Daikin FDYM03FAV1 [383/410] Wiring diagrams si18 201

Содержание

• Manual p.1
• Service p.1
• J series p.1
• Si18 201 p.1
• Outdoor unit p.2
• Table of contents p.2
• Super multi plus super multi plus super multi plus super multi plus j series j series j series j series p.2
• Heat pump indoor unit p.2
• Cooling only indoor unit p.2
• Bp unit p.2
• The model is not provided with the surplus refrigerant control function p.3
• The heating mode is not available because the following parts are not built in p.3
• The following control features are not available p.3
• Notice special specifications p.3
• Important points the model is not equipped with the receiver circuit p.3
• Change the following values for this model p.3
• Specifications 0 p.4
• Printed circuit board connector wiring diagram and name 0 p.4
• Part 4 main functions indoor unit 7 p.4
• Part 3 printed circuit board connector wiring diagram p.4
• Part 2 specifications p.4
• Part 1 list of function p.4
• Main functions 8 p.4
• List of function p.4
• Introduction ix p.4
• And name 9 p.4
• System control 09 p.5
• Refrigerant system and function of functional parts of outdoor unit 03 p.5
• Protection device 07 p.5
• Part 5 main functions outdoor unit bp unit 01 p.5
• Flow of refrigerant 72 p.6
• Troubleshooting split type indoor unit 26 p.6
• Remote controller 92 p.6
• Part 9 service diagnosis 25 p.6
• Part 8 operating test 05 p.6
• Part 7 operations 91 p.6
• Part 6 flow of refrigerant 71 p.6
• Operating test 06 p.6
• Method of field set 12 p.6
• Indoor unit 42 p.7
• Part 11cautions before operation 43 p.7
• Part 10removal procedure 11 p.7
• Outdoor unit 20 p.7
• Others 54 p.7
• Installation 44 p.7
• For bpmk928b42 43 12 p.7
• Bp unit trouble diagnosis 10 p.7
• Wiring 48 p.7
• Troubleshooting skyair indoor unit 46 p.7
• Troubleshooting outdoor unit related 60 p.7
• Drawings flow charts v p.8
• Wiring diagrams 70 p.8
• Piping diagrams 60 p.8
• Part 12appendix 59 p.8
• Index i p.8
• Warning p.10
• Safety cautions p.10
• Introduction p.10
• Cautions in repair p.10
• Warning p.11
• Cautions regarding products after repair p.11
• Caution p.11
• Caution p.12
• Warning p.12
• Inspection after repair p.12
• Using icons list p.13
• Using icons p.13
• Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below p.13
• Caution p.13
• Part 1 part 1 part 1 part 1 list of function list of function list of function list of function p.14
• Part 1 list of function p.14
• List of function p.14
• For flk flx50 60j p.15
• List of function si18 201 p.15
• List of function p.15
• Function list for general p.15
• For flk flx50 60j 2 p.15
• List of function 3 p.16
• Function list for china p.16
• Si18 201 list of function p.16
• List of function si18 201 p.17
• List of function p.17
• Function list for taiwan p.17
• Si18 201 list of function p.18
• List of function 5 p.18
• Function list for europe p.18
• For flx50 60j 2 p.18
• For flx50 60j p.18
• List of function si18 201 p.19
• List of function p.19
• Function list for singapore malaysia indonesia p.19
• List of function 7 p.20
• Function list for australia p.20
• For flk flx50 60j 2 p.20
• For flk flx50 60j p.20
• Si18 201 list of function p.20
• List of function si18 201 p.21
• List of function p.21
• Function list for europe p.21
• For flx50 60j 2 p.21
• For flx50 60j p.21
• Specifications 0 p.22
• Part 2 specifications p.22
• Part 2 part 2 part 2 part 2 specifications specifications specifications specifications p.22
• Indoor unit p.23
• Outdoor units p.23
• Outdoor unit p.23
• Main piping p.23
• Cooling only p.23
• Branch piping p.23
• Bp unit p.23
• Specifications p.23
• Specifications 11 p.24
• Si18 201 specifications p.24
• Outdoor unit p.24
• Main piping p.24
• Indoor unit p.24
• Hz 220v p.24
• Branch piping p.24
• Bp unit p.24
• Specifications p.25
• Outdoor unit p.25
• Main piping p.25
• Indoor unit p.25
• Hz 220 230 240v 60hz 220 230v p.25
• Branch piping p.25
• Bp unit p.25
• Specifications si18 201 p.25
• Specifications 13 p.26
• Si18 201 specifications p.26
• Outdoor unit p.26
• Main piping p.26
• Indoor unit p.26
• Hz 220 230 240v 60hz 220 230v p.26
• Branch piping p.26
• Bp unit p.26
• Outdoor unit p.27
• Main piping p.27
• Indoor unit p.27
• Hz 220 240v 60hz 220 230v p.27
• Heat pump p.27
• Branch piping p.27
• Bp unit p.27
• Specifications si18 201 p.27
• Specifications p.27
• Specifications 15 p.28
• Si18 201 specifications p.28
• Outdoor unit p.28
• Main piping p.28
• Indoor unit p.28
• Hz 220 230v p.28
• Branch piping p.28
• Bp unit p.28
• Outdoor unit p.29
• Main piping p.29
• Indoor unit p.29
• Hz 220 240v 60hz 220 230v p.29
• Branch piping p.29
• Bp unit p.29
• Specifications si18 201 p.29
• Specifications p.29
• Specifications 17 p.30
• Si18 201 specifications p.30
• Outdoor unit p.30
• Main piping p.30
• Indoor unit p.30
• Hz 220 230 240v 60hz 220 230v p.30
• Branch piping p.30
• Bp unit p.30
• Specifications si18 201 p.31
• Specifications p.31
• Hz 220 240v 60hz 220 230v p.31
• Bp units p.31
• Indoor units for general p.32
• Cooling only p.32
• Wall mounted type p.32
• Kw class p.32
• Specifications si18 201 p.33
• Specifications p.33
• Kw class p.33
• Hz 220 230 240v 60hz 220 230v p.33
• Specifications 21 p.34
• Si18 201 specifications p.34
• Kw class p.34
• Hz 220 230 240v 60hz 220 230v p.34
• Specifications si18 201 p.35
• Specifications p.35
• Kw class p.35
• Hz 220 230 240v 60hz 220 230v p.35
• Duct connected type p.35
• Hz 220 230 240v 60hz 220 230v p.36
• Specifications 23 p.36
• Si18 201 specifications p.36
• Kw class p.36
• Specifications si18 201 p.37
• Specifications p.37
• Kw class p.37
• Hz 220 230 240v 60hz 220 230v p.37
• Floor ceiling suspended dual type p.37
• Specifications 25 p.38
• Si18 201 specifications p.38
• Kw class p.38
• Hz 220 230 240v 60hz 220 230v p.38
• Kw class 7 kw class p.39
• Kw class 5 kw class p.39
• Hz 220 230 240v 60hz 220 230v p.39
• Ceiling mounted cassette type skyair p.39
• Specifications si18 201 p.39
• Specifications p.39
• Specifications 27 p.40
• Si18 201 specifications p.40
• Kw class 7 kw class p.40
• Hz 220 230v p.40
• Hz 220 230 240v p.40
• Duct connected type skyair p.40
• Wall mounted type p.41
• Specifications si18 201 p.41
• Specifications p.41
• Kw class 6 kw class p.41
• Kw class 3 kw class p.41
• Hz 220 230 240v 60hz 220 230v p.41
• Heat pump p.41
• Hz 220 230 240v 60hz 220 230v p.42
• Specifications 29 p.42
• Si18 201 specifications p.42
• Kw class p.42
• Specifications si18 201 p.43
• Specifications p.43
• Kw class 6 kw class p.43
• Kw class 3 kw class p.43
• Hz 220 230 240v 60hz 220 230v p.43
• Duct connected type p.43
• Specifications 31 p.44
• Si18 201 specifications p.44
• Kw class 6 kw class p.44
• Kw class 3 kw class p.44
• Hz 220 230 240v 60hz 220 230v p.44
• Floor ceiling suspended dual type p.44
• Ceiling mounted cassette type skyair p.45
• Specifications si18 201 p.45
• Specifications p.45
• Kw class 7 kw class p.45
• Kw class 5 kw class p.45
• Hz 220 230 240v 60hz 220 230v p.45
• Specifications 33 p.46
• Si18 201 specifications p.46
• Kw class 7 kw class p.46
• Hz 220 230v p.46
• Hz 220 230 240v p.46
• Duct connected type skyair p.46
• Specifications si18 201 p.47
• Specifications p.47
• Indoor units for china p.47
• Hz 220v p.47
• Cooling only p.47
• Wall mounted type p.47
• Specifications 35 p.48
• Si18 201 specifications p.48
• Hz 220v p.48
• Duct connected type p.48
• Specifications si18 201 p.49
• Specifications p.49
• Hz 220v p.49
• Floor ceiling suspended dual type p.49
• Specifications 37 p.50
• Si18 201 specifications p.50
• Hz 220v p.50
• Duct connected type skyair p.50
• Ceiling mounted cassette type skyair p.50
• Hz 220v p.51
• Heat pump p.51
• Wall mounted type p.51
• Specifications si18 201 p.51
• Specifications p.51
• Specifications 39 p.52
• Si18 201 specifications p.52
• Hz 220v p.52
• Duct connected type p.52
• Specifications si18 201 p.53
• Specifications p.53
• Hz 220v p.53
• Duct connected type p.53
• Specifications 41 p.54
• Si18 201 specifications p.54
• Hz 220v p.54
• Floor ceiling suspended dual type p.54
• Ceiling mounted cassette type skyair p.55
• Specifications si18 201 p.55
• Specifications p.55
• Hz 220v p.55
• Duct connected type skyair p.55
• Wall mounted type p.56
• Indoor units for taiwan p.56
• Cooling only p.56
• 6 kw class p.56
• 3 kw class p.56
• Specifications si18 201 p.57
• Specifications p.57
• Kw class p.57
• Hz 220v p.57
• Si18 201 specifications p.58
• Hz 220v p.58
• Duct connected type p.58
• Specifications 45 p.58
• Specifications si18 201 p.59
• Specifications p.59
• Hz 220v p.59
• Floor ceiling suspended dual type p.59
• Specifications 47 p.60
• Si18 201 specifications p.60
• Hz 220v p.60
• Duct connected type skyair p.60
• Ceiling mounted cassette type skyair p.60
• Specifications si18 201 p.61
• Specifications p.61
• Kw class 6 kw class p.61
• Kw class 3 kw class p.61
• Hz 220v p.61
• Heat pump p.61
• Wall mounted type p.61
• Specifications 49 p.62
• Si18 201 specifications p.62
• Kw class p.62
• Hz 220v p.62
• Specifications si18 201 p.63
• Specifications p.63
• Hz 220v p.63
• Floor ceiling suspended dual type p.63
• Specifications 51 p.64
• Si18 201 specifications p.64
• Hz 220v p.64
• Duct connected type skyair p.64
• Ceiling mounted cassette type skyair p.64
• Indoor units for europe p.65
• Heat pump p.65
• Wall mounted type p.65
• Kw class 3 kw class p.65
• Specifications 53 p.66
• Si18 201 specifications p.66
• Kw class 6 kw class p.66
• Kw class p.66
• Hz 230v p.66
• Specifications si18 201 p.67
• Specifications p.67
• Kw class 6 kw class p.67
• Kw class 3 kw class p.67
• Hz 230v p.67
• Duct connected type p.67
• Kw class 6 kw class p.68
• Kw class 3 kw class p.68
• Hz 230v p.68
• Specifications 55 p.68
• Si18 201 specifications p.68
• Specifications si18 201 p.69
• Specifications p.69
• Kw class 6 kw class p.69
• Kw class 3 kw class p.69
• Hz 230v p.69
• Floor ceiling suspended dual type p.69
• Specifications 57 p.70
• Si18 201 specifications p.70
• Kw class 3 kw class p.70
• Hz 230v p.70
• Floor standing type p.70
• Printed circuit board connector wiring diagram and name 0 p.72
• Part 3 printed circuit board connector wiring diagram and name p.72
• Part 3 part 3 part 3 part 3 printed circuit board printed circuit board printed circuit board printed circuit board connector wiring diagram connector wiring diagram connector wiring diagram connector wiring diagram and name and name and name and name p.72
• Printed circuit board connector wiring diagram and name p.73
• Branch provider unit bpmk928b42 b43 p.73
• Outdoor unit rmk x 140jvmt c 9 8 rmk140javm rmx140jvmb rmk x 140jzvma b p.74
• Ftk25 35j series ftx25 35j series ftxd25 35k series fvx25 35k series p.77
• Si18 201 printed circuit board connector wiring diagram and name p.78
• Printed circuit board connector wiring diagram and name 65 p.78
• Printed circuit board 1 3 detail p.78
• Printed circuit board 1 3 p.78
• Ftk50 60hv series ftkd50 71jv series ftx50 60hv series ftxd50 71jv series p.79
• Cdx25 60hav series cdk25 60hav series p.81
• Si18 201 printed circuit board connector wiring diagram and name p.82
• Printed circuit board connector wiring diagram and name 69 p.82
• Printed circuit board 1 3 detail p.82
• Printed circuit board 1 3 p.82
• Flk25 60hv series flx25 60hv series flk50 60jv series flx50 60jv series p.83
• Fhyc35 71kv series p.86
• Printed circuit board p.87
• Fdym60fa fdym03fa series p.88
• Printed circuit board p.89
• Part 4 main functions indoor unit p.90
• Power airflow flap diffuser p.91
• Main functions in split type p.91
• Main functions p.91
• Wide angle louvers p.92
• Horizontal auto swing up and down p.93
• Note unless swing is selected you should set the flap at a near horizontal angle in cool or dry mode to obtain the best performance p.94
• Note notes on flap angles the diffuser is kept open in dry cool or fan mode p.94
• Cooling dry operation for cooling only model p.94
• Cooling dry heating operation for heat pump model p.94
• Wide angle flaps louvers and auto swing p.95
• 3 step flow p.95
• Automatic air flow control for cooling p.97
• The following drawing explains the principle of fan speed control for cooling p.97
• The following drawing explains the principle for fan speed control for heating p.97
• The airflow rate can be automatically controlled depending on the difference between the set temperature and the room temperature this is done through phase control and hall ic control p.97
• Step cooling heating dry mode lll heating thermostat off h type 500 860 rpm during powerful operation 850 910 rpm p.97
• Phase steps phase control and fan speed control contains 8 steps lll ll l ml m hm h and hh p.97
• Note when there is no operation and the night set mode turns on the step is low refer to night set mode on page 89 p.97
• Note 1 during powerful operation fan operate h tap 50 70 rpm 2 fan stops during defrost operation p.97
• Main functions si18 201 p.97
• Main functions p.97
• Ll cooling thermostat off l p.97
• J type 800 980 rpm during powerful operation 1050 rpm p.97
• Hh powerful p.97
• For more information about hall ic refer to hall ic check a6 on page 309 p.97
• For ftk x 25 35j ftk x 50 60 h series control mode p.97
• Fan speed control for indoor units p.97
• Automatic air flow control for heating p.97
• Within this range the airflow rate is automatically controlled when the airflow adjusting button is set to automatic p.97
• Washable grille p.98
• Signal receiving sign p.98
• On off button on indoor unit p.98
• Air purifying filter p.98
• Filter cleaning indicator p.99
• Program dry function p.100
• Pre heat operation heat pump only p.100
• Mold proof air filter p.100
• Hot start function heat pump only p.100
• Automatic operation heat pump only p.101
• Self diagnosis led display p.102
• Self diagnosis digital display p.102
• Night set mode p.102
• Auto restart function p.102
• A micro computer in an indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20msec 10 100msec it judges human is in the room as the motion signal is on p.103
• When a micro computer doesn t have a signal from the sensor in 20 minutes it judges that no body is in the room and turns off the human detection led operating the unit in temperature sifted 2 c from the set temperature cooling 2 c higher dry 1 c higher and auto according to the operation mode at that time p.103
• This sensor detects human motion by receiving infrared rays and displays the pulse wave output p.103
• The motions for example in cooling p.103
• The function that detects existence of humans in the air conditioned room and reduces the capacity when no humans are available in the room in order to save electricity by means of a human motion sensor p.103
• Processing 1 detection method by human motion sensor p.103
• Main functions si18 201 p.103
• Main functions p.103
• Intelligent eye p.103
• In case of fan mode the fan speed reduces by 50 rpm p.103
• For ftk x 25 35 j series only outline p.103
• Good sleep cooling control p.104
• Room temperature difference between activation and suspension of dry operation p.105
• Program dry operation p.105
• Note 1 the program dry function is not operated when the room temperature is at 18 c or less 2 in monitoring operation fan rotates 5 seconds after the compressor starts its operation p.105
• Dry operation activating compressor on temperature p.105
• By the function of the microcomputer program dry operation reduces the humidity keeping the temperature in a minimum drop room temperature and air volume can not be controlled by room temperature adjusting button and air volume adjusting button because they are controlled automatically when the program dry function starts dry operation is provided and then it repeats 5 minute suspension and 4 minute dry operation alternately when the room temperature rises it repeats the above process from the beginning p.105
• Cooling monitoring function p.106
• Minutes standby function p.107
• Freeze protection function p.107
• Auto swing of flap s p.107
• Auto restart function p.107
• Night set mode function p.108
• Air flow automatic auto fan speed p.108
• Powerful operation p.109
• Emergency operation function on off switch p.109
• Filter check indicator p.110
• Skyair p.111
• The corresponding models p.113
• Heat pump model p.113
• Cautions when skyair auto fan are used p.113
• Cautions p.113
• Part 5 main functions outdoor unit bp unit p.114
• System control 09 p.114
• Refrigerant system and function of functional parts of outdoor unit 03 p.114
• Protection device 07 p.114
• Part 5 part 5 part 5 part 5 main functions main functions main functions main functions outdoor unit bp unit outdoor unit bp unit outdoor unit bp unit outdoor unit bp unit p.114
• Si18 201 refrigerant system and function of functional parts of outdoor unit p.116
• Refrigerant system and function of functional parts of outdoor unit p.116
• Main functions 103 p.116
• Bp unit p.116
• Major functional parts p.117
• Protective devices thermistors sensors p.119
• Protection device p.120
• Outdoor unit p.120
• Bp unit p.121
• Compressor on p.122
• Compressor off p.122
• Unit stop standby control p.122
• Before equalizing p.122
• System protection control p.122
• System control p.122
• Start up standby operation p.122
• Si18 201 system control p.122
• Power supply on p.122
• Outline of system control p.122
• Operation start p.122
• Minutes standby p.122
• Main functions 109 p.122
• Heating p.122
• Feedback control p.122
• Cooling heating p.122
• Cooling p.122
• Mode configuration p.123
• Standby control at power on p.124
• System control si18 201 p.125
• Standby operation p.125
• Purpose of the function to prepare for the next startup after operation shutdown and to collect refrigerant into the receiver in order to prevent liquid refrigerant from returning to the accumulator and compressor at startup p.125
• Main functions p.125
• Cooling heating standby operation at startup p.125
• Si18 201 system control p.126
• Purpose of the function to provide equalizing control after a standby operation in order to prevent the compressor from locking due to insufficient equalizing and to ensure smooth compressor startup p.126
• Main functions 113 p.126
• Equalizing control in cooling p.126
• Equalizing control p.126
• System control si18 201 p.127
• Main functions p.127
• Equalizing control in heating p.127
• Determination of operation frequency p.128
• Determination of initial frequency p.128
• D signals difference between room temperature and temperature setting from bp units are used to determine the frequency corresponding to the capacities of the indoor units connected to the bp units this function is also described in the following section method of determining frequency p.128
• Purpose of the function to control the operating frequency in order to ensure compressor reliability and optimise the operating condition p.128
• Outline p.128
• Method of determining frequency the compressor operating frequency is determined in the following steps 1 selection of command frequency fsr 2 selection of upper limit frequency fmax 3 selection of lower limit frequency fmin 4 selection of restriction frequency fsg 5 execution of prohibit frequency skip control 6 selection of target frequency fmk p.128
• S value is referred to as p.129
• S value in this manual outdoor unit connection p.129
• S value and outdoor unit operation p.129
• S value and outdoor unit connection p.129
• S value and bp operation p.129
• S value p.129
• Processing during powerful operation mode 1 when powerful command is received from indoor units one or more units 2 thermostats are not off in room units from which powerful commands are issued p.129
• Determination of s value there are two types of indoor unit capacities from individual bp units one is the p.129
• When the above conditions are met the powerful operation mode is activated and the following processes are conducted p.129
• D signals from bp units are used as the p.129
• Values p.129
• D signal from indoor unit the following calculation is performed p.129
• Value in frequency commands excludes when powerful function is in operation p.129
• D room temperature p.129
• Value determined by p.129
• Bp unit command conversion p.129
• Temperature setting signals from bp units are converted to p.129
• 3 based on the p.129
• S value respectively the sums of those s values of bp units are called outdoor unit connection p.129
• S value of the indoor unit which receives an operation demand for the same mode as that of the outdoor unit they are called h u connection p.129
• S value of the connected indoor unit and the other is the p.129
• Determination of initial frequency p.130
• Kfido varies depending on discharge pipe temperature do when do p.131
• Dofini 45 c kfido kfidoh 128 128 hot start when do dofini 45 c kfido kfidol 179 128 cold start p.131
• Determination of initial frequency for cooling initial frequency fsr is determined based on the correction of outside air temperature doa and discharge pipe temperature do in accordance with the above matrix fsr kfido 2 128 doa 35 c fini1 fini1 p.131
• Kfido varies depending on discharge pipe temperature do when do p.132
• Dofini 45 c kfido kfidoh 128 128 hot start when do dofini 45 c kfido kfidol 179 128 cold start p.132
• Determination of initial frequency for heating initial frequency fsr is determined based on the correction of outside air temperature doa and discharge pipe temperature do in accordance with the above matrix fsr kfido 5 128 doa 15 c fini1 fini1 p.132
• Oil return operation p.133
• Si18 201 system control p.134
• Oil recovery operation in heating mode p.134
• Main functions 121 p.134
• System control si18 201 p.135
• Outline during heating operation the outdoor heat exchanger intermediate temperature of a frosted unit is estimated based on the outdoor temperature and compressor output frequency if the outdoor heat exchanger intermediate temperature is lower than the estimated defrosting temperature the unit is considered to be frosted therefore the compressor is stopped and the cooling cycle is activated for a defrosting operation reverse cycle defrost the defrosting operation stops when a certain time elapse or when the outdoor heat exchanger liquid pipe temperature reaches the preset temperature level p.135
• Main functions p.135
• Details p.135
• Defrost operation p.135
• Si18 201 system control p.136
• Pre equalization standby operation p.136
• Outline in local air conditioner control mode and frequency fix mode this function collects surplus refrigerant in the receiver before the operation mode is changed from cooling or the compressor stops due to thermostat off this ensures proper oil level and dilution for the next startup operation this function is also activated before cooling operation starts in units that have not completed the standby operation p.136
• Main functions 123 p.136
• Heating standby operation cooling standby operation p.136
• Details p.136
• Equalizing control p.137
• Details equalizing control in cooling p.137
• System control si18 201 p.137
• Outline this function provides equalizing control after a standby operation in order to prevent the compressor from locking due to insufficient equalization and to ensure smooth compressor startup p.137
• Main functions p.137
• Si18 201 system control p.138
• Main functions 125 p.138
• Equalizing control in heating p.138
• Outdoor unit motorized valve low pressure cooling capacity control p.139
• Capacity control p.139
• Outdoor unit motorized valve high pressure heating capacity control p.140
• Peak cut control p.141
• Freeze up prevention p.142
• Gas shortage malfunction p.143
• Outline with the internal compressor temperature used as a substitute of the discharge pipe temperature when the discharge pipe temperature exceeds the specified level the discharge pipe control regulates the upper limit of the output frequency to prevent the internal pressure from rising this function serves the same purpose as the discharge pipe high temperature control that regulates the motorized valve p.144
• Main functions 131 p.144
• Discharge pipe control p.144
• Details p.144
• With each operation of the discharge pipe temperature malfunction operation counter the above zone judgment temperature is decreased by 2 c p.144
• Si18 201 system control p.144
• Input current control i p.145
• Input current control p.145
• When the outside temperature doa is higher than 38 c input current upper limit value i3ch 27 a is decreased at a rate of 96 128 a c p.146
• Similarly the input current value in controlled in inverter microcomputers to protect the inverter parts p.146
• Si18 201 system control p.146
• Outside air temperature i3ch p.146
• Main functions 133 p.146
• Details the input current is used to control the upper limit of the operating frequency in order to maintain the temperature around the electric parts under a certain level during cooling overload condition p.146
• 27 40 25 p.146
• 27 36 27 p.146
• 27 32 27 p.146
• 27 28 27 p.146
• 27 24 27 p.146
• 24 44 22 p.146
• Input current control ii high pressure control p.147
• Wet protection control i p.148
• Outline when the outside air temperature is low the lower limit of operating frequency is restricted to ensure the compressor suction air humidity p.148
• Details the lower limit of operating frequency fcg is set according to following formula and diagram when the outside air temperature doa is 6 c or lower during heating operation fcg kcg1w outside air temp doa fcg7w 102 64 doa 28 p.148
• Electric parts cooling and electric parts fin temperature control p.149
• Differential pressure control p.150
• Year round cooling only function p.151
• The shutdown function based on the outside temperature and high pressure equivalent saturation temperature stops the operation when sufficient differential pressure cannot be ensured in the compressor the shutdown function based on the outside temperature prevent compressor operation when the temperature is outside of the operation area p.151
• Outline this function turns off the compressor based on the conditions of the outside temperature and high pressure equivalent saturation temperature to ensure compressor reliability p.151
• Details the year round cooling only function provides two types of shutdown function one is based on the outside temperature and high pressure equivalent saturation temperature and the other is based only on the outside temperature p.151
• Nighttime low noise control p.152
• Pi control p.153
• Warm up function p.154
• More than 2 hours after power reset p.155
• Details p.155
• Compressor protection control p.155
• Purpose of the function this function ensures appropriate compressor oil level and dilution at startup p.155
• Outline the following upper limit frequency control is provided at the compressor of p.155
• On edge this function is inactive during defrost control p.155
• Fan control under normal condition p.156
• Fan control p.156
• Fan off delay control p.157
• Outline of motorized valve control p.158
• Motorized valve control of outdoor unit p.158
• System control si18 201 p.159
• Outline this function restricts the opening degree of the outdoor unit motorized valves discharge bypass motorized valve gas pipe motorized valve and liquid pipe motorized valve in order to quickly stabilize and control the system p.159
• Outdoor unit motorized valve opening restriction p.159
• Not in capacity control during normal heating operation elv fully closed during normal cooling operation after tevgard elapsed 30 sec or more p.159
• Main functions p.159
• In capacity control during normal heating operation evl not fully closed during normal cooling operation p.159
• Evp opening restriction there are two types of evp control complete closing and completely closing with retightening evp s max opening is set to evpmax evp s min opening is set to evpmin p.159
• Evg gas pipe motorized valve opening restriction p.159
• The motorized valve operates as follows when it is fully closed and at min opening when evp closes from open condition evp open condition evpmin is set as the lower limit when it closes from evpmin the next motorized valve opening degree is set to 0 pulse fully closed condition evp is in the fully closed condition from 0 pulse to evpdp pulses and the opening degree increments in the fully closed condition evpdp pulses is set as the upper limit when it opens from the evpdp condition the next valve opening degree is set to evpmin evpdp to achieve evp open condition p.159
• Evl liquid pipe motorized valve opening restriction evl liquid pipe motorized valve p.160
• Outdoor unit motorized valve control in startup and during the number of operating room units change p.161
• Outdoor unit motorized valve control during high discharge pipe temperature p.162
• Outdoor units motorized valve control by target discharge pipe temperature p.163
• Cooling outdoor unit sc control p.164
• Motorized valve flow rate restriction p.165
• Bp unit motorized valve control during frequency change p.165
• Bp unit motorized valve control at startup and during the number of operating room units change p.165
• Bp unit motorized valve control p.165
• Full closing of motorized valves p.166
• Control based on absolute flow rate instruction p.166
• Control based on relative flow rate instruction p.167
• Gas pipe isothermal control in cooling operation p.168
• Qhenc 0 2 the following condition is set qrga p.169
• Qhenc 0 2 nm³ hr p.169
• The motorized valve operating amount is determined based on deviation ega between each room unit s gas pipe temperature and of dgav after gftuyu correction and previous deviation egaz example the following example is based on room a ega dga dgav when the operating flow rate of eva is qrga qrga kpcb 0 5 ega egaz kib 0 2 ega egaz 0 5 ega egaz 0 16 ega egaz when qrga p.169
• When sh is higher than average p.170
• Sh control in cooling operation p.170
• Purpose of the function this function ensures appropriate refrigerant distribution when many room units are operating in the cooling mode p.170
• Outline the heat exchanger temperatures and gas pipe temperatures of operating room units are detected by the gas pipe thermistors and the motorized valves flow rates are corrected so as to adjust each room unit s heat exchanger temperature and gas pipe temperature hereafter referred to as sh close to the target values p.170
• Opens the valve of that room unit when sh is lower than average p.170
• In order to prevent dew condensation in connection pipe gas pipe lower limit temperature is set as follows gas pipe lower limit temperature 0 doa 1 p.170
• However the closing operation is restricted to prevent the valve operation that results in a flow rate that exceeds a certain level at one time when the liquid pipe temperature is higher than the heat exchanger temperature the motorized valve is opened without providing the above control protection function to prevent rotor dew condensation p.170
• Details the gas pipe temperature and indoor heat exchanger temperature are detected at the time of every sampling time of 40 sec for the cooling sh control p.170
• Closes the valve of that room unit p.170
• Purpose of the function this function ensures appropriate refrigerant distribution when room units are operating in the heating mode p.172
• Outline the function serves the following two main purposes 1 appropriate refrigerant distribution to each room unit in the case of heating sc control 2 the motorized valves of only operating room units are regulated in the case of heating sc control 1 the motorized valves of all room units including non operating units are operated 2 determination of the location accumulator receiver non operating room units operating room units to collect refrigerant in accordance with the connection pattern extended piping single room connection p.172
• Opens the valve of that room unit when sh is lower than target sc p.172
• Main functions 159 p.172
• However the valve operating amount is restricted to prevent a flow rate that exceeds a certain level at one time for improvement of stability and convergibility performance p.172
• Closes the valve of that room unit p.172
• When sh is higher than target sc p.172
• To ensure appropriate refrigerant distribution to each room unit each room unit s liquid pipe temperature and heat exchanger intermediate temperature are detected and the motorized valve opening degrees are corrected so sc reaches the target sc determined based on the supply capacity and the temperature difference between the discharge pipe temperature and target discharge pipe temperature p.172
• The determination of the location accumulator receiver non operating room units operating room units to collect refrigerant is determined in accordance with the connection pattern extended piping single room connection p.172
• Si18 201 system control p.172
• Sc control in heating operation p.172
• System control si18 201 p.173
• Main functions p.173
• Details the heat exchanger intermediate temperature and liquid pipe temperature are detected at every sampling time of 60 sec of the heating sc control the range of target sc 3 c p.173
• Current sc evr closed target sc current sc evr opened p.173
• Heat exchanger isothermal control in heating operation p.174
• When the discharge pipe temperature exceeds a certain level during compressor operation this function opens the motorized valve to return the refrigerant to a low pressure level in order to cool the compressor with refrigerant and lower the discharge temperature p.175
• Bp unit motorized valve control in high discharge pipe temperature p.175
• Inter bp units heating heat exchanger isothermal control p.176
• Inter bp units gas pipe isothermal control p.177
• Bp unit motorized valve control by target discharge pipe temperature p.178
• Way valve operation p.179
• Way valve switching p.179
• Way valve operation security p.179
• Jis mode p.180
• System control si18 201 p.181
• Pump down operation p.181
• Outline when the pump down button is pressed the following control is provided to collect refrigerant in the receiver p.181
• Main functions p.181
• Details p.181
• The zones for skyair indoor unit peak cut control is produced in the bp unit p.182
• Skyair indoor unit peak cut zone p.182
• Si18 201 system control p.182
• Protection control of skyair indoor units p.182
• Peak cut control based on the heat exchanger temperature information sent from the indoor unit the zones are produced to prevent abnormal rise of the high pressure p.182
• Main functions 169 p.182
• Freeze up prevention control based on the freeze up prevention status information sent from the bp unit indoor unit the zones are produced to prevent freezing up of the indoor heat exchanger p.182
• Even if the stop zone is reached the zone remains as the drooping zone for 540 sec p.182
• Part 6 part 6 part 6 part 6 flow of refrigerant flow of refrigerant flow of refrigerant flow of refrigerant p.184
• Part 6 flow of refrigerant p.184
• Flow of refrigerant 72 p.184
• Flow of refrigerant si18 201 p.185
• Flow of refrigerant p.185
• Standby operation cooling p.186
• Si18 201 flow of refrigerant p.186
• Securing the reliability oil dilution proof in particular of the compressor by the liquid return to accumulator when starting the cooling operation the unit drains the refrigerant in the accumulator and storage the liquid refrigerant in the condenser and receiver after stopping the cooling operation consequently fully open the evp to evaporate the liquid refrigerant in the accumulator fully close each indoor unit motorized valves evu evt fully open evl in order to storage the liquidrefrigerant in the receiver while fully close evg p.186
• Productive operation patterns on stopping the cooling operation on starting the cooling operation when cooling standby operation has not completed yet p.186
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.186
• H evl 120 pls h evp full open evg full close evu full close evt full close evh full close p.186
• Full close p.186
• Flow of refrigerant 173 p.186
• Flow of refrigerant p.187
• Evl 100 pls h evp full open evg full close evu full close evt full close evh full close p.187
• Equalizing control cooling p.187
• When conducting the equalizing control after completing the standby operation fully close each room motorized valves evu evt and evg evl and fully open evp only for the equalizing control p.187
• Productive operation patterns when the cooling standby operation has been completed p.187
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.187
• Flow of refrigerant si18 201 p.187
• Si18 201 flow of refrigerant p.188
• Productive operation patterns oil collecting operation in cooling p.188
• Oil return operation cooling p.188
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.188
• Flow of refrigerant 175 p.188
• Evl 100 450 pls evp 0 200 pls h evg full open or 60 100 pls evu ordinal control evt ordinal control close h evh full open p.188
• 1 oil collecting operation in main pipe this operation aims to collect oil in the main gas pipe full closing evp evl and increasing the operating frequency for enlarging the gas flow rate result the drop of low pressure there fore set the evh to specified opening to conduct oil collecting operation 2 oil collecting operation of non operating room bp unit in case other bp has operating room unit s and rest bp with non operating room units continues for 90 minutes for the purpose of collecting oil in the liquid refrigerant stagnated between refnet joint and bp unit fully open evh of bp unit of the non operating room to conduct oil collecting operation p.188
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.189
• H evl sc control not fully closed h evp freeze up protection control h evg target discharge pipe temperature control evu sh control evt full close evh full close p.189
• Flow of refrigerant si18 201 p.189
• Flow of refrigerant p.189
• A pressure difference must be kept in cooling mode with low outside temperature in order to maintain the compressor reliability to ensure such pressure difference keep the evl fully open and let the refrigerant stay in the outdoor heat exchanger system control motorized valve evg each room distribution control motorized valve evu p.189
• Productive operation patterns cooling 1 room operation 2 kw 1 room operation with low outside air temperature p.189
• Low outside air temperature cooling p.189
• Si18 201 flow of refrigerant p.190
• Productive operation patterns all room operation p.190
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.190
• H evl sc control full close evp full close evg 0 to 100 pls evu target discharge pipe temperature control gas pipe isothermal control evt full close evh full close p.190
• Full close p.190
• Flow of refrigerant 177 p.190
• Conditions evl is fully opened via outdoor unit sc control p.190
• As the refrigerant circuit is in the status of no receiver provided the same control as the conventional super multi type is conducted system control motorized valve evu each room distribution control motorized valve evu p.190
• All room operation cooling p.190
• H evl sc control full close evp full close evg 0 to 100 pls evu target discharge pipe temperature control gas pipe isothermal control evt full close evh full close p.191
• Flow of refrigerant si18 201 p.191
• Flow of refrigerant p.191
• Conditions evl is fully opened via outdoor unit sc control p.191
• As the refrigerant circuit is in the status of no receiver provided the same control as the conventional super multi type is conducted system control motorized valve evu each room distribution control motorized valve evu p.191
• Productive operation patterns status of no surplus refrigerant in multi room operation p.191
• Multi room operation no surplus refrigerant cooling p.191
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.191
• Si18 201 flow of refrigerant p.192
• Productive operation patterns partial load operation p.192
• Multi room operation cooling with surplus refrigerant p.192
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.192
• H evl sc control not fully closed evp full close evg target discharge pipe temperature control evu sh control evt full close evh full close p.192
• Flow of refrigerant 179 p.192
• Conditions evl is not fully closed via outdoor unit sc control p.192
• As the surplus refrigerant is treated with the receiver opening evl stagnates the liquid refrigerant in the receiver the entire system control suction overheat is conducted by the adjustment of the surplus refrigerant amount in the receiver via evg bp motorized valve is exclusively used for the distribution control and evu is used for sh control system control motorized valve evg each room distribution control motorized valve evu p.192
• Flow of refrigerant p.193
• Evl sc control not fully closed evp full close h evg target discharge pipe temperature control evu sh control evt full close evh full close p.193
• Conditions evl is not fully closed via outdoor unit sc control p.193
• As the surplus refrigerant is treated with the receiver opening evl dwells the liquid refrigerant in the receiver the entire system control suction overheat is conducted by the adjustment of the surplus refrigerant amount in the receiver via evg bp motorized valve is exclusively used for the distribution control and evu is used for sh control system control motorized valve evg each room distribution control motorized valve evu p.193
• 1 room operation indoor unit with large capacity cooling p.193
• Productive operation patterns 1 room operation with large capacity indoor unit p.193
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.193
• Flow of refrigerant si18 201 p.193
• Si18 201 flow of refrigerant p.194
• Room operation indoor unit with small capacity 2 kw cooling p.194
• Productive operation patterns 1 room operation 2 kw 1 room operation p.194
• In case the freeze up protection control stays within the drooping zone even when the operation frequency becomes the lower limit frequency increasing the opening of evp motorized valve conducts evp control to stabilize at the no change zone as the surplus refrigerant is treated with the receiver opening evl stagnates the liquid refrigerant in the receiver with evl open the entire system control suction overheat is conducted by the adjustment of the surplus refrigerant amount in the receiver via evg bp motorized valve is exclusively used for the distribution control and evu is used for sh control system control motorized valve evg each room distribution control motorized valve evu p.194
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or ga p.194
• Flow of refrigerant 181 p.194
• Evl sc control not fully closed h evp freeze up protection control evg target discharge pipe temperature control evu sh control evt full close evh full close p.194
• Conditions when the operating frequency droops at the minimum frequency with freeze up protection control p.194
• H evg full open evl full close h evp full open evu full close evt full close evh full close p.195
• Full open p.195
• Full close p.195
• Flow of refrigerant si18 201 p.195
• Flow of refrigerant p.195
• When conducting the equalizing control after completing the standby operation fully open each room motorized valves evu evt and evg evl and fully open evp only for the equalizing control p.195
• Standby operation heating p.195
• Securing the reliability oil dilution proof in particular of the compressor by the liquid return to accumulator when starting the heating operation the unit drains the refrigerant in the accumulator and stagnates the liquid refrigerant in the condenser and receiver after stopping the heating operation consequently fully open evp to evaporate the liquid refrigerant in the accumulator fully close each indoor unit motorized valves evu evt fully open evg to feed the liquid refrigerant in the receiver and then fully close evl p.195
• Productive operation patterns on stopping the heating operation on starting the heating operation when the standby operation has not been completed yet before unit operation stop p.195
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.195
• When conducting the equalizing control after completing the standby operation fully close each room motorized valves evu evt and evg evl and fully open evp only for the equalizing control p.196
• Si18 201 flow of refrigerant p.196
• Productive operation patterns when the heating standby operation has been completed p.196
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.196
• Flow of refrigerant 183 p.196
• Evl full close h evp full open full close 150 pls full open evg 100 pls evu full close evt full close evh full close p.196
• Equalizing control heating p.196
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.197
• H evg full close evl full close evp full open full close 150 pls full open h evu fixed opening 190pls h evt full close h evh fixed flow rate setting p.197
• Flow of refrigerant si18 201 p.197
• Flow of refrigerant p.197
• The oil collecting operation is conducted in the reverse cycle cooling cycle p.197
• Productive operation patterns oil collecting operation in heating p.197
• Oil return operation heating p.197
• The defrost operation of outdoor unit heat exchanger is conducted in the reverse cycle cooling cycle p.198
• Si18 201 flow of refrigerant p.198
• Productive operation patterns in defrost operation p.198
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.198
• H evp full open 150 pls full open h evg full close 70 pls full close evl full open full close h evu fixed opening 190 pls evt full close h evh fixed opening 100 pls p.198
• Flow of refrigerant 185 p.198
• Defrost operation p.198
• Flow of refrigerant si18 201 p.199
• Flow of refrigerant p.199
• Evg full close reverse target discharge pipe temperature control h evl target discharge pipe temperature control evp full close h evu heating sc control evh full close h evt target discharge pipe temperature control p.199
• Conditions 1 unit is not in the capacity control the operating frequency does not droop to the minimum frequency by high pressure control system protection 2 all room units in operation p.199
• As the refrigerant circuit is in the status of no receiver provided the same control as the conventional multi type m 5 is conducted system control motorized valve evt evu each room distribution control motorized valve evu p.199
• All room operation heating p.199
• Productive operation patterns all room operation p.199
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.199
• The defrost operation of outdoor unit heat exchanger is conducted in the reverse cycle cooling cycle p.200
• Si18 201 flow of refrigerant p.200
• Productive operation patterns multi room operation with non operating room unit p.200
• Multi room operation with non operating room unit heating p.200
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.200
• Flow of refrigerant 187 p.200
• Evg full close reverse target discharge pipe temperature control h evl target discharge pipe temperature control with upper limit of opening evp full close evu target discharge pipe temperature control sc control h evt target discharge pipe temperature control evh full close p.200
• Conditions 1 not in the capacity control the operating frequency does not droop to the minimum frequency by high pressure control system protection 2 not in all room unit operation 3 all non operating room units motorized valve opening is not at minimum in case that the conditions 1 2 and 3 are met p.200
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.201
• H evg reverse target discharge pipe temperature control h evl target discharge pipe temperature control evp full close evu sc control target discharge pipe temperature control h evt target discharge pipe temperature control min opening evh full close p.201
• Flow of refrigerant si18 201 p.201
• Flow of refrigerant p.201
• Conditions 1 not in the capacity control the operating frequency does not droop to the minimum frequency by high pressure control system protection 2 in all room unit operation 3 all non operating room units motorized valve opening is minimum in case that the conditions 1 and 2 or 3 are met p.201
• As the surplus refrigerant is treated with the receiver opening evg stagnates the refrigerant condensed through the auxiliary heat exchanger providing a motorized valve at the downstream side of the auxiliary heat exchanger clears the heat resistant temperature of the motorized valve the entire system control suction overheat is conducted by the adjustment of the surplus refrigerant amount in the receiver via evl bp motorized valve is exclusively used for the distribution control and evu for sc control system control motorized valve evl evt each room distribution control motorized valve evu p.201
• Productive operation patterns partial load operation p.201
• Multi room operation heating p.201
• Si18 201 flow of refrigerant p.202
• Room operation indoor unit with large capacity heating p.202
• Productive operation patterns heating 1 room operation with large indoor unit capacity p.202
• In case the peak cut control stays within the drooping zone even when the operating frequency becomes the lower limit frequency increasing the opening of evg motorized valve increases the condensing capacity of auxiliary heat exchanger and conducts evg control to stabilize the unit operation at the no change zone as the surplus refrigerant is treated with the receiver opening evl dwells the liquid refrigerant in the receiver with opened evg the entire system control suction overheat is conducted by the adjustment of the surplus refrigerant in the receiver via evl bp motorized valve is exclusively used for the distribution control evu and evt are operated by sc control system control motorized valve evl evt each room distribution control motorized valve evu p.202
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.202
• H evg high pressure system control h evl target discharge pipe temperature control evp full close evu sc control target discharge pipe temperature control h evt target discharge pipe temperature control evh full close p.202
• Flow of refrigerant 189 p.202
• Conditions 1 in capacity control capacity control range small when the operating frequency droops to the minimum frequency by the protective function of high pressure control system p.202
• In case the peak cut control stays within the drooping zone even when the operating frequency becomes the lower limit frequency although evg motorized value is fully opened the peak cut control is still remaining in drooping zone conduct peak cut control by opening evp to obtain a stable unit operation in change zone with opened evg the entire system control suction overheat is conducted by the adjustment of the surplus refrigerant in the receiver via evl bp motorized valve is exclusively used for the distribution control evu and evt are operated by sc control system control motorized valve evl evt each room distribution control motorized valve evu p.203
• High pressure liquid refrigerant high pressure high temp gas refrigerant low pressure low temp liquid or gas refrigerant p.203
• Flow of refrigerant si18 201 p.203
• Flow of refrigerant p.203
• Evg 0 150 pls evl target discharge pipe temperature control h evp high pressure system control evu sc control target discharge pipe temperature control evt target discharge pipe temperature control evh full close p.203
• Conditions 1 in capacity control capacity control range large when the operating frequency droops to the minimum frequency with high pressure control system protection function control p.203
• Room operation indoor unit with small capacity 2 kw heating p.203
• Productive operation patterns heating 1 room operation 2 kw 1 room operation p.203
• Part 7 operations p.204
• Wireless remote controller p.205
• Sensor p.205
• Remote controller si18 201 p.205
• Remote controller p.205
• Operations p.205
• Open the cover p.205
• Ftk ftx25 35j p.205
• Arc423a3 arc423a2 for ftk25 35jvec ftx25 35jvec p.205
• Fvx25 35kz p.206
• Ftxd25 35kz p.207
• Ftk ftx50 60h p.208
• Ftkd ftxd50 60 71j p.209
• Flk flx50 60j p.210
• Si18 201 remote controller p.210
• Operations 197 p.210
• On off p.210
• Remote controller si18 201 p.211
• Operations p.211
• Cdk25 35 50 60ha cdx25 35 50 60j p.211
• Arc423a13 arc423a14 for cdk25 35 50 60havec cdx25 35 50 60havec p.211
• Si18 201 remote controller p.212
• Operations 199 p.212
• Open the cover p.212
• Flk flx25 35 50 60h p.212
• Arc423a9 arc423a10 for flk25 35 50 60hvec flx25 35 50 60hvec p.212
• Fhyc35 50 60 71k optional accessory p.213
• Brc7c612wc p.213
• Brc1b62 remote controller p.215
• Brc1b61 remote controller p.215
• Wired remote controller p.215
• Fhyc35 50 60 71k optional accessory p.215
• Fdym60 03f standard accessory p.215
• Part 8 part 8 part 8 part 8 operating test operating test operating test operating test p.218
• Part 8 operating test p.218
• Operating test 06 p.218
• Method of field set 12 p.218
• Operating test p.219
• Pump down sw p.220
• Outdoor unit statu p.220
• Operating test 207 p.220
• Normal led p.220
• Initialize sw p.220
• Forced operation mode select sw p.220
• Digital service monitor p.220
• Address select sw p.220
• Test operation sw p.220
• Silent select sw p.220
• Si18 201 operating test p.220
• Service monitor rayout on pcb p.220
• Operating test si18 201 p.221
• Operating test p.221
• Initialize setting p.221
• Test operation switch sw7 p.222
• Test operation switch p.222
• Digital display p.222
• Blinking p.222
• Pump down operation switch sw4 p.223
• Pump down operation switch p.223
• Digital display p.223
• After pd_ blinks in the digital display the lp low pressure indicator activates p.223
• Be sure to enter the system unit installation position p.224
• System layout p.224
• Record of the installation position p.224
• Indoor unit p.224
• Method of field set p.225
• Field setting p.225
• Wireless remote controller p.226
• Si18 201 method of field set p.226
• Setting contents p.226
• Procedure 1 when in the normal mode push the button for a minimum of four seconds and the field set mode is entered 2 select the desired mode no with the button 3 push the button and select the first code no 4 push the button and select the second code no 5 push the button and the present settings are set 6 push the button to return to the normal mode p.226
• Operating test 213 p.226
• Note if optional accessories are mounted on the indoor unit the indoor unit setting may have to be changed refer to the instruction manual optional hand book for each optional accessory p.226
• Note a heat pump type indoor unit is used for cooling only twin system in case of using ceiling mounted cassette and ceiling suspended types p.226
• Initial setting contents p.226
• Indoor models p.226
• Ceiling mounted cassette type p.226
• Ceiling mounted built in type p.226
• Setting of air flow direction adjustment range p.227
• Remote control thermostat p.227
• Notes 1 setting is made in all units in a group to set for individual indoor units or to check the setting use the mode nos with 2 in upper digit in parentheses 2 the setting position no is set to 01 at the factory except for the following cases in which 02 is set p.227
• Local setting mode no p.227
• Filter sign indication only for ceiling mounted duct type p.227
• Example to set the filter sign time to filter contamination heavy for all units in a group set mode no to 10 setting switch no to 0 and setting position no to 02 p.227
• Automatic restart after power outage p.227
• Make the following setting according to the ceiling height the setting position no is set to 01 at the factory p.228
• In the case of fhyc 35 to 71 class p.228
• If switching the filter sign on time set as given in the table below set time p.228
• Filter sign setting p.228
• Do not set any items other than those listed in the above table 8 functions that indoor units are not equipped with will not be displayed 9 when returning to normal mode 88 may be displayed on the lcd section of the remote controller due to initialization operation p.228
• Detailed explanation of setting modes p.228
• Ceiling type setting switch for air flow adjustment p.228
• Caution when auto restart after power outage reset is set be sure to turn off air conditioners then cut off the power supply before conducting maintenance inspection and other work if the power supply is cut off with the power switch left on air conditioners will automatically start operating when the power supply is turned on p.228
• Air flow direction setting p.228
• When installing sky air simultaneous operation multi unit set to either twin or triple only when the factory setting is changed it is necessary to make a setting using a remote controller 4 for further details see the installation instruction 5 since drafts may result carefully select the installation location 6 when power returns units resume the settings made before the power outage p.228
• Setting table p.228
• Set the air flow 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 set to 01 p.228
• When the cool heat thermostat is off you can stop the indoor unit fan by switching the setting to fan off p.231
• When a ultra long life filter is installed the filter sign timer setting must be changed p.231
• Used as a countermeasure against odor for barber shops and restaurants p.231
• Ultra long life filter sign setting p.231
• Setting table p.231
• Precautions set the unit no of the receiver and the wireless remote controller to be equal if the setting differs the signal from the remote controller cannot be transmitted 1 do not use any settings not listed in the table 2 for group control with a wireless remote controller initial settings for all the indoor units of the group are equal for group control refer to the installation manual attached to the indoor unit for group control p.231
• Fan speed off when thermostat is off p.231
• After setting stick the unit no label at decoration panel air discharge outlet as well as on the back of the wireless remote controller p.231
• Group number setting for central remote control p.233
• Please refer to operating installations of each controllers p.235
• 2 floor ceiling suspended dual type units p.236
• 1 thermostat off after the room temperature reaches the set temperature indoor units enter the operation stand by state p.236
• 1 all indoor units p.236
• With the thermostat off 1 the fan may start stop automatically this is not a failure at this point defrost is displayed on the wired type remote controller p.236
• With the thermostat off 1 the fan may start stop automatically this is not a failure p.236
• These cases are not troubles p.236
• Precautions for rmk140j rmx140j outdoor unit users p.236
• Outside air temperature for operation p.236
• In simultaneous operation in two or more rooms when heating operation is performed in one room cooling operation cannot be performed in other rooms the mode in the room where operation began first is given priority p.236
• In heating operation when all indoor units are stopped the outdoor unit stops its operation automatically after 5 minutes this is a part of preparation process for the next operation not a failure p.236
• In heating operation no warm air may come out temporarily this is to protect the outdoor unit not a failure at this point defrost is displayed on the wired type remote controller p.236
• In heating operation fan operation cannot be performed if the fan operation is selected the remote controller will display it as a current mode however the fan operation will not be performed p.236
• If you use the indoor unit listed below and have it connected to the multi type outdoor unit rmk140j rmx140j be sure to read this precautions use the furnished remote controller for the ceiling mounted cassette type the remote controller is an option choose one of the following remote controllers 1 wired type brc1b61 c 2 wireless type brc7c612w c h p brc7c613w c c o p.236
• Applicable model series p.236
• 3 skyair indoor units p.236
• Troubleshooting outdoor unit related 60 p.238
• Part 9 service diagnosis p.238
• Part 9 part 9 part 9 part 9 service diagnosis service diagnosis service diagnosis service diagnosis p.238
• Bp unit trouble diagnosis 10 p.238
• Troubleshooting split type indoor unit 26 p.238
• Troubleshooting skyair indoor unit 46 p.238
• Troubleshooting with the operation lamp p.239
• Troubleshooting split type indoor unit p.239
• The code indication changes in the sequence shown below and notifies with along beep p.241
• Service check function p.241
• Press the timer cancel button repeatedly until a continuous beep is produced p.241
• Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute p.241
• In the arc423a series the temperature display sections on the main unit indicate corresponding codes 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section p.241
• Arc423 series ftk x 25 35j series p.241
• The code indication changes in the sequence shown below and notifies with a long beep p.242
• Press the timer cancel button repeatedly until a continuous beep is produced p.242
• Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute p.242
• In the arc417a series the temperature display sections on the main unit indicate corresponding codes 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section p.242
• Arc417 series ftk x 50 60h series p.242
• Code indication on the remote controller p.243
• Error codes and description of fault p.243
• Varies depending on the cases p.244
• Troubleshooting p.244
• Indoor units p.244
• Green flashes when in normal condition red off in normal condition not used for troubleshooting p.244
• Ftk x 50 60h cdk x 25 60h series p.244
• Ftk x 25 35 j series not used for troubleshooting p.244
• Blinks p.244
• 5 5 5 c9 p.244
• 5 5 5 c p.244
• 5 5 5 a6 p.244
• 5 5 5 a5 p.244
• Troubleshooting detail p.245
• Faulty pcb p.245
• Operation halt due to the freeze protection function p.246
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.247
• Troubleshooting split type indoor unit si18 201 p.247
• Troubleshooting p.247
• Service diagnosis p.247
• Check no refer to p 05 p.247
• Operation halt due to short circuit inside the fan motor winding p.248
• Operation halt due to faulty capacitor of the fan motor p.248
• Operation halt due to fan motor ac motor or related abnormality p.248
• Operation halt due to breaking of wire inside the fan motor p.248
• Operation halt due to breaking of the fan motor lead wires p.248
• Note no led display on ftk x 25 35j series p.248
• Method of malfunction detection p.248
• Malfunction decision conditions p.248
• Indoor unit led display a p.248
• Detection error due to faulty indoor unit pcb 2 p.248
• Detection error due to faulty indoor unit pcb 1 p.248
• When the detected rotation speed is less than 50 of the hh tap under maximum fan motor rotation demand p.248
• Check no 5 refer to p 09 p.248
• Troubleshooting p.248
• The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation p.248
• Supposed causes p.248
• Remote controller display p.248
• Operation halt due to detection of thermistor or related abnormality p.249
• C4 c5 c9 ca p.249
• Faulty indoor unit pcb p.250
• Faulty indoor unit pcb p.251
• Faulty power supply or indoor unit pcb for ftk x 25 35j p.252
• Faulty power supply or indoor unit pcb for ftk x 50 60h cdk x 25 60h p.253
• Troubleshooting p.254
• Si18 201 troubleshooting split type indoor unit p.254
• Service diagnosis 241 p.254
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.254
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.255
• Troubleshooting split type indoor unit si18 201 p.255
• Troubleshooting p.255
• Service diagnosis p.255
• Check no 6 refer to p 09 p.255
• Signal transmission error between indoor and outdoor units p.256
• Remote controller display p.256
• Note no led display on ftk x 25 35j series p.256
• Method of malfunction detection p.256
• Malfunction decision conditions p.256
• Indoor unit outdoor unit signal transmission error due to wiring error p.256
• Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform p.256
• Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 p.256
• Indoor unit led display a p.256
• Faulty outdoor unit pcb p.256
• Faulty indoor unit pcb p.256
• Check no 3 refer to p 08 p.256
• When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal p.256
• Troubleshooting p.256
• The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal p.256
• Supposed causes p.256
• Signal transmission error between indoor unit and remote controller p.257
• Troubleshooting p.258
• Si18 201 troubleshooting split type indoor unit p.258
• Service diagnosis 245 p.258
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.258
• Troubleshooting skyair indoor unit p.259
• The inspection test button p.259
• Self diagnosis by wired remote controller p.260
• Fault diagnosis by wireless remote controller p.261
• Troubleshooting by led on the indoor unit s p.263
• Explanation for symbols p.264
• Blinks p.264
• Troubleshooting by remote controller display led display p.264
• Possibility of malfunction p.264
• Off no connection with troubleshooting p.264
• Note 1 the asterisk p.264
• Malfunction code and led display table p.264
• Low probability of malfunction no possibility of malfunction do not replace p.264
• Indoor unit p.264
• Indicates variety of circumstances 2 no h2p for dedicated cooling only model 35 60 class p.264
• High probability of malfunction p.264
• Troubleshooting detail p.265
• Failure of indoor unit pc board p.265
• Malfunction of drain water level system float type p.266
• Troubleshooting skyair indoor unit si18 201 p.267
• Troubleshooting p.267
• Service diagnosis p.267
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.267
• Indoor unit fan motor lock p.268
• Swing flap motor malfunction lock p.269
• Failure of capacity setting p.270
• Troubleshooting p.271
• Thermistor temperature and resistance conversion table p.271
• Supposed causes p.271
• Remote controller display p.271
• Method of malfunction detection p.271
• Malfunction of heat exchange temperature sensor system p.271
• Malfunction detection is carried out by temperature detected by heat exchanger sensor p.271
• Malfunction decision conditions p.271
• Failure of the sensor itself p.271
• Failure of electronic circuitry indoor unit pc board p.271
• Failure of connector contact p.271
• Broken or disconnected wire p.271
• Applicable models all indoor unit models p.271
• When the heat exchanger thermistor becomes disconnected or short circuited while the unit is running p.271
• When the suction air temperature sensor s thermistor becomes disconnected or short circuited while the unit is running p.272
• Troubleshooting p.272
• Thermistor temperature and resistance conversion table p.272
• Supposed causes p.272
• Remote controller display p.272
• Method of malfunction detection p.272
• Malfunction of suction air temperature sensor system p.272
• Malfunction detection is carried out by temperature detected by suction air temperature sensor p.272
• Malfunction decision conditions p.272
• Failure of the sensor itself p.272
• Failure of indoor unit pc board p.272
• Failure of connector contact p.272
• Broken or disconnected wire p.272
• Applicable models aii indoor unit models p.272
• Troubleshooting outdoor unit related p.273
• Check no refer to p 00 p.273
• Troubleshooting p.273
• The unit runs but doesn t cool heat the room p.273
• Supposed causes p.273
• Stop valve closed p.273
• Incorrect temperature setting p.273
• Improper load for the capacity p.273
• Gas shortage p.273
• Faulty installation of indoor unit outdoor unit p.273
• Excessively long refrigerant pipe p.273
• Evp malfunction p.273
• Evn malfunction p.273
• Evh malfunction p.273
• Clogged refrigerant circuit etc p.273
• Clogged air filter p.273
• Unconnectable models p.273
• Check no refer to p 06 p.273
• Troubleshooting p.274
• Si18 201 troubleshooting outdoor unit related p.274
• Service diagnosis 261 p.274
• Troubleshooting outdoor unit related si18 201 p.275
• Trouble daignosis p.275
• Service diagnosis p.275
• 7 seg display on the outdoor p c board p.275
• Faulty outdoor unit fan p.276
• Faulty high pressure switch p.276
• Faulty connectors connection of high pressure switch p.276
• Disconnection of high pressure switch s harness p.276
• Dirty indoor unit heat exchanger p.276
• Continuity of the high pressure switch is detected by the safety device circuitry p.276
• When hps malfunction is generated 4 times the system shuts down p.276
• Check no refer to p 01 p.276
• Troubleshooting detail p.276
• Troubleshooting p.276
• Check no refer to p 00 p.276
• The 4 time counter resets itself when no outdoor unit abnormality occurs within 60 minute cumulative time after the error generation p.276
• Supposed causes p.276
• Over charged with refrigerant p.276
• Outdoor unit indication p.276
• Motorized valve clogged p.276
• Method of malfunction detection p.276
• Malfunction decision conditions p.276
• High pressure malfunction p.276
• Compressor lock p.277
• Faulty fan motor p.278
• Fan lock overcurrent p.278
• Fan lock is detected using the voltage signal given to the fan and number of turns of the fan motor p.278
• Check no refer to p 01 p.278
• When the fan ran with 30rpm or less continuously for 6 seconds in the waveform output when ocp signal was sent from the fan driver p.278
• When a fan lock overcurrent is generated 4 times the system shuts down the 4 time counter resets itself when no outdoor unit abnormality occurs within 60 minute cumulative time after the error generation p.278
• Troubleshooting p.278
• Supposed causes p.278
• Overcurrent is detected by the signal from driver p.278
• Outdoor unit indication p.278
• Method of malfunction detection p.278
• Malfunction decision conditions p.278
• Interference by foreign matters with propeller p.278
• Faulty fan pc board p.278
• Operation halt due to detection of inv input current error p.279
• Malfunction decision conditions p.280
• Incorrect connectors connection of electronic expansion valve p.280
• Faulty harness of electronic expansion valve p.280
• Faulty electronic expansion valve p.280
• Detection by checking continuity and lack of connector p.280
• Troubleshooting p.280
• Supposed causes p.280
• Outside cause noise etc p.280
• Outdoor unit indication p.280
• Note the applicable part of motorized valve is displayed via rotary switch 01 p.280
• Method of malfunction detection p.280
• Malfunction of electronic expansion valve p.280
• Malfunction is determined by no common voltage applied when turning the power supply on p.280
• Operation halt due to discharge pipe temperature control p.281
• Lp drop error p.282
• Malfunction of high pressure switch system p.283
• Incorrect detection due to faulty outdoor unit pc board p.284
• Incorrect detection due to disconnected relay of compressor p.284
• Faulty start of the compressor is detected by checking the turning information of the compressor via position detector of electrical parts p.284
• Check no refer to p 04 p.284
• Check no refer to p 03 p.284
• When the compressor did not turn in approximately 15 seconds after starting operation frequency 4 times clear condition 60 minute continuous run normal p.284
• Troubleshooting p.284
• Supposed causes p.284
• Outdoor unit indication p.284
• Operation halt due to faulty position detection sensor p.284
• Method of malfunction detection p.284
• Malfunction to start due to stop valve closed p.284
• Malfunction to start due to faulty outdoor unit pc board p.284
• Malfunction to start due to faulty compressor p.284
• Malfunction decision conditions p.284
• Input voltage error p.284
• Fan position detection error p.285
• Operation halt due to detection of ct error p.286
• Faulty outside air thermistor p.287
• Faulty outside air temperature sensor p.287
• Faulty connectors connection of outside air temperature sensor p.287
• When the outside air temperature sensor became short circuited or open p.287
• Troubleshooting p.287
• Supposed causes p.287
• Outdoor unit indication p.287
• Method of malfunction detection p.287
• Malfunction decision conditions p.287
• When the discharge temperature sensor became short circuited or open p.288
• Troubleshooting p.288
• Supposed causes p.288
• Outdoor unit indication p.288
• Method of malfunction detection p.288
• Malfunction decision conditions p.288
• Faulty discharge thermistor p.288
• Faulty discharge temperature sensor p.288
• Faulty connectors connection of discharge temperature sensor p.288
• Faulty connectors connection of suction temperature sensor p.289
• When the suction temperature sensor became short circuited or open p.289
• Troubleshooting p.289
• Supposed causes p.289
• Outdoor unit indication p.289
• Method of malfunction detection p.289
• Malfunction decision conditions p.289
• Faulty suction temperature sensor p.289
• Faulty of suction thermistor p.289
• Troubleshooting p.290
• Supposed causes p.290
• Outdoor unit indication p.290
• Method of malfunction detection p.290
• Malfunction decision conditions p.290
• Faulty heat exchanger thermistor p.290
• Faulty heat exchanger temperature sensor p.290
• Faulty connectors connection of heat exchanger temperature sensor p.290
• When the heat exchanger temperature sensor became short circuited or open p.290
• When the liquid pipe temperature sensor became short circuited or open p.291
• Troubleshooting p.291
• Supposed causes p.291
• Outdoor unit indication p.291
• Method of malfunction detection p.291
• Malfunction decision conditions p.291
• Faulty of liquid pipe thermistor p.291
• Faulty liquid pipe temperature sensor p.291
• Faulty connectors connection of liquid pipe temperature sensor p.291
• Outdoor unit indication p.292
• Method of malfunction detection p.292
• Malfunction decision conditions p.292
• Faulty connectors connection of bp liquid pipe temperature sensor p.292
• Faulty bp liquid pipe thermistor p.292
• Faulty bp liquid pipe temperature sensor p.292
• When the bp liquid pipe temperature sensor became short circuited or open p.292
• Troubleshooting p.292
• Supposed causes p.292
• When the bp gas pipe temperature sensor became short circuited or open p.293
• Troubleshooting p.293
• Supposed causes p.293
• Outdoor unit indication p.293
• Method of malfunction detection p.293
• Malfunction decision conditions p.293
• Faulty connectors connection of bp gas pipe temperature sensor p.293
• Faulty bp gas pipe thermistor p.293
• Faulty bp gas pipe temperature sensor p.293
• Faulty connectors connection of lp sensor p.294
• Error is determined by the lp sensor value when the compressor is off 2 error is determined by the lp sensor value in normal operation when the compressor is on 3 error is determined by the lp sensor value when a certain time range passed after standby operation at time of starting p.294
• Defective lp sensor p.294
• Abnormal lp error p.294
• When heating refrigerant amount 0 5 p.294
• When either of 1 3 conditions mentioned above was satisfied p.294
• When cooling refrigerant amount 0 20 p.294
• Troubleshooting p.294
• Supposed causes p.294
• Possibility of gas shortage p.294
• Outdoor unit indication p.294
• Method of malfunction detection p.294
• Malfunction decision conditions p.294
• Rise in box temperature p.295
• Abnormal rise in fin temperature p.296
• Operation halt due to detection of output overcurrent p.297
• Check no refer to p 04 p.298
• Check no refer to p 03 p.298
• Check no refer to p 00 p.298
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.298
• Troubleshooting p.298
• Si18 201 troubleshooting outdoor unit related p.298
• Service diagnosis 285 p.298
• Integrated input current stop p.299
• Electronic thermal p.300
• Stall prevention p.301
• Transmission error between microcomputers p.302
• Instantaneous power failure p.303
• Faulty reactor p.303
• Faulty power transistor p.303
• Faulty pc board p.303
• Electrolytic capacitor malfunction p.303
• When after starting the compressor the voltage reached to below 210v over 450v before it exceeded 320v or to below 260v or over 450v after it exceeded 320v once p.303
• Disconnection faulty connection of internal wiring p.303
• When a power supply system error is generated 4 times the system shuts down the 4 time counter resets itself when no outdoor unit abnormality occurs within 60 minute cumulative time after the error generation p.303
• Check no refer to p 02 p.303
• Troubleshooting p.303
• Check no 3 refer to p 08 p.303
• Supposed causes p.303
• Check no 2 refer to p 07 p.303
• Power supply system error is detected using the voltage of inverter dc unit p.303
• Pam module malfunction p.303
• Overvoltage low voltage p.303
• Outdoor unit indication p.303
• Mismatching with power supply of feedback control system p.303
• Method of malfunction detection p.303
• Malfunction decision conditions p.303
• Malfunction decision conditions p.304
• Incorrect connection of transmission wire p.304
• Distortion of power supply wave p.304
• Connection from side a of bp is not carried out p.304
• Bp determined numbers are different from actual bp numbers p.304
• When the data from bp unit could not be correctly received continuously for 15 seconds p.304
• Troubleshooting p.304
• Transmission error is detected when the data from bp unit could not be correctly received p.304
• Transmission error between outdoor unit and bp unit p.304
• Supposed causes p.304
• Outdoor unit indication p.304
• Method of malfunction detection p.304
• Troubleshooting outdoor unit related si18 201 p.305
• Troubleshooting p.305
• Service diagnosis p.305
• Check no 4 refer to p 08 p.305
• Method of malfunction detection p.306
• Malfunction decision conditions p.306
• Incorrect connection of transmission wire p.306
• Distortion of power supply waveform p.306
• Check no 4 refer to p 08 p.306
• When bp unit could not correctly receive the data from indoor unit continuously for 15 seconds and transmitted the data incorrectly to outdoor unit p.306
• Troubleshooting p.306
• Transmission error is detected when bp unit could not correctly receive the data from bp unit to transmit the data incorrectly to outdoor unit p.306
• Transmission error between indoor unit and bp unit p.306
• Supposed causes p.306
• Outdoor unit indication p.306
• Troubleshooting p.307
• Transmission error of dc fan p.307
• Supposed causes p.307
• Outside causes noise etc p.307
• Outdoor unit indication p.307
• Method of malfunction detection p.307
• Malfunction of control pc board receiving circuit p.307
• Malfunction decision conditions p.307
• Incorrect connectors connection p.307
• Dc fan microcomputer malfunction p.307
• When transmission error with dc fan microcomputer continued for 60 seconds p.307
• Operation halt due to detection of gas shortage p.308
• Troubleshooting outdoor unit related si18 201 p.309
• Troubleshooting p.309
• Service diagnosis p.309
• Ct check refer to p 73 p.309
• Check no refer to p 01 p.309
• Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred p.309
• System malfunction p.310
• Faulty box thermistor malfunction p.311
• Faulty fin thermistor p.312
• Service diagnosis p.313
• Installation condition check p.313
• How to check p.313
• Discharge pressure check p.313
• Check no p.313
• Troubleshooting outdoor unit related si18 201 p.313
• Fan motor position signal check p.314
• Electronic expansion valve check p.314
• Troubleshooting outdoor unit related si18 201 p.315
• Service diagnosis p.315
• Internal wiring check 1 p.315
• Check no check the wiring at the sections marked by the boxes in the diagram check for breaking of wire and wiring errors in the case of rmx140jvmc p.315
• Power transistor check capacitor voltage check p.316
• Measure u v w either on terminals of control pc board on the substrate side or on the compressor terminals p.316
• Measure of the power transistor on section of capacitor as shown in the figure below p.316
• If the resistance value is not normal replace the control pc board p.316
• Follow the below figure to measure the capacitor voltage with breaker kept on while take enough care not to touch the charging unit p.316
• Even when touching the charging unit after 10 minutes use a multiple meter to ensure that the power supply voltage of power transistor is 50v or less p.316
• Do not touch the charging unit for 10 minutes after turning the breaker off p.316
• Check no power transistor check p.316
• Capacitor voltage check p.316
• Power transistor output check p.317
• Thermistor resistance check p.318
• Check no remove the connectors of the thermistors on the pcb and measure the resistance of each thermistor using tester the relationship between normal temperature and resistance is shown in the graph and the table below p.318
• Troubleshooting outdoor unit related si18 201 p.319
• Service diagnosis p.319
• Inverter units refrigerant system check p.319
• Inverter units input current measurement p.319
• Check no 0 mount a clamp meter to the red harness indicated by the arrow p.319
• Check no p.319
• And conduct forced cooling operation in the case of rmx140jvmc p.319
• Voltage check when starting the compressor p.320
• Si18 201 troubleshooting outdoor unit related p.320
• Service diagnosis 307 p.320
• Electrolytic capacitor capacity check p.320
• Check no 2 p.320
• Check no 1 p.320
• Troubleshooting outdoor unit related si18 201 p.321
• Total operating current check p.321
• Service diagnosis p.321
• Power supply waveforms check p.321
• Fig fig p.321
• Check to see if there is waveform disturbance near the zero cross sections circled in fig p.321
• Check to see if the power supply waveform is a sine wave fig p.321
• Check no 4 p.321
• Check no 3 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance p.321
• Inverter units indoor unit pcb 2 output voltage check p.322
• Inverter units hall ic check p.322
• Pcb parts layout p.323
• Led on branch provider unit diagnosis leds p.323
• Bp unit trouble diagnosis p.323
• Indoor unit 42 p.324
• For bpmk928b42 43 12 p.324
• Part 10 removal procedure p.324
• Part 10 part 10 part 10 part 10 removal procedure removal procedure removal procedure removal procedure p.324
• Outdoor unit 20 p.324
• Installation of indoor unit p.325
• For bpmk928b42 43 p.325
• Opening of electrical box cover and removal of pcb mount p.326
• Removal of motorized valve p.328
• Removal of thermistor p.331
• Removal of outer panels p.333
• Outdoor unit p.333
• Removal of pcb and electrical box p.334
• Slide the front section to the right and release it off the two hooks at the back p.337
• Remove the two lock screws from the front section p.337
• Disconnect the two relay connectors on the side p.337
• The fan control pcb is located as shown at right remove the four locking card spacers and detach the pcb p.341
• Detaching the fan control pcb p.341
• Removal of propeller fans and fan motors p.342
• Removal of thermistor p.344
• Removal of motorized valve p.345
• Removal of sound insulation p.347
• Undo the two points of the sound insulation fixture string p.348
• Open the sound insulation and draw it out p.348
• Draw out the sound insulation cover from the bottom of the compressor p.348
• Removal of compressor p.349
• Removal of 4 way valve p.351
• Refer following table for indoor unit removal procedure p.355
• Indoor unit p.355
• Wiring 48 p.356
• Part 11 part 11 part 11 part 11 cautions before operation cautions before operation cautions before operation cautions before operation p.356
• Part 11 cautions before operation p.356
• Others 54 p.356
• Installation 44 p.356
• Outdoor unit p.357
• Installation service space the horizontal coupling and stacking are not allowed p.357
• Installation procedure p.357
• Installation p.357
• Carrying in p.357
• Si18 201 installation p.358
• Caution before operation 345 p.358
• Wall mounted p.359
• Precaution cut the piping on the standard accessories to match the indoor unit s piping diameter p.359
• Installation p.359
• Bp unit p.359
• Be sure to leave a 600mm square opening for service and maintenance p.359
• Si18 201 installation p.360
• Installation of the main unit p.360
• Cautions p.360
• Caution before operation 347 p.360
• Wiring p.361
• Outdoor unit p.361
• Electric wiring connection p.361
• Connection electric wire treatment caution p.361
• Si18 201 wiring p.362
• Make sure numbers 1 2 and 3 all match p.362
• Caution before operation 349 p.362
• Bp unit connection priority p.362
• Be sure to attach this p.362
• Warning p.363
• Room c p.363
• Room b p.363
• Room a p.363
• Connecting the wiring p.363
• Caution before operation p.363
• Bp unit p.363
• Wiring si18 201 p.363
• Warning p.364
• Si18 201 wiring p.364
• Room c p.364
• Room b p.364
• Room a p.364
• Operating test p.364
• Cautions p.364
• Caution before operation 351 p.364
• Wiring si18 201 p.365
• Outdoor unit rotary switch setting p.365
• Caution before operation p.365
• Si18 201 wiring p.366
• Caution before operation 353 p.366
• Others p.367
• Explanation for ftk x 25 35j series p.367
• Test run from the remote controller for heat pump model only p.367
• Wireless remote controller p.368
• When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses p.368
• Slide the metallic cover to remove it 4 claws on the electric parts box p.368
• Remove the sensor parts cover 2 screws then remove the electric parts box 1 screw p.368
• Remove the front panel p.368
• Pcb in the indoor unit p.368
• Note the power failure recovery function is controlled by the on signal from the centralized control pc board the following may occur if the unit is used without cutting jumper jc p.368
• Method of operating air conditioners individually when two units are installed in one room for cooling only and heat pump model p.368
• If the unit was running when a power failure occurred it may not resume operation after recovering from a power failure p.368
• How to set the different addresses p.368
• For an explanation on usage see the option handbook however do the following when using the krp413a1s contact connection centralized control pc board p.368
• Dry keep change over switch all indoor models for cooling only and heat pump model p.368
• Cut the jumper ja on pcb p.368
• Cut the jumper j4 p.368
• Centralized control for krc72 krp413a1s p.368
• Adjusting the angle of the intelligent eye sensor p.369
• Test run from the remote controller for heat pump model only p.370
• Method of operating air conditioners individually when two units are installed in one room for cooling only and heat pump model p.370
• Explanation for ftk x 50 60h and cdk x 25 60h series p.370
• Note the power failure recovery function is controlled by the on signal from the centralized control pc board the following may occur if the unit is used without cutting jumper jc p.371
• If the unit was running when a power failure occurred it may not resume operation after recovering from a power failure p.371
• For an explanation on usage see the option handbook however do the following when using the krp410a11s contact connection centralized control pc board p.371
• Dry keep change over switch all indoor models for cooling only and heat pump model p.371
• Centralized control for krc72 krp411a1s and krp410a11s p.371
• Wiring diagrams 70 p.372
• Piping diagrams 60 p.372
• Part 12 part 12 part 12 part 12 appendix appendix appendix appendix p.372
• Part 12 appendix p.372
• Piping diagrams p.373
• Outdoor units p.373
• Appendix p.373
• Rmk140jvmc9 8 rmk140jvmt9 rmk140jzvma p.373
• Rmk140javm p.373
• Piping diagrams si18 201 p.373
• Si18 201 piping diagrams p.374
• Rmx140jvmc9 8 rmx140jvmt9 rmx140jvmb rmx140jzvmb p.374
• Appendix 361 p.374
• Piping diagrams si18 201 p.375
• Note 1 brazing for the field piping connection 2 use the pipe attached if the pipe size is not matched when connecting indoor unit adjustable for the connecting direction p.375
• Bpmk928b43 p.375
• Bpmk928b42 p.375
• Bp units p.375
• Appendix p.375
• Indoor units p.376
• Ftkd50 60 71jve a 9 ftkd50 60 71jvet p.376
• Ftk25 35jve a 9 ftx25 35jvea9 ftk25 35jvec ftx25 35jvec ftk25 35javet ftx25 35javet ftx25 35jav1nb p.376
• Appendix 363 p.376
• Si18 201 piping diagrams p.376
• Piping diagrams si18 201 p.377
• Indoor unit p.377
• Ftxd50 60 71jvea 9 ftxd50 60 71jvet ftxd50 60 71jv1b p.377
• Cdk25 35 50 60have a cdk25 35 50 60havec cdk25 35 50 60havet p.377
• Appendix p.377
• Si18 201 piping diagrams p.378
• Flk25 35 50 60hve a flk25 35 50 60hvec flk25 35 50 60hvet p.378
• Cdx25 35 50 60havea cdx25 35 50 60havec cdx25 35 50 60hav1nb cdx25 35 50 60jv1nb cdx 25 35jvec p.378
• Appendix 365 p.378
• Piping diagrams si18 201 p.379
• Indoor unit p.379
• Flx25 35hvea flx25 35 50 60hvec flx25 35 50 60hvet flx25 35hv1nb p.379
• Flk50 60jvea 9 p.379
• Appendix p.379
• A 6 6 9 15 15 p.380
• Si18 201 piping diagrams p.380
• Flx50 60jvea 9 flx50 60jv1b p.380
• Field piping φ b cut p.380
• Field piping φ a cut p.380
• Fhyc35 fhyc50 60 fhyc71 fdym60 fdym03 p.380
• Fhyc35 50 60 71kve9 fhyc35 50 60 71kv1c9 fdym60 03fav1 c fdym60 03faval p.380
• B 12 15 15 6 9 p.380
• Appendix 367 p.380
• Piping diagrams si18 201 p.381
• Indoor unit p.381
• Ftxd25 35kzv1b p.381
• Ftk50 60hvec ftx50 60hvec p.381
• Appendix p.381
• Indoor unit p.382
• Fvx25 35kzv1b p.382
• Appendix 369 p.382
• Si18 201 piping diagrams p.382
• Wiring diagrams si18 201 p.383
• Wiring diagrams p.383
• Rmx140jvmc9 8 p.383
• Rmk140jvmc9 8 p.383
• Outdoor units p.383
• Appendix p.383
• Si18 201 wiring diagrams p.384
• Rmx140jvmt9 p.384
• Rmk140jvmt9 p.384
• Power supply p.384
• Appendix 371 p.384
• Appendix p.385
• Ta5 ta6 connector p.385
• Power supply 50hz 230v p.385
• L live p.385
• Active module p.385
• Sw5 up sw6 set sw sw7 test operation sw p.385
• Power supply p.385
• Hps high pressure sw pm power module p.385
• Acp connector p.385
• Sw4 pump down sw down p.385
• Pcb1 pcb4 p.385
• H1p h4p pilot lamp p.385
• Acn connector p.385
• Sw1 sw2 address sellect sw p.385
• Outdoor p.385
• H102 h105 wire harness p.385
• Suction p.385
• Operation mode sellect sw p.385
• H102 h105 p.385
• Sp low pressure sensor p.385
• Ois15 solid state relay p.385
• Grn grn grn grn ylw ylw ylw ylw grn p.385
• Z1c z6c ferrite core p.385
• Sa900 surge absorber p.385
• N neutral p.385
• Field wiring p.385
• Ylw wht p.385
• S101 s952 connector p.385
• Module active p.385
• Fg1 fg3 protective earth f1u fuse p.385
• Ylw blk p.385
• Ry3x ry84 magnetic relay p.385
• Magnetic p.385
• F1u 3 5a p.385
• X1m x4m terminal strip p.385
• Ry3x ry84 p.385
• M1f m2f fan motor p.385
• Electronic expansion valve p.385
• Wiring diagrams si18 201 p.385
• M1c compressor motor p.385
• Discharge p.385
• Wiring p.385
• Rmx140jvmb rmx140jzvmb p.385
• Lower side p.385
• Current transformer p.385
• V900 v901 varistor p.385
• Rmk140javm p.385
• Liquid p.385
• Ct900 ct902 p.385
• Uper side p.385
• Red blk blk p.385
• Led2 led4 7 segment p.385
• Condenser p.385
• To bp unit p.385
• R250 r251 resistor p.385
• L900 l904 coil p.385
• C900 c927 capacitor c1r capacitor p.385
• Terminals of the comp assignments of p.385
• R1t r5t thermistor p.385
• L1r l2r reactor p.385
• Blk blk p.385
• Tb2 tb8 connector p.385
• Printed circuit board p.385
• Ry3x ry84 p.386
• Rmk140jzvma p.386
• Magnetic p.386
• D031259 p.386
• Appendix 373 p.386
• Si18 201 wiring diagrams p.386
• Wiring diagrams si18 201 p.387
• Bpmk928b43 p.387
• Bpmk928b42 p.387
• Bp units p.387
• Appendix p.387
• Indoor units p.388
• Ftk25 35jvec p.388
• Ftk25 35jve a 9 ftk25 35javet p.388
• Cooling only p.388
• Wiring diagrams si18 201 p.389
• Ftkd50 60 71jve a 9 ftkd50 60 71jvet p.389
• Ftk50 60hvec p.389
• Appendix p.389
• Cdk25 35 50 60have a cdk25 35 50 60havet p.390
• Appendix 377 p.390
• Si18 201 wiring diagrams p.390
• Cdk25 35 50 60havec p.390
• Wiring diagrams si18 201 p.391
• Flk25 35 50 60hvec p.391
• Flk25 35 50 60hve a flk25 35 50 60hvet p.391
• Appendix p.391
• Si18 201 wiring diagrams p.392
• Flk50 60jvea 9 p.392
• Caution p.392
• Appendix 379 p.392
• Fhyc35 50 60 71kve9 p.393
• Fhyc35 50 60 71kv1c9 p.394
• Fdym60 03fav1 fdym60 03faval p.395
• Fdym60 03fav1c p.396
• Ftx25 35jvea9 ftx25 35javet ftx25 35jav1nb ftxd25 35kzv1b p.397
• Appendix p.397
• Wiring diagrams si18 201 p.397
• Heat pump p.397
• Ftxd50 60 71jvea 9 ftxd50 60 71jvet ftxd50 60 71jv1b p.397
• Si18 201 wiring diagrams p.398
• Flx25 35hvea flx25 35 50 60hvet flx25 35hv1nb p.398
• Cdx25 35 50 60havea cdx25 35 50 60hav1nb cdx25 35 50 60jv1nb p.398
• Appendix 385 p.398
• Ftx25 35jvec p.399
• Flx50 60jvea 9 flx50 60jv1b p.399
• Si18 201 wiring diagrams p.400
• Ftx50 60hvec p.400
• Cdx25 35 50 60havec cdx25 35jvec p.400
• Caution p.400
• Appendix 387 p.400
• Caution p.401
• Appendix p.401
• Wiring diagrams si18 201 p.401
• Fvx25 35kzv1b p.401
• Flx25 35 50 60hvec p.401
• Symbols p.402
• Numerics p.402
• Index index index index p.402
• Numerics p.406
• Drawings flow charts drawings flow charts drawings flow charts drawings flow charts p.406
• Drawings flow charts p.406
• Printed in japan 10 2002 ak p.410
• For further improvement specifications or designs are subject to change without prior notice p.410