 430
- Hardware diii net plus adaptor dcs601a52 430
- Intelligent manager iii 430
- Is a registered trade mark of echelon corporation 3 installation box for adaptor must be procured onsite 430
- Is a registered trademark of american society of heating refrigerating and air conditioning engineers ashrae 2 430
- Note 1 bacne 430
- Note 1 installation box for adaptor must be obtained locally 2 for residential use only cannot be used with other centralized control equipment 430
- Option 430
- Option list si34 803_b 430
- Option software 430
- P p d dam002a51 430
- Parallel interface basic unit dpf201a51 430
- System configuration 430
- Temperature measurement units dpf201a52 430
- Temperature setting units dpf201a53 430
- Unification adaptor for computerized control dcs302a52 430
- Units dam602b51 512 units dam602b51x2 768 units dam602b51x3 1024 units dam602b51x4 2 1 430
- Units dam602b52 430
- Appendix 420 431
- Option lists outdoor unit 431
- Order products 431
- Rxyq20 36pay1 payl ptl 431
- Rxyq38 54pay1 payl ptl 431
- Rxyq5 18pay1 payl ptl 431
- Si34 803_b option list 431
- Appendix 432
- Option list si34 803_b 432
- Order products 432
- Rxyq16 18pahy1 pahyl phtl 432
- Rxyq24 30pahy1 pahyl phtl 432
- Rxyq32 50pahy1 pahyl phtl 432
- In the case of 2m or less 433
- In the case of 2m or more 433
- Piping installation point 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 433
- The projection part between multi connection piping kits 433
- 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 433
- The example of a wrong pattern 434
- Appendix 424 435
- Example of connection 435
- Example of connection r 410a type 435
- Example refrigerant branch using refnet header 435
- Example refrigerant branch using refnet joint 435
- Example refrigerant branch using refnet joint and refnet header 435
- Pipe size selection 435
- Refrigerant branch kit selection 435
- Si34 803_b example of connection r 410a type 435
- Diameter of above case 436
- How to calculate the additional refrigerant to be charged 436
- Note 1 436
- Note 2 436
- Note 3 436
- Appendix 426 437
- Indoor unit for suction air r1t for liquid pipe r2t for gas pipe r3t 437
- Outdoor unit for fin thermistor r1t 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 437
- Si34 803_b thermistor resistance temperature characteristics 437
- Thermistor resistance temperature characteristics 437
- Appendix 438
- Outdoor unit thermistors for discharge pipe r3t r31t r33t 438
- Thermistor resistance temperature characteristics si34 803_b 438
- Pressure sensor 439
- 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 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 440
- Appendix 440
- Electronic circuit 440
- Entry of conductive foreign particles 440
- Faulty compressor ground leakage 440
- Faulty fan motor ground leakage 440
- Inverter pcb 440
- Method of checking the inverter s power transistors and diode modules 440
- Method of checking the inverter s power transistors and diode modules si34 803_b 440
- To make measurement disconnect all connectors and terminals 440
- Diode module checking 441
- Power module checking 441
- When using the analog type of multiple tester make measurement in resistance measurement mode in the x1 441
- When using the digital type of multiple tester make measurement in diode check mode 441
- Part 8 442
- Part 8 precautions for new refrigerant r 410a 442
- Precautions for new refrigerant r 410a 442
- Precautions for new refrigerant r 410a 32 442
- About refrigerant r 410a 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 443
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 443
- Outline 443
- Precautions for new refrigerant r 410a 443
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 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 443
- Precautions for new refrigerant r 410a 444
- Precautions for new refrigerant r 410a si34 803_b 444
- Thermodynamic characteristic of r 410a 444
- Refrigerant cylinders 445
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 446
- Copper tube material and thickness 446
- O soft annealed h hard drawn 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 446
- Service tools 446
- Tool compatibility 446
- Change of dimension a 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 447
- Differences 447
- Dimension a 447
- Flaring tool 447
- Specifications 447
- Unit mm 447
- Can not be used 450
- 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 452
- Cautions on product corrosion 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 452
- Http www daikin com global_ac 452
- If you have any enquiries please contact your local importer distributor and or retailer 452
- Printed in japan 11 2010 ak si34 803_b 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 452
- 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 452
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