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Daikin RXYQ14MAY1 [160/352] Multi outdoor units connection
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SiE39-407 Field Setting
Test Operation 149
e Setting of COOL/HEAT selection in a batch of outdoor unit system by each outdoor unit external
control adapter with the use of COOL/HEAT centralized remote controller
Mount the outdoor unit external control adapter (optional part) to OUT-OUT, IN-OUT, or IN-
IN transmission line.
While in "Setting mode 1", set all outdoor units to Batch slave
.
Set the SS1 of the outdoor unit external control adapter to Batch
(factory set) or Cool, and
the SS2 to ON
.
Position the DS2/DS1 of the outdoor unit external control adapter in relation to COOL/HEAT
batch address of the outdoor unit PC board while in "Setting mode 2". (Be noted that
addresses are all set to "0" at factory.)
Multi outdoor units connection
F1
OFF
IND MASTER
C/H SELECT
C/H SELECT R.C.
I-O
<Master unit> <Slave unit>
To indoor unitTo indoor unit
ABCF1F2F1F2Q1Q2
O-O
OUT-MULTI
C/H SELECT
O
I
SLAVE
MODE
TEST
L.N.O.P.
DEMAND
C/H
CENTRAL
NO.
TERMINAL
ADDRESS
BOTH C/H DE
FUNCTION
ON
CENTRAL
C/H
SELECTOR
S S 2
CN24
H3P H4P H5P
D S 2D S 1
S S 1
Adapter for outside control of outdoor units
F2
N
P
IND MASTER
C/H SELECT
C/H SELECT R.C.
I-O
ABCF1F2F1F2Q1Q2
O-O
OUT-MULTI
C/H SELECT
O
I
SLAVE
MODE
TEST
L.N.O.P.
DEMAND
H3P H4P H5P
IND MASTER
C/H SELECT
C/H SELECT R.C.
I-O
ABCF1F2F1F2Q1Q2
O-O
OUT-MULTI
C/H SELECT
O
I
SLAVE
MODE
TEST
L.N.O.P.
DEMAND
Multi
H3P H4P H5P
IND MASTER
C/H SELECT
C/H SELECT R.C.
I-O
ABCF1F2F1F2Q1Q2
(V3060)
O-O
OUT-MULTI
C/H SELECT
O
I
SLAVE
MODE
TEST
L.N.O.P.
DEMAND
Multi
H3P H4P H5P
To indoor unit
Содержание
- Basic control 6 2
- Combination of outdoor units 4 model selection 2
- Function general 4 2
- Functional parts layout 7 2
- Introduction vi 2
- Model names of indoor outdoor units 2 external appearance 2
- Part 1 general information 2
- Part 2 specifications 2
- Part 3 refrigerant circuit 9 2
- Part 4 function 3 2
- R410a heat pump 50hz 2
- Refrigerant circuit 0 2
- Refrigerant flow for each operation mode 0 2
- Special control 5 2
- Specifications 0 2
- Other control 9 3
- Outdoor unit pc board layout 21 3 field setting 22 3
- Outline of control indoor unit 03 3
- Part 5 test operation 15 3
- Part 6 troubleshooting 65 3
- Protection control 4 3
- Symptom based troubleshooting 68 2 troubleshooting by remote controller 71 3
- Test operation 16 3
- Troubleshooting by indication on the remote controller 84 3
- List of electrical and functional parts 03 5
- Option list 11 5
- Part 7 appendix 69 5
- Piping diagrams 70 5
- Piping installation point 14 5
- Troubleshooting op central remote controller 47 5
- Troubleshooting op schedule timer 53 5
- Troubleshooting op unified on off controller 60 5
- Wiring diagrams for reference 79 5
- Drawings flow charts v 6
- Index i 6
- Part 8 precautions for new refrigerant r410a 27 6
- Precautions for new refrigerant r410a 28 6
- Selection of pipe size joints and header 16 6
- Thermistor resistance temperature characteristics 21 8 pressure sensor 23 9 method of replacing the inverter s power transistors and diode mod ules324 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Cautions regarding products after repair 8
- Warning 8
- Caution 9
- Inspection after repair 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 10
- Using icons 10
- Using icons list 10
- Preface 11
- Part 1 general information 12
- General information 13
- Indoor units 13
- Indoor units connection unit series 13
- Model names of indoor outdoor units 13
- Model names of indoor outdoor units sie39 407 13
- Note bev unit is required for each indoor unit 13
- Outdoor units 13
- Ceiling mounted built in type 14
- Ceiling mounted cassette corner type 14
- Ceiling mounted cassette type double flow 14
- Ceiling mounted cassette type multi flow 14
- Ceiling mounted duct type 14
- Ceiling suspended cassette type connection unit series 14
- Ceiling suspended type 14
- Concealed floor standing type 14
- External appearance 14
- Floor standing type 14
- Floor standing type connection unit series 14
- General information 3 14
- Indoor units 14
- Outdoor air processing unit 14
- Sie39 407 external appearance 14
- Slim ceiling mounted duct type 14
- Wall mounted type 14
- Wall mounted type connection unit series 14
- External appearance sie39 407 15
- General information 15
- Outdoor units 15
- Rxyq12ma 14ma 16ma 15
- Rxyq18ma 20ma rxyq22ma 24ma 26ma 15
- Rxyq28ma 30ma 32ma rxyq34ma 36ma 15
- Rxyq38ma 40ma 42ma rxyq44ma 46ma 48ma 15
- Rxyq5ma rxyq8ma 10ma 15
- Combination of outdoor units 16
- Connectable indoor units number and capacity 17
- General information 17
- Model selection 17
- Model selection sie39 407 17
- Vrv ii heat pump series 17
- Connectable indoor unit 18
- Connectable indoor unit connection unit series 18
- General information 7 18
- Hp 2 hp 2 hp 3 hp 4hp 5hp 8hp 10hp 18
- Indoor unit capacity 18
- New refrigerant model code p20 type p25 type p32 type p40 type p50 type p63 type p80 type p100 type p125 type p200 type p250 type selecting model capacity 2 kw 2 kw 3 kw 4 kw 5 kw 7 kw 9 kw 11 kw 14 kw 22 kw 28 kw equivalent output 0 hp 1hp 18
- Note bev unit is required for each indoor unit 18
- Sie39 407 model selection 18
- Use the above tables to determine the capacities of indoor units to be connected make sure the total capacity of indoor units connected to each outdoor unit is within the specified value kw the total capacity of connected indoor units must be within a range of 50 to 130 of the rated capacity of the outdoor unit in some models it is not possible to connect the maximum number of connectable indoor units select models so the total capacity of connected indoor units conforms to the specification 18
- Differences from conventional models 19
- Part 2 specifications 20
- Specifications 0 20
- Outdoor units 21
- Specifications 21
- Specifications sie39 407 21
- Sie39 407 specifications 22
- Specifications 11 22
- Specifications 23
- Specifications sie39 407 23
- Sie39 407 specifications 24
- Specifications 13 24
- Specifications 25
- Specifications sie39 407 25
- Sie39 407 specifications 26
- Specifications 15 26
- Specifications 27
- Specifications sie39 407 27
- Sie39 407 specifications 28
- Specifications 17 28
- Specifications 29
- Specifications sie39 407 29
- Sie39 407 specifications 30
- Specifications 19 30
- Specifications 31
- Specifications sie39 407 31
- Ceiling mounted cassette type double flow 32
- Indoor units 32
- Sie39 407 specifications 32
- Specifications 21 32
- Bybc50g w1 bybc63g w1 bybc125g w1 bybc125g w1 33
- Ceiling mounted cassette type double flow 33
- Specifications 33
- Specifications sie39 407 33
- Byfq60bw1 byfq60bw1 byfq60bw1 34
- Ceiling mounted cassette type multi flow 600 600 34
- Sie39 407 specifications 34
- Specifications 23 34
- Byfq60bw1 byfq60bw1 35
- Ceiling mounted cassette type multi flow 600 600 35
- Specifications 35
- Specifications sie39 407 35
- Bycp125d w1 bycp125d w1 bycp125d w1 bycp125d w1 36
- Ceiling mounted cassette type multi flow 36
- Sie39 407 specifications 36
- Specifications 25 36
- Bycp125d w1 bycp125d w1 bycp125d w1 bycp125d w1 37
- Ceiling mounted cassette type multi flow 37
- Specifications 37
- Specifications sie39 407 37
- Byk45fjw1 byk45fjw1 byk45fjw1 byk71fjw1 38
- Ceiling mounted cassette corner type 38
- Sie39 407 specifications 38
- Specifications 27 38
- Slim ceiling mounted duct type 39
- Specifications 39
- Specifications sie39 407 39
- Sie39 407 specifications 40
- Slim ceiling mounted duct type 40
- Specifications 29 40
- Bybs32djw1 bybs32djw1 bybs32djw1 41
- Ceiling mounted built in type 41
- Specifications 41
- Specifications sie39 407 41
- Bybs45djw1 bybs45djw1 bybs71djw1 42
- Ceiling mounted built in type 42
- Sie39 407 specifications 42
- Specifications 31 42
- Bybs125djw1 bybs125djw1 bybs125djw1 43
- Ceiling mounted built in type 43
- Specifications 43
- Specifications sie39 407 43
- Ceiling mounted duct type 44
- Sie39 407 specifications 44
- Specifications 33 44
- Ceiling mounted duct type 45
- Specifications 45
- Specifications sie39 407 45
- Ceiling suspended type 46
- Sie39 407 specifications 46
- Specifications 35 46
- Specifications 47
- Specifications sie39 407 47
- Wall mounted type 47
- Sie39 407 specifications 48
- Specifications 37 48
- Wall mounted type 48
- Floor standing type 49
- Specifications 49
- Specifications sie39 407 49
- Floor standing type 50
- Sie39 407 specifications 50
- Specifications 39 50
- Concealed floor standing type 51
- Specifications 51
- Specifications sie39 407 51
- Concealed floor standing type 52
- Sie39 407 specifications 52
- Specifications 41 52
- Bev units 53
- Ceiling suspended cassette type 53
- Connection unit 53
- Indoor unit 53
- Liquid pipes 53
- Specifications 53
- Specifications sie39 407 53
- Suction gas pipes 53
- Sie39 407 specifications 54
- Specifications 43 54
- Wall mounted type 54
- Bev units 55
- Liquid pipes 55
- Specifications 55
- Specifications sie39 407 55
- Suction gas pipes 55
- Wall mounted type 55
- Floor standing type 56
- Sie39 407 specifications 56
- Specifications 45 56
- Floor standing type 57
- Specifications 57
- Specifications sie39 407 57
- Outdoor air processing unit 58
- Sie39 407 specifications 58
- Specifications 47 58
- Functional parts layout 7 60
- Part 3 refrigerant circuit 60
- Refrigerant circuit 0 60
- Refrigerant flow for each operation mode 0 60
- Refirgerant circuit 61
- Refrigerant circuit 61
- Refrigerant circuit sie39 407 61
- Rxyq5ma 61
- D048203 62
- Refirgerant circuit 51 62
- Rxyq5ma 62
- Sie39 407 refrigerant circuit 62
- Refirgerant circuit 63
- Refrigerant circuit sie39 407 63
- Rxyq8ma 10ma 12ma 63
- D048033a 64
- Refirgerant circuit 53 64
- Rxyq8ma 10ma 12ma 64
- Sie39 407 refrigerant circuit 64
- Refirgerant circuit 65
- Refrigerant circuit sie39 407 65
- Rxyq14ma 16ma 65
- D048034a 66
- Refirgerant circuit 55 66
- Rxyq14ma 16ma 66
- Sie39 407 refrigerant circuit 66
- Z s j v 66
- Main control equipment 67
- Outdoor air processing unit fxmq125mfv1 250mfv1 67
- Refrigerant system 67
- Thermistor 67
- Front view 68
- Functional parts layout 68
- Refirgerant circuit 57 68
- Rxyq5ma 68
- Sie39 407 functional parts layout 68
- Front view 69
- Functional parts layout sie39 407 69
- Refirgerant circuit 69
- Rxyq8ma 10ma 12ma 69
- Front view 70
- Refirgerant circuit 59 70
- Rxyq14ma 16ma 70
- Sie39 407 functional parts layout 70
- Refirgerant circuit 71
- Refrigerant flow for each operation mode 71
- Refrigerant flow for each operation mode sie39 407 71
- Rxyq5ma cooling operation 71
- Cooling oil return operation 72
- Refirgerant circuit 61 72
- Sie39 407 refrigerant flow for each operation mode 72
- Heating oil return defrost operation 73
- Refirgerant circuit 73
- Refrigerant flow for each operation mode sie39 407 73
- Heating operation 74
- Refirgerant circuit 63 74
- Sie39 407 refrigerant flow for each operation mode 74
- Refirgerant circuit 75
- Refrigerant flow for each operation mode sie39 407 75
- Rxyq8ma 10ma 12ma cooling operation 75
- Cooling oil return 76
- Refirgerant circuit 65 76
- Sie39 407 refrigerant flow for each operation mode 76
- Heating oil return defrost 77
- Refirgerant circuit 77
- Refrigerant flow for each operation mode sie39 407 77
- Heating operation 78
- Refirgerant circuit 67 78
- Sie39 407 refrigerant flow for each operation mode 78
- Refirgerant circuit 79
- Refrigerant flow for each operation mode sie39 407 79
- Rxyq14ma 16ma cooling operation 79
- Cooling oil return operation 80
- Refirgerant circuit 69 80
- Sie39 407 refrigerant flow for each operation mode 80
- Heating oil return defrost operation 81
- Refirgerant circuit 81
- Refrigerant flow for each operation mode sie39 407 81
- Heating operation 82
- Refirgerant circuit 71 82
- Sie39 407 refrigerant flow for each operation mode 82
- Basic control 6 84
- Function general 4 84
- Other control 9 84
- Outline of control indoor unit 03 84
- Part 4 function 84
- Protection control 4 84
- Special control 5 84
- Function general 85
- Symbol 85
- Operation mode 86
- Basic control 87
- List of functions in normal operation 87
- Normal operation 87
- Carries out the compressor capacity pi control to maintain te at constant during cooling operation and tc at constant during heating operation to ensure stable unit performance 88
- Compressor pi control 88
- Cooling operation 88
- Heating operation 88
- Basic control sie39 407 89
- Function 89
- In the case of combination of 3 outdoor units the above diagram shows master unit slave unit 1 and slave unit 2 from left to right compressors may operate in any pattern other than those mentioned above according to the operating status 89
- Operating priority and rotation of compressors 89
- Available only on 50hz 90
- Compressor step control compressor operations vary with the following steps according to information in 2 compressor pi control furthermore the operating priority of compressors is subject to information in operating priority and rotation of compressors rxyq5ma 90
- Compressors are operated in the order of descending priorities compressors may operate in a pattern other than those listed in above tables subject to the operating conditions master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 90
- Function 79 90
- Rxyq14ma 16ma 90
- Rxyq18ma 20ma 22ma 90
- Rxyq24ma 26ma 28ma 90
- Rxyq8ma 10ma 12ma 90
- Sie39 407 basic control 90
- Basic control sie39 407 91
- Compressors are operated in the order of descending priorities compressors may operate in a pattern other than those listed in above tables subject to the operating conditions master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system 91
- Function 91
- Rxyq30ma 32ma 91
- Rxyq34ma 36ma 38ma 91
- Compressors are operated in the order of descending priorities compressors may operate in a pattern other than those listed in above tables subject to on the operating conditions master unit slave unit 1 and slave unit 2 in this section are the names for control and they will be transferred according to the priority of rotation system 92
- Function 81 92
- Rxyq40ma 42ma 44ma 92
- Sie39 407 basic control 92
- Basic control sie39 407 93
- Compressors are operated in the order of descending priorities compressors may operate in a pattern other than those listed in above tables subject to on the operating conditions master unit slave unit 1 and slave unit 2 in this section are the names for control and they will be transferred according to the priority of rotation system 93
- Function 93
- Only for 50hz 93
- Rxyq46ma 48ma 93
- Carries out the motorized valve y1e pi control to maintain the evaporator outlet superheated degree sh at constant during heating operation to make maximum use of the outdoor unit heat exchanger evaporator 94
- Electronic expansion valve pi control 94
- Figures listed above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity priority mode 94
- Main motorized valve ev1 control 94
- Makes pi control of the motorized valve y2e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 94
- Step control of outdoor unit fans 94
- Subcooling motorized valve ev2 control 94
- The optimum initial value of the evaporator outlet superheated degree is 5 c but varies depending on the discharge pipe superheated degree of inverter compressor 94
- Used to control the revolutions of outdoor unit fans in the steps listed in table below according to condition changes 94
- Outdoor unit fan control in cooling operation 95
- While in cooling operation if the outdoor temperature is low this mode provides high pressure control using the outdoor unit fan to retain appropriate liquid pressure thus ensuring refrigerant circulation rate to be supplied to indoor units 95
- Special control 96
- Startup control 96
- Startup control in cooling operation 96
- Startup control in heating operation 96
- This control is used to equalize the pressure in the front and back of the compressor prior to the startup of the compressor thus reducing startup loads furthermore the inverter is turned on to charge the capacitor in addition to avoid stresses to the compressor due to oil return or else after the startup the following control is made and the position of the four way valve is also determined 96
- In order to prevent the compressor from running out of oil the oil return operation is conducted to recover oil flown out from the compressor to the system side 97
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the oil return operation non operating unit stops during oil return preparation operation actuators are based on rxyq16ma 97
- Oil return operation 97
- Oil return operation in cooling operation 97
- Start conditions referring to the set conditions for the following items start the oil return operation in cooling cumulative oil feed rate timer setting make this setting so as to start the oil return operation when the initial cumulative operating time reaches two hours after power supply is turned on and then every eight hours furthermore the cumulative oil feed rate is computed from tc te and compressor loads 97
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the oil return operation non operating unit stops during oil return preparation operation actuators are based on rxyq16ma 98
- Oil return operation in heating operation 98
- Defrosting operation 99
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the defrost operation non operating unit stops during defrost preparation operation actuators are based on rxyq16ma 99
- To defrost the outdoor unit heat exchanger while in heating operation the defrost operation is conducted to recover the heating capacity start conditions referring to the set conditions for the following items start the defrosting operation heat transfer coefficient of the outdoor unit heat exchanger heat exchange temperature tb timer set to two hours at minimum furthermore the heat transfer coefficient of the outdoor unit heat exchanger is computed from tc te and compressor loads 99
- Actuators are based on rxyq16ma 100
- If the liquid refrigerant stays in the heat exchanger at the startup of a compressor this liquid refrigerant enters the compressor thus resulting in diluted oil in the compressor and then degraded lubrication performance consequently in order to recover the refrigerant in the heat exchanger while the compressor stops the pump down residual operation is conducted 100
- Pump down residual operation 100
- Pump down residual operation in cooling operation 100
- Pump down residual operation in heating operation 100
- Actuators are based on rxyq16ma 101
- Crankcase heater control 101
- In order to prevent the refrigerant from dwelling in the compressor in the stopped mode this mode is used to control the crankcase heater 101
- Restart standby 101
- Standby 101
- Used to forcedly stop the compressor for a period of five minutes in order to prevent the frequent on off of the compressor and equalize the pressure within the refrigerant system 101
- Actuators are based on rxyq16ma 102
- In order to protect compressors if any of the following items has an abnormal value the system will make stop with thermostat off and the malfunction will be determined according to the number of retry times 102
- Stop due to malfunction 102
- Stopping operation 102
- This mode is used to define actuator operations when the system stops 102
- When system is in stop mode 102
- In heating operation the system operates in mode a or mode b listed in the table below 103
- Mode a operating unit collects refrigerant 103
- Mode a or b operation 103
- Mode b stopping unit storage refrigerant 103
- Stopping operation of slave units during master unit is in operation with multi outdoor unit system 103
- The changeover operation for mode a and b is performed for the reason that the required refrigerant amount varies depending on the indoor unit operation capacity 103
- While the master unit is in operation this mode is used to set the refrigerant flow rate to a required level using a slave unit in the stopped mode in cooling operation the system operates in mode a or mode b listed in the table below 103
- Pressure equalization prior to startup 104
- Function 105
- High pressure protection control 105
- In cooling operation h in the case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence 105
- In heating operation h in the case of multi outdoor unit system the entire system performs this control in the following sequence 105
- Protection control 105
- Protection control sie39 407 105
- This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure 105
- In cooling operation h in the case of multi outdoor unit system the entire system performs this control in the following sequence 106
- In heating operation h in the case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence 106
- Low pressure protection control 106
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 106
- Applicable std compressor stops 107
- Discharge pipe protection control 107
- Discharge pipe temp protection control not limited 107
- H each compressor performs the discharge pipe temperature protection control individually in the following sequence 107
- Htds value of std compressor discharge pipe temperature tds compensated with outdoor air temperature tp value of compressor port temperature calculated by t 107
- Inv compressor 107
- Std compressor 107
- Te and suction superheated degree 107
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 107
- Fin temp standby 108
- H in the case of multi outdoor unit system each inv compressor performs these controls in the following sequence 108
- Inv upper limit frequency 1 step 1 min up from current compressor frequency interval 108
- Inverter current 81 c continues for 3 min or more 108
- Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction or transient inverter overcurrent and fin temperature increase 108
- Inverter fin temperature control 108
- Inverter overcurrent protection control 108
- Inverter protection control 108
- Tfin 81 c inv upper limit frequency 210 hz 108
- Under fin temperature protection control 108
- When occurring 4 times within 60 min the malfunction code l4 is output 108
- For transitional rise in discharge pipe temperature have the liquid refrigerant flow into the suction side to reduce the discharge pipe temperature for the compressor protection 109
- Injection control only for rxyq5ma 109
- Std compressor overload protection 109
- This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of std compressor such as locking 109
- Other control 110
- Outdoor unit rotation 110
- 777777 111
- 7777777 7777 111
- 777779 111
- Emergency operation 111
- In the case of 1 outdoor unit system rxyq8ma to 16ma 111
- Restrictions for emergency operation 111
- 777777 112
- 7777777 7777 112
- 777779 112
- 777797 112
- In the case of multi outdoor unit system rxyq18ma to 48ma 112
- 777777 113
- 7777777 7777 113
- 777779 113
- 777797 113
- Demand operation 113
- Heating operation prohibition 113
- Note reset the power supply during the outdoor unit is stopping to cancel the automatic backup operation forcibly 113
- 1 the objective of residual operation is to completely drain any moisture adhering to the fin of the indoor unit heat exchanger when the thermostat goes off during cooling operation 114
- Drain pump control 114
- Outline of control indoor unit 114
- The drain pump is controlled by the on off buttons 4 button 1 4 given in the figure below 114
- When the float switch is tripped during cooling off by thermostat 114
- When the float switch is tripped while the cooling thermostat is on 114
- Drain pump 115
- During heating operation if the float switch is not reset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 115
- Float switch 115
- Function 115
- Min 5 min 115
- Note if the float switch is tripped five times in succession a drain malfunction is determined to have occurred af is then displayed as operation continues 115
- On humidifier 115
- Outline of control indoor unit sie39 407 115
- Remote controller a3 flashing malfunction stop 115
- Thermostat running 115
- When the float switch is tripped and af is displayed on the remote controller 115
- When the float switch is tripped during heating operation 115
- Louver control for preventing ceiling dirt 116
- And assuming suction temperature has changed from 30 c to 18 c f a body thermostat sensor is used for temperatures from 30 c to 25 c f d remote controller thermostat sensor is used for temperatures from 25 c to 21 c d b body thermostat sensor is used for temperatures from 21 c to 18 c b a 117
- Cooling 117
- Ex when cooling assuming the preset temperature in the figure above is 24 c and the suction temperature has changed from 18 c to 30 c a f this example also assumes there are several other air conditioners the vrv system is off and that temperature changes even when the thermostat sensor is off body thermostat sensor is used for temperatures from 18 c to 23 c a c remote controller thermostat sensor is used for temperatures from 23 c to 27 c c e body thermostat sensor is used for temperatures from 27 c to 30 c e f 117
- Function 117
- If there is a significant difference in the preset temperature and the suction temperature fine adjustment control is carried out using a body thermostat sensor or using the sensor in the remote controller near the position of the user when the suction temperature is near the preset temperature 117
- Outline of control indoor unit sie39 407 117
- Temperature is controlled by both the thermostat sensor in remote controller and air suction thermostat in the indoor unit this is however limited to when the field setting for the thermostat sensor in remote controller is set to use 117
- Thermostat sensor in remote controller 117
- And assuming suction temperature has changed from 28 c to 18 c d a remote controller thermostat sensor is used for temperatures from 28 c to 23 c d b body thermostat sensor is used for temperatures from 23 c to 18 c b a 118
- Ex when heating assuming the preset temperature in the figure above is 24 c and the suction temperature has changed from 18 c to 28 c a d this example also assumes there are several other air conditioners the vrv system is off and that temperature changes even when the thermostat sensor is off body thermostat sensor is used for temperatures from 18 c to 25 c a c remote controller thermostat sensor is used for temperatures from 25 c to 28 c c d 118
- Function 107 118
- Heating 118
- Sie39 407 outline of control indoor unit 118
- When heating the hot air rises to the top of the room resulting in the temperature being lower near the floor where the occupants are when controlling by body thermostat sensor only the unit may therefore be turned off by the thermostat before the lower part of the room reaches the preset temperature the temperature can be controlled so the lower part of the room where the occupants are doesn t become cold by widening the range in which thermostat sensor in remote controller can be used so that suction temperature is higher than the preset temperature 118
- Assuming that the suction air temperature at the time of starting the dry operation is tro and the suction air temperature in operation is tr 119
- Function 119
- Furthermore while in dry operation mode fans operate at l flow rate stops for a period of six minutes while the thermostat is off and then return to operation at l flow rate this control is used to prevent a rise in indoor temperature while in thermostat off mode 119
- Outline of control indoor unit sie39 407 119
- Thermostat control in dry operation 119
- Thermostat control while in normal operation 119
- Vrv multi systems are set at factory to thermostat control mode using the remote controller while in normal thermostat differential control mode i e factory set mode the thermostat turns off when the system reaches a temperature of 1 c from the set temperature while in cooling operation or of 1 c from that while in heating operation 119
- While in a single remote controller group control the body thermostat is only used fro this control furthermore while in heating operation cassette mounted indoor units conduct the thermostat control by a value compensated by 2 c for the value detected with the body thermostat through field settings the thermostat differential setting can be changed from 1 c to 0 c for details on the changing procedure refer to information on page onward 119
- While in dry operation the thermostat control is conducted according to a suction temperature at the time of starting the dry operation 119
- Freeze prevention 120
- Freeze prevention by off cycle indoor unit 120
- Control of outdoor air processing unit unique control for outdoor air processing unit 121
- Details 121
- Objective 121
- Outdoor air processing unit 121
- Selection of operation mode by suction air thermostat 121
- To select cooling heating or fan operation mode according to the suction air outdoor air temperature 121
- Discharge air 122
- Discharge air temperature control 122
- Ev ev ev ev ev ev 122
- Is ev possible to close 122
- Is ev possible to open 122
- Refrigerant 122
- Sh t3 t2 122
- Temp setting 122
- Discharge air 123
- Ev ev ev ev ev ev 123
- Is ev possible to close 123
- Is ev possible to open 123
- Refrigerant 123
- Sc tc t2 123
- Temp setting 123
- Yes yes 123
- Details 124
- Heater control 124
- Low outdoor air temperature protection control 124
- Objective 124
- 1 l or ll only on fxfq models 125
- 2 the heater control on off is conducted by converting the heater temperature into the condensing pressure equivalent saturated temperature tc according to the temperature detection through the high pressure sensor sinph of the outdoor unit 125
- Fan residual operation while the heater turns off in order to prevent the activation of the thermal protector the fan conducts residual operation for a given period of time after the heater turns off this operation is conducted regardless of with or without heater equipped 125
- List of swing flap operations 125
- Residual operation time 100 seconds on ceiling suspended type or 60 seconds on other types 125
- Swing flaps operate as shown in table below 125
- Outdoor unit pc board layout 21 3 field setting 22 126
- Part 5 test operation 126
- Test operation 16 126
- Check work prior to turn power supply on 127
- Procedure and outline 127
- Test operation 127
- Additional charging of refrigerant 128
- Be sure to turn the power on 6 hours before starting operation to protect compressors to power on clankcase heater 128
- Bring the stop valves to the following conditions respectively 128
- Check the led display of the outdoor unit pc board 128
- Check the power supply 128
- Check the stop valves 128
- Check to be sure the transmission is normal the transmission is normal if the leds display conditions as shown in table below 128
- Disconnect the refrigerant charge hose and then open the liquid side stop valve 128
- Even if no stop operation is conducted the equipment will automatically stop after a lapse of 30 minutes at maximum 128
- If a full amount of refrigerant cannot be charged with the outdoor unit off charge the refrigerant by the deficient amount according to the following procedure 128
- Is the power supplied to the outdoor unit and the indoor unit 128
- Make field settings if needed for the setting procedure refer to information in 3 field settings on page 122 onward for the outdoor multi system make field settings with the master unit field settings made with the slave unit will be all invalid 128
- Make field settings with outdoor unit pc board 128
- Operation after stop 128
- Set the system to refrigerant additional charging operation while in setting mode 2 128
- Sie39 407 test operation 128
- Stopping equipment 128
- Test operation 117 128
- The master unit is the outdoor unit to which the transmission wiring for the indoor units is conncted the other outdoor units are sub units 128
- The system will automatically start operation the h2p blinks during operation and test operation and under centralized control are displayed on the remote control 128
- Turn outdoor unit and indoor unit power on 128
- Turn power on 128
- Check operation 129
- Conduct normal unit operation after the check operation has been completed when outdoor air temperature is 24 c or higher the unit can not be operated with heating mode see the instruction manual attached confirm that the indoor outdoor units can be operated normally when an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater to heat up it sufficiently then start operation again operate indoor unit one by one to check that the corresponding outdoor unit operates confirm that the indoor unit discharges cold air or warm air operate the air direction control button and flow rate control button to check the function of the devices 130
- Confirmation on normal operation 130
- For a period of approximately 5 minutes after the compressor stops even if the on off button for the indoor units in one and the same system is pressed the compressor will not operate after stopping the compressor operation using the remote controller the outdoor unit may conduct the residual operation for a period of 5 minutes at maximum if the system is set to nighttime automatic low noise operation setting or external low noise level setting the outdoor unit fan may operate at a low speed which however is not a malfunction when the check operation is not conducted using the test operation button at the first test operation after installation the malfunction code u3 will be displayed be sure to conduct the check operation according to 2 check operation for details refer to information on the previous page 130
- Malfunction code in case of an alarm code displayed on remote controller 130
- Be sure to push and hold the reset button for 5 seconds if not the addition cannot be recognized in this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc status 131
- Caution when the 400 volt power supply is applyed to n phase by mistake replace inverter p c b a2p and control transformer t1r t2r in switch box together 131
- Operation when power is turned on 131
- Tap the reset button on the outdoor unit pc board operation becomes possible for about 2 minutes if you do not push the reset button the unit cannot be run for up to 10 minutes to automatically set master power status 131
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 131
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 131
- When turning on power first time 131
- When turning on power the second time and subsequent 131
- 1 microcomputer normal monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs 132
- 2 set mode display led leds display mode according to the setting 132
- 3 mode setting switch used to change mode 132
- 4 local setting switch used to make local settings 132
- Outdoor unit pc board 132
- Outdoor unit pc board layout 132
- Field setting 133
- Field setting from remote controller 133
- Wireless remote controller indoor unit 134
- Simplified remote controller 135
- Notes 1 settings are made simultaneously for the entire group however if you select the mode no inside parentheses you can also set by each individual unit setting changes however cannot be checked except in the individual mode for those in parentheses 2 the mode numbers inside parentheses cannot be used by wireless remote controllers so they cannot be set individually setting changes also cannot be checked 3 marked are factory set 4 do not make settings other than those described above nothing is displayed for functions the indoor unit is not equipped with 5 88 may be displayed to indicate the remote controller is resetting when returning to the normal mode 6 if the setting mode to equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 136
- Setting contents and code no vrv indoor unit 136
- Sie39 407 field setting 136
- Test operation 125 136
- 1 static pressure selection 137
- Applicable range of field setting 137
- Field setting sie39 407 137
- Test operation 137
- Auto restart after power failure reset 138
- Caution 1 the air conditioner starts operation suddenly after power failure reset or the main power supply turned on again consequently the user might be surprised with question for the reason why 138
- Detailed explanation of setting modes 138
- Fan speed changeover when thermostat is off 138
- Filter sign setting 138
- In the service work for example turning off the main power switch during the unit is in operation and turning on the switch again after the work is completed start the unit operation the fan rotates 138
- Ultra long life filter sign setting 138
- Air flow adjustment ceiling height 139
- Air flow direction setting 139
- In the case of fxfq100 125 139
- In the case of fxfq25 80 139
- In the case of fxuq71 125 139
- Make the following setting according to the ceiling height the setting position no is set to 01 at the factory in the case of fxaq fxhq 139
- Only the model fxkq has the function when only the front flow is used sets yes no of the swing flap operation of down flow 139
- 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 01 139
- Setting of air flow direction adjustment 139
- Setting table 139
- Air flow rate switching at discharge grille for field air flow rate switching 140
- Make the following air flow direction setting according to the respective purpose 140
- Setting of air flow direction adjustment range 140
- Setting of the static pressure selection for fxdq model 140
- Setting table 140
- When the optional parts high performance filter etc is installed sets to change fan speed for securing air flow rate follow the instruction manual for the optional parts to enter the setting numbers 140
- Note bold face in indicates the default setting 141
- Outdoor air processing unit field setting remote controller 141
- Brc1a type 142
- Centralized control group no setting 142
- Brc7c type 143
- Caution when turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for about 1 minute on the liquid crystal display this is not an operative fault 143
- Enter the selected group numbers by pushing button 5 push button and return to the normal mode brc7c type 143
- Field setting sie39 407 143
- Group no 143
- Group no setting by wireless remote controller for centralized control 1 when in the normal mode push button for 4 seconds or more and operation then enters the field set mode 2 set mode no 00 with button 3 set the group no for each group with button advance backward 143
- Group no setting example 143
- Mode no field set mode 3 143
- Test operation 143
- Contents of control modes 144
- Setting of operation control mode from remote controller local setting 144
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 1 factory setting 145
- How to select operation mode 145
- Whether operation by remote controller will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below 145
- Field setting from outdoor unit 146
- List of field setting items this following section indicates the list of field setting items for the lists of dip switch contents setting mode 1 and setting mode 2 refer to information in tables shown on the following page onward for setting items of 1 refer to detailed information provided on page 147 onward 146
- For setting items of 1 refer to detailed information provided on page 147 onward 147
- Caution 148
- Dip switch detail 148
- Dip switch setting after changing the main p c board a1p to spare parts p c b after the replacement by the spare pc board be sure to make settings shown below when you change the main p c board a1p to spare parts p c b please carry out the following setting 148
- If the ds1 4 ds2 1 setting refrigerant classification has not been carried out error code ua is displayed and unit can not be operated 148
- Initial conditions of dip switches 148
- Make the following settings according to models of outdoor units all models are set to off at factory 148
- Refer ds1 4 ds2 1 4 setting detail on next page 148
- Setting by dip switches using dip switches on the pc board enables field setting shown below however make no changes of factory settings except for ds1 1 148
- Detail of ds1 4 ds2 1 4 setting 149
- Field setting sie39 407 149
- Heat pump 10hp rxyq10may1 6300001 6301014 set ds2 1 ds2 2 and ds2 3 to on 149
- Heat pump 10hp rxyq10may1 6301015 set ds1 4 ds2 1 ds2 2 and ds2 3 to on 149
- Heat pump 12hp rxyq12may1 6300001 6300276 set ds2 1 and ds2 4 to on 149
- Heat pump 12hp rxyq12may1 6300277 set ds1 4 ds2 1 and ds2 4 to on 149
- Heat pump 14hp rxyq14may1 6300001 6300314 set ds2 1 ds2 2 and ds2 4 to on 149
- Heat pump 14hp rxyq14may1 6300315 set ds1 4 ds2 1 ds2 2 and ds2 4 to on 149
- Heat pump 16hp rxyq16may1 6300001 6300500 set ds2 1 ds2 3 and ds2 4 to on 149
- Heat pump 16hp rxyq16may1 6300501 set ds1 4 ds2 1 ds2 3 and ds2 4 to on 149
- Heat pump 5hp rxyq5may1 6300001 6300272 set ds2 1 to on 149
- Heat pump 5hp rxyq5may1 6300273 set ds1 4 and ds2 1 to on 149
- Heat pump 8hp rxyq8may1 6300001 6300491 set ds2 1 and ds2 3 to on 149
- Heat pump 8hp rxyq8may1 6300492 set ds1 4 ds2 1 and ds2 3 to on 149
- New unit mfg no setting method represents the position of switches 149
- Previous unit mfg no setting method represents the position of switches 149
- Test operation 149
- 7 8 7 7 7 7 151
- A setting mode 1 151
- Field setting sie39 407 151
- Procedure for changing cool heat selection setting 151
- Test operation 151
- This mode is used to set and check the following items 1 set items in order to make cool heat selection in a batch of outdoor unit group change the setting cool heat selection individual used to select cool or heat by individual outdoor unit factory set cool heat selection batch master used to select cool or heat by outdoor unit group with the master unit cool heat selection batch slave used to select cool or heat by outdoor unit group with the slave unit 2 check items the following items can be checked 1 current operating conditions normal abnormal in check operation 2 setting conditions of cool heat selection individual batch master batch slave 3 low noise operating conditions in normal operation in low noise operation 4 demand operating conditions in normal operation in demand operation 151
- B setting mode 2 152
- 7 7 7 7 7 156
- 7 7 7 7 8 156
- 7 7 7 7 9 156
- 7 7 7 8 7 156
- 7 7 7 8 8 156
- 7 7 7 9 7 156
- 7 7 8 7 7 156
- 7 7 8 7 8 156
- 7 7 8 8 7 156
- 7 7 8 8 8 156
- 7 7 9 7 7 156
- 7 8 7 7 7 156
- 7 8 7 7 8 156
- 7 8 7 8 7 156
- 7 8 7 8 8 156
- 7 8 8 7 7 156
- 7 8 8 7 8 156
- 7 8 8 8 7 156
- 7 8 8 8 8 156
- 8 7 7 7 7 156
- 8 7 8 7 7 156
- 8 7 8 7 8 156
- 8 7 8 8 7 156
- 9 7 7 7 7 156
- C monitor mode 156
- Defrost select setting short 156
- Emg operation backup operation setting on 156
- Medium 156
- Number of units for sequential start 1 unit 156
- Sie39 407 field setting 156
- Tc setting h 156
- Te setting h 156
- Test operation 145 156
- The numbers in the no column represent the number of times to press the operation bs2 button setting item 0 display contents of number of units for sequential start and others 156
- Cool heat mode switching 158
- It does not matter whether or not there is outdoor outdoor unit wiring set outdoor unit pc board ds1 1 to indoor factory set set cool heat switching to individual for setting mode 1 factory set 158
- Set cool heat separately for each outdoor system by indoor unit remote controller 158
- Sie39 407 field setting 158
- Test operation 147 158
- There are the following 5 cool heat switching modes set cool heat separately for each outdoor unit system by indoor unit remote controller set cool heat separately for each outdoor unit system by cool heat switching remote controller set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller 158
- A b c f1 f2 f1 f2 q1 q2 159
- C h select 159
- C h select remote control 159
- Field setting sie39 407 159
- It does not matter whether or not there is outdoor outdoor unit wiring set outdoor unit pc board ds1 1 to outdoor factory set set cool heat switching to individual for setting mode 1 factory set 159
- Set cool heat separately for each outdoor unit system by cool heat switching remote controller 159
- Test operation 159
- Mount the outdoor unit external control adapter optional part to out out in out or in in transmission line while in setting mode 1 set all outdoor units to batch slave set the ss1 of the outdoor unit external control adapter to batch factory set or cool and the ss2 to on position the ds2 ds1 of the outdoor unit external control adapter in relation to cool heat batch address of the outdoor unit pc board while in setting mode 2 be noted that addresses are all set to 0 at factory 160
- Multi outdoor units connection 160
- Setting of cool heat selection in a batch of outdoor unit system by each outdoor unit external control adapter with the use of cool heat centralized remote controller 160
- To indoor unit 160
- To indoor unit to indoor unit 160
- Ds2 ds1 161
- Field setting sie39 407 161
- Mount the cool heat selection remote controller to the master outdoor unit for the batch control set the ds1 1 on the pc board of master outdoor unit for the batch control while in setting mode 1 set an outdoor unit to give an option between cool and heat to the master unit for the batch control and other outdoor units to the slave units for the batch control 161
- Setting of cool heat in a batch of multi outdoor unit system according to the master outdoor unit for the batch control with the use of cool heat selection remote controller 161
- Supplementation on and 161
- Test operation 161
- When switching cool heat for each adapter pc board with the use of more than one adapter pc board set the address of the adapter pc board ds1 and ds2 so that it matches the unified cool heat address of outdoor unit pc board 161
- Address setting for 162
- Set lower 5 digits with binary number no to no 1 162
- 33 333 163
- 33 338 163
- 33 383 163
- 33 388 163
- 38 833 163
- 83 838 163
- 88 883 163
- 88 888 163
- Address setting procedure 163
- Adjust the address no middle 2 digits and the pin no lower 3 digits of the external control adapter dip switch to those of the outdoor unit main pc board led using binary numbers 163
- Field setting sie39 407 163
- Test operation 163
- Setting of low noise operation 164
- Setting of low noise operation and demand operation 164
- Field setting sie39 407 165
- Image of operation in the case of a 165
- Image of operation in the case of a b 165
- Image of operation in the case of b 165
- Test operation 165
- Setting of demand operation 166
- Field setting sie39 407 167
- Image of operation in the case of a 167
- Image of operation in the case of a and b 167
- Image of operation in the case of b 167
- Test operation 167
- Detailed setting procedure of low noise operation and demand control 168
- Additional refrigerant charge total flow 170
- Setting of refrigerant additional charging operation 170
- Sie39 407 field setting 170
- Test operation 159 170
- When additional refrigerant is not charged all with outdoor unit in stop mode operate the outdoor unit and charge the liquid refrigerant from the service port of liquid stop value the additional charging operation is activated by pushbutton switch on the outdoor unit pc board 170
- Setting of refrigerant recovery mode 171
- Check operation 172
- Check operation function 172
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units to turn on some solenoid valves 172
- Note be sure to disconnect the compressor wiring when conducting the check operation mentioned above when the output voltage is approx 50 v 10 hz and the voltage balance between phases u v v w w u is within 5 the inverter pcb is normal 172
- Operating procedure with setting mode 2 while the unit stops set b refrigerant recovery vacuuming mode to on the expansion valves of indoor and outdoor units fully open and some of solenoid valves open h2p blinks to indicate the test operation and the remote controller displays test operation and in centralized control thus prohibiting operation after setting do not cancel setting mode 2 until completion of vacuuming operation use the vacuum pump to perform vacuuming operation press mode button bs1 once and reset setting mode 2 172
- Power transistor check operation 172
- Setting of vacuuming mode 172
- To prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or misplacing with suction pipe thermistor of discharge pipe thermistor and judgment of piping length refrigerant overcharging and learning for the minimum opening degree of motorized valve 172
- When the inverter system malfunctions malfunction of inverter inv compressor to locate where the malfunction occurs switching to the power transistor check mode of inverter in the service mode setting enables not to judge the position detection signal malfunction but to output waveform only during inverter operation the waveform can be checked by disconnecting the wiring of compressor 172
- Part 6 troubleshooting 174
- Symptom based troubleshooting 66 2 troubleshooting by remote controller 69 174
- Troubleshooting by indication on the remote controller 82 174
- Troubleshooting op central remote controller 45 175
- Troubleshooting op schedule timer 51 175
- Troubleshooting op unified on off controller 58 176
- Symptom based troubleshooting 177
- Inspection mode 180
- Local setting mode 180
- Normal mode 180
- Service mode 180
- Test operation mode 180
- The following modes can be selected by using the inspection test operation button on the remote control 180
- The inspection test button 180
- Troubleshooting by remote controller 180
- Explanation 181
- If operation stops due to malfunction the remote controller s operation led blinks and malfunction code is displayed even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered the malfunction code enables you to tell what kind of malfunction caused operation to stop see page 178 for malfunction code and malfunction contents 181
- Self diagnosis by wired remote controller 181
- Troubleshooting 181
- Troubleshooting by remote controller sie39 407 181
- In the case of brc7c type 182
- Self diagnosis by wireless remote controller 182
- Advance button backward button 183
- The lower digit of the code changes as shown below when the up and down buttons are pressed 183
- Sie39 407 troubleshooting by remote controller 184
- Troubleshooting 173 184
- Operation of the remote controller s inspection test operation button 185
- Troubleshooting 185
- Troubleshooting by remote controller sie39 407 185
- How to enter the service mode 186
- Remote controller service mode 186
- Service mode operation method 186
- Remote controller self diagnosis function 188
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 190
- Detail description on next page 191
- Malfunction code indication by outdoor unit pcb 191
- Push the mode button bs1 and returns to setting mode 1 191
- Push the return button bs3 and switches to the initial status of monitor mode 191
- Push the return button bs3 once to display first digit of malfunction code 191
- Push the set button bs2 and set the led display to a setting item 191
- Push the set button bs2 once to display master or slave1 or slave2 and malfunction location 191
- Push the set button bs2 once to display second digit of malfunction code 191
- Refer p 27 for monitor mode 191
- To enter the monitor mode push the mode button bs1 when in setting mode 1 191
- Troubleshooting 191
- Troubleshooting by remote controller sie39 407 191
- A0 indoor unit error of external protection device 193
- Actuation of external protection device improper field set defect of indoor unit pc board 193
- All indoor unit models 193
- Applicable models 193
- Malfunction decision conditions 193
- Method of malfunction detection 193
- Remote controller display 193
- Supposed causes 193
- Troubleshooting 193
- Troubleshooting by indication on the remote controller 193
- A1 indoor unit pc board defect 194
- A3 indoor unit malfunction of drain level control system s1l 195
- Applicable models 195
- Malfunction decision conditions 195
- Method of malfunction detection 195
- Remote controller display 195
- Supposed causes 195
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 196
- Sie39 407 troubleshooting by indication on the remote controller 196
- Troubleshooting 196
- Troubleshooting 185 196
- A6 indoor unit fan motor m1f lock overload 197
- All indoor units 197
- Applicable models 197
- Detection by failure of signal for detecting number of turns to come from the fan motor 197
- Fan motor lock disconnected or faulty wiring between fan motor and pc board 197
- Malfunction decision conditions 197
- Method of malfunction detection 197
- Remote controller display 197
- Supposed causes 197
- Troubleshooting 197
- Troubleshooting by indication on the remote controller sie39 407 197
- When number of turns can t be detected even when output voltage to the fan is maximum 197
- A7 indoor unit malfunction of swing flap motor ma 198
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 199
- Troubleshooting 199
- Troubleshooting by indication on the remote controller sie39 407 199
- A9 indoor unit malfunction of moving part of electronic expansion valve 20e 200
- All indoor unit models 200
- Applicable models 200
- Malfunction decision conditions 200
- Malfunction of moving part of electronic expansion valve defect of indoor unit pc board defect of connecting cable 200
- Method of malfunction detection 200
- Remote controller display 200
- Sie39 407 troubleshooting by indication on the remote controller 200
- Supposed causes 200
- Troubleshooting 200
- Troubleshooting 189 200
- 1 coil check method for the moving part of the electronic expansion valve discount the electronic expansion valve from the pc board and check the continuity between the connector pins 201
- Continuity no continuity 201
- Normal 201
- Af indoor unit drain level above limit 202
- Applicable models 202
- Fxcq fxfq fxzq fxsq fxkq fxmq fxdq fxmq mf fxuq 202
- Humidifier unit optional accessory leaking defect of drain pipe upward slope etc defect of indoor unit pc board 202
- Malfunction decision conditions 202
- Method of malfunction detection 202
- Remote controller display 202
- Sie39 407 troubleshooting by indication on the remote controller 202
- Supposed causes 202
- Troubleshooting 202
- Troubleshooting 191 202
- Water leakage is detected based on float switch on off operation while the compressor is in non operation 202
- When the float switch changes from on to off while the compressor is in non operation 202
- Aj indoor unit malfunction of capacity determination device 203
- 2 refer to thermistor resistance temperature characteristics table on p319 204
- All indoor unit models 204
- Applicable models 204
- C4 indoor unit malfunction of thermistor r2t for heat exchanger 204
- Defect of thermistor r2t for liquid pipe defect of indoor unit pc board 204
- Malfunction decision conditions 204
- Malfunction detection is carried out by temperature detected by heat exchanger thermistor 204
- Method of malfunction detection 204
- Remote controller display 204
- Sie39 407 troubleshooting by indication on the remote controller 204
- Supposed causes 204
- Troubleshooting 204
- Troubleshooting 193 204
- When the heat exchanger thermistor becomes disconnected or shorted while the unit is running 204
- 2 refer to thermistor resistance temperature characteristics table on p319 205
- All indoor unit models 205
- Applicable models 205
- C5 indoor unit malfunction of thermistor r3t for gas pipes 205
- Defect of indoor unit thermistor r3t for gas pipe defect of indoor unit pc board 205
- Malfunction decision conditions 205
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 205
- Method of malfunction detection 205
- Remote controller display 205
- Supposed causes 205
- Troubleshooting 205
- Troubleshooting by indication on the remote controller sie39 407 205
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 205
- 2 refer to thermistor resistance temperature characteristics table on p319 206
- Aii indoor unit models 206
- Applicable models 206
- C9 indoor unit malfunction of thermistor r1t for suction air 206
- Defect of indoor unit thermistor r1t for air inlet defect of indoor unit pc board 206
- Malfunction decision conditions 206
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 206
- Method of malfunction detection 206
- Remote controller display 206
- Sie39 407 troubleshooting by indication on the remote controller 206
- Supposed causes 206
- Troubleshooting 206
- Troubleshooting 195 206
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 206
- Cj indoor unit malfunction of thermostat sensor in remote controller 207
- E1 outdoor unit pc board defect 208
- Abnormality is detected when the contact of the high pressure protection switch opens 209
- Actuation of outdoor unit high pressure switch defect of high pressure switch defect of outdoor unit pc board instantaneous power failure faulty high pressure sensor 209
- Applicable models 209
- E3 outdoor unit actuation of high pressure switch 209
- Error is generated when the hps activation count reaches the number specific to the operation mode 209
- H 1 actuation of high pressure switch hps the outdoor unit pc board s connector is disconnected is the outdoor unit heat exchanger dirty defect of outdoor fan is the refrigerant over charged faulty high pressure sensor 209
- Malfunction decision conditions 209
- Method of malfunction detection 209
- Remote controller display 209
- Rxyq5ma 48ma 209
- Supposed causes 209
- Troubleshooting 209
- Troubleshooting by indication on the remote controller sie39 407 209
- 1 voltage measurement point 210
- 2 refer to pressure sensor pressure voltage characteristics table on p321 210
- Abnormal drop of low pressure lower than 0 7mpa defect of low pressure sensor defect of outdoor unit pc board stop valve is not opened 210
- Applicable models 210
- E4 outdoor unit actuation of low pressure sensor 210
- Error is generated when the low pressure is dropped under specific pressure 210
- Malfunction decision conditions 210
- Method of malfunction detection 210
- Remote controller display 210
- Rxyq5ma 48ma 210
- Sie39 407 troubleshooting by indication on the remote controller 210
- Supposed causes 210
- Troubleshooting 210
- Troubleshooting 199 210
- Applicable models 211
- Compressor lock high differential pressure 0 mpa or more incorrect uvwn wiring faulty inverter pc board stop valve is left in closed 211
- E5 compressor motor lock 211
- Inverter pc board takes the position signal from uvwn line connected between the inverter and compressor and detects the position signal pattern 211
- Malfunction decision conditions 211
- Method of malfunction detection 211
- Remote controller display 211
- Rxyq5ma 48ma 211
- Supposed causes 211
- The position signal with 3 times cycle as imposed frequency is detected when compressor motor operates normally but 2 times cycle when compressor motor locks when the position signal in 2 times cycle is detected 211
- Troubleshooting 211
- Troubleshooting by indication on the remote controller sie39 407 211
- Applicable models 212
- Closed stop value obstacles at the discharge port improper power voltage faulty magnetic switch faulty compressor 212
- Detects the overcurrent with current sensor ct 212
- E6 std compressor motor overcurrent lock 212
- Malfunction decision conditions 212
- Malfunction is decided when the detected current value exceeds the below mentioned value for 2 seconds 400 v unit 15 a 212
- Method of malfunction detection 212
- Remote controller display 212
- Rxyq5ma 48ma 212
- Sie39 407 troubleshooting by indication on the remote controller 212
- Supposed causes 212
- Troubleshooting 212
- Troubleshooting 201 212
- Applicable models 213
- E7 malfunction of outdoor unit fan motor 213
- Malfunction decision conditions 213
- Malfunction of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 213
- Malfunction of fan motor the harness connector between fan motor and pc board is left in disconnected or faulty connector fan does not run due to foreign matters tangled clearing condition operate for 5 minutes normal 213
- Method of malfunction detection 213
- Remote controller display 213
- Rxyq5ma 48ma 213
- Supposed causes 213
- Troubleshooting 213
- Troubleshooting by indication on the remote controller sie39 407 213
- When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor running conditions are met when connector detecting fan speed is disconnected when malfunction is generated 4 times the system shuts down 213
- Note refer check 8 9 and 12 to p 6 214
- Sie39 407 troubleshooting by indication on the remote controller 214
- Troubleshooting 214
- Troubleshooting 203 214
- Applicable models 215
- Check disconnection of connector check continuity of expansion valve coil 215
- Defect of moving part of electronic expansion valve defect of outdoor unit pc board a1p defect of connecting cable 215
- E9 outdoor unit malfunction of moving part of electronic expansion valve y1e y2e 215
- Error is generated under no common power supply when the power is on 215
- Malfunction decision conditions 215
- Method of malfunction detection 215
- Remote controller display 215
- Rxyq5ma 48ma 215
- Supposed causes 215
- Troubleshooting 215
- Troubleshooting by indication on the remote controller sie39 407 215
- 1 coil check method for the moving part of the electronic expansion valve disconnect the electronic expansion valve from the pc board and check the continuity between the connector pins 216
- Continuity approx 300 ω continuity approx 150 ω no continuity 216
- Normal 216
- 2 refer to thermistor resistance temperature characteristics table on p319 217
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 217
- Applicable models 217
- F3 outdoor unit abnormal discharge pipe temperature 217
- Faulty discharge pipe temperature sensor faulty connection of discharge pipe temperature sensor faulty outdoor unit pcb 217
- Malfunction decision conditions 217
- Method of malfunction detection 217
- Remote controller display 217
- Rxyq5ma 48ma 217
- Supposed causes 217
- Troubleshooting 217
- Troubleshooting by indication on the remote controller sie39 407 217
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 217
- Applicable models 218
- F6 refrigerant overcharged 218
- Malfunction decision conditions 218
- Method of malfunction detection 218
- Refrigerant overcharge disconnection of the receiver gas pipe thermistor 218
- Refrigerant overcharge is detected from the receiver gas pipe temperature during test operation 218
- Remote controller display 218
- Rxyq5ma 48ma 218
- Sie39 407 troubleshooting by indication on the remote controller 218
- Supposed causes 218
- Troubleshooting 218
- Troubleshooting 207 218
- When the receiver gas pipe temperature is lower than evaporating temperature during test operation 218
- Abnormal fan motor signal circuit malfunction broken short or disconnection connector of fan motor connection cable fan inverter pc board malfunction 219
- Applicable models 219
- Detection of abnormal signal from fan motor 219
- H 1 disconnect connector x2a and measure the following resistance 219
- H7 abnormal outdoor fan motor signal 219
- In case of detection of abnormal signal at starting fan motor 219
- Malfunction decision conditions 219
- Method of malfunction detection 219
- Remote controller display 219
- Rxyq5ma 48ma 219
- Supposed causes 219
- Troubleshooting 219
- Troubleshooting by indication on the remote controller sie39 407 219
- 2 refer to thermistor resistance temperature characteristics table on p319 220
- Applicable models 220
- Defect of thermistor r1t for outdoor air defect of outdoor unit pc board a1p 220
- H9 outdoor unit malfunction of thermistor for outdoor air r1t 220
- Malfunction decision conditions 220
- Method of malfunction detection 220
- Remote controller display 220
- Rxyq5ma 48ma 220
- Sie39 407 troubleshooting by indication on the remote controller 220
- Supposed causes 220
- The abnormal detection is based on current detected by current sensor 220
- The alarm indicator is displayed when the fan only is being used also 220
- Troubleshooting 220
- Troubleshooting 209 220
- When the outside air temperature sensor has short circuit or open circuit 220
- Applicable models 221
- Faulty current sensor faulty outdoor unit pc board 221
- J2 current sensor malfunction 221
- Malfunction decision conditions 221
- Malfunction is detected according to the current value detected by current sensor 221
- Method of malfunction detection 221
- Remote controller display 221
- Rxyq5ma 48ma 221
- Supposed causes 221
- Troubleshooting 221
- Troubleshooting by indication on the remote controller sie39 407 221
- When the current value detected by current sensor becomes 5a or lower or 40a or more during standard compressor operation 221
- Applicable models 222
- Defect of thermistor r31t r32t or r33t for outdoor unit discharge pipe defect of outdoor unit pc board a1p 222
- J3 outdoor unit malfunction of discharge pipe thermistor r3 r31 33t 222
- Malfunction decision conditions 222
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 222
- Method of malfunction detection 222
- Note 5 hp class r3t 8 12 hp class r31t r32t 14 16hp class r31t r32t and r33t 222
- Remote controller display 222
- Rxyq5ma 48ma 222
- Sie39 407 troubleshooting by indication on the remote controller 222
- Supposed causes 222
- The alarm indicator is displayed when the fan is being used also 222
- Troubleshooting 222
- Troubleshooting 211 222
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 222
- 2 refer to thermistor resistance temperature characteristics table on p319 223
- Applicable models 223
- Defect of thermistor r2t for outdoor unit suction pipe defect of outdoor unit pc board a1p 223
- J5 outdoor unit malfunction of thermistor r2t for suction pipe 223
- Malfunction decision conditions 223
- Malfunction is detected from the temperature detected by the suction pipe temperature thermistor 223
- Method of malfunction detection 223
- Remote controller display 223
- Rxyq5ma 48ma 223
- Supposed causes 223
- Troubleshooting 223
- Troubleshooting by indication on the remote controller sie39 407 223
- When a short circuit or an open circuit in the suction pipe temperature thermistor is detected 223
- 2 refer to thermistor resistance temperature characteristics table on p319 224
- Applicable models 224
- Defect of thermistor r4t for outdoor unit coil defect of outdoor unit pc board a1p 224
- J6 outdoor unit malfunction of thermistor r4t for outdoor unit heat exchanger 224
- Malfunction decision conditions 224
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 224
- Method of malfunction detection 224
- Remote controller display 224
- Rxyq5ma 48ma 224
- Sie39 407 troubleshooting by indication on the remote controller 224
- Supposed causes 224
- Troubleshooting 224
- Troubleshooting 213 224
- When a short circuit or an open circuit in the heat exchange thermistor is detected 224
- 2 refer to thermistor resistance temperature characteristics table on p319 225
- Applicable models 225
- Faulty oil equalizing pipe thermistor r7t faulty outdoor unit pc board 225
- J8 malfunction of oil equalizing pipe thermistor r7t 225
- Malfunction decision conditions 225
- Malfunction is detected according to the temperature detected by oil equalizing pipe thermistor 225
- Method of malfunction detection 225
- Remote controller display 225
- Rxyq5ma 48ma 225
- Supposed causes 225
- Troubleshooting 225
- Troubleshooting by indication on the remote controller sie39 407 225
- When the oil equalizing pipe thermistor is short circuited or open 225
- 2 refer to thermistor resistance temperature characteristics table on p319 226
- Applicable models 226
- Faulty receiver gas pipe thermistor r5t faulty outdoor unit pc board 226
- J9 malfunction of receiver gas pipe thermistor r5t 226
- Malfunction decision conditions 226
- Malfunction is detected according to the temperature detected by receiver gas pipe thermistor 226
- Method of malfunction detection 226
- Remote controller display 226
- Rxyq5ma 48ma 226
- Sie39 407 troubleshooting by indication on the remote controller 226
- Supposed causes 226
- Troubleshooting 226
- Troubleshooting 215 226
- When the receiver gas pipe thermistor is short circuited or open 226
- 1 voltage measurement point 227
- 2 refer to pressure sensor pressure voltage characteristics table on p321 227
- Applicable models 227
- Defect of high pressure sensor system connection of low pressure sensor with wrong connection defect of outdoor unit pc board 227
- Ja outdoor unit malfunction of discharge pipe pressure sensor 227
- Malfunction decision conditions 227
- Malfunction is detected from the pressure detected by the high pressure sensor 227
- Method of malfunction detection 227
- Remote controller display 227
- Rxyq5ma 48ma 227
- Supposed causes 227
- Troubleshooting 227
- Troubleshooting by indication on the remote controller sie39 407 227
- When the discharge pipe pressure sensor is short circuit or open circuit 227
- 1 voltage measurement point 228
- 2 refer to pressure sensor pressure voltage characteristics table on p321 228
- Applicable models 228
- Defect of low pressure sensor system connection of high pressure sensor with wrong connection defect of outdoor unit pc board 228
- Jc outdoor unit malfunction of suction pipe pressure sensor 228
- Malfunction decision conditions 228
- Malfunction is detected from pressure detected by low pressure sensor 228
- Method of malfunction detection 228
- Remote controller display 228
- Rxyq5ma 48ma 228
- Sie39 407 troubleshooting by indication on the remote controller 228
- Supposed causes 228
- Troubleshooting 228
- Troubleshooting 217 228
- When the suction pipe pressure sensor is short circuit or open circuit 228
- 2 refer to thermistor resistance temperature characteristics table on p319 229
- Actuation of fin thermal actuates above 89 c defect of inverter pc board defect of fin thermistor 229
- Applicable models 229
- Fin temperature is detected by the thermistor of the radiation fin 229
- L4 outdoor unit malfunction of inverter radiating fin temperature rise 229
- Malfunction decision conditions 229
- Method of malfunction detection 229
- Remote controller display 229
- Rxyq5ma 48ma 229
- Supposed causes 229
- Troubleshooting 229
- Troubleshooting by indication on the remote controller sie39 407 229
- When the temperature of the inverter radiation fin increases above 89 c 229
- Applicable models 230
- Compressor inspection 230
- Defect of compressor coil disconnected defective insulation compressor start up malfunction mechanical lock defect of inverter pc board 230
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 230
- L5 outdoor unit inverter compressor abnormal 230
- Malfunction decision conditions 230
- Malfunction is detected from current flowing in the power transistor 230
- Method of malfunction detection 230
- Remote controller display 230
- Rxyq5ma 48ma 230
- Sie39 407 troubleshooting by indication on the remote controller 230
- Supposed causes 230
- Troubleshooting 230
- Troubleshooting 219 230
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 230
- Applicable models 231
- Compressor overload compressor coil disconnected defect of inverter pc board 231
- L8 outdoor unit inverter current abnormal 231
- Malfunction decision conditions 231
- Malfunction is detected by current flowing in the power transistor 231
- Method of malfunction detection 231
- Output current check 231
- Remote controller display 231
- Rxyq5ma 48ma 231
- Supposed causes 231
- Troubleshooting 231
- Troubleshooting by indication on the remote controller sie39 407 231
- When overload in the compressor is detected 231
- Applicable models 232
- Defect of compressor pressure differential start defect of inverter pc board 232
- L9 outdoor unit inverter start up error 232
- Malfunction decision conditions 232
- Malfunction is detected from current flowing in the power transistor 232
- Method of malfunction detection 232
- Remote controller display 232
- Rxyq5ma 48ma 232
- Sie39 407 troubleshooting by indication on the remote controller 232
- Supposed causes 232
- Troubleshooting 232
- Troubleshooting 221 232
- When overload in the compressor is detected during startup 232
- Applicable models 233
- Lc outdoor unit malfunction of transmission between inverter and control pc board 233
- Malfunction decision conditions 233
- Method of malfunction detection 233
- Remote controller display 233
- Supposed causes 233
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 234
- Sie39 407 troubleshooting by indication on the remote controller 234
- Troubleshooting 234
- Troubleshooting 223 234
- Applicable models 235
- Imbalance in supply voltage is detected in pc board 235
- Malfunction decision conditions 235
- Method of malfunction detection 235
- Open phase voltage imbalance between phases defect of main circuit capacitor defect of inverter pc board defect of k1m improper main circuit wiring 235
- P1 outdoor unit inverter over ripple protection 235
- Remote controller display 235
- Rxyq5ma 48ma 235
- Supposed causes 235
- Troubleshooting 235
- Troubleshooting by indication on the remote controller sie39 407 235
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status malfunction is not decided while the unit operation is continued p1 will be displayed by pressing the inspection button 235
- P4 outdoor unit malfunction of inverter radiating fin temperature rise sensor 236
- 1 refer to thermistor resistance temperature characteristics table on p319 2 refer to pressure sensor pressure voltage characteristics table on p321 237
- Applicable models 237
- Malfunction decision conditions 237
- Method of malfunction detection 237
- Microcomputer judge and detect if the system is short of refrigerant h malfunction is not decided while the unit operation is continued 237
- Out of gas or refrigerant system clogging incorrect piping defect of pressure sensor defect of outdoor unit pc board a1p defect of thermistor r2t or r4t 237
- Remote controller display 237
- Rxyq5ma 48ma 237
- Short of gas malfunction is detected by discharge pipe temperature thermistor 237
- Supposed causes 237
- Troubleshooting 237
- Troubleshooting by indication on the remote controller sie39 407 237
- Uo low pressure drop due to refrigerant shortage or electronic expansion valve failure 237
- Applicable models 238
- Detection is based on the voltage in main circuit capacitor for inverter and supply voltage the phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged 238
- H 3 phase outdoor unit only 238
- Malfunction decision conditions 238
- Method of malfunction detection 238
- Power supply reverse phase power supply open phase defect of outdoor pc board a1p 238
- Remote controller display 238
- Sie39 407 troubleshooting by indication on the remote controller 238
- Supposed causes 238
- Troubleshooting 238
- Troubleshooting 227 238
- U1 reverse phase open phase 238
- Applicable models 239
- Malfunction decision conditions 239
- Method of malfunction detection 239
- Remote controller display 239
- Supposed causes 239
- U2 power supply insufficient or instantaneous failure 239
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 240
- Sie39 407 troubleshooting by indication on the remote controller 240
- Troubleshooting 240
- Troubleshooting 229 240
- U3 check operation not executed 241
- Applicable models 242
- Malfunction decision conditions 242
- Method of malfunction detection 242
- Remote controller display 242
- Supposed causes 242
- U4 malfunction of transmission between indoor units 242
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 243
- Troubleshooting 243
- Troubleshooting by indication on the remote controller sie39 407 243
- All models of indoor units 244
- Applicable models 244
- In case of controlling with 2 remote controller check the system using microcomputer is signal transmission between indoor unit and remote controller main and sub is normal 244
- Malfunction decision conditions 244
- Malfunction of indoor unit remote controller transmission connection of two main remote controllers when using 2 remote controllers defect of indoor unit pc board defect of remote controller pc board malfunction of transmission caused by noise 244
- Method of malfunction detection 244
- Normal transmission does not continue for specified period 244
- Remote controller display 244
- Sie39 407 troubleshooting by indication on the remote controller 244
- Supposed causes 244
- Troubleshooting 244
- Troubleshooting 233 244
- U5 malfunction of transmission between remote controller and indoor unit 244
- Applicable models 245
- Malfunction decision conditions 245
- Method of malfunction detection 245
- Remote controller display 245
- Supposed causes 245
- U7 malfunction of transmission between outdoor units 245
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 246
- Sie39 407 troubleshooting by indication on the remote controller 246
- Troubleshooting 246
- Troubleshooting 235 246
- All models of indoor units 247
- Applicable models 247
- In case of controlling with 2 remote controller check the system using microcomputer if signal transmission between indoor unit and remote controller main and sub is normal 247
- Malfunction decision conditions 247
- Malfunction of transmission between main and sub remote controller connection between sub remote controllers defect of remote controller pc board 247
- Method of malfunction detection 247
- Normal transmission does not continue for specified period 247
- Remote controller display 247
- Supposed causes 247
- Troubleshooting 247
- Troubleshooting by indication on the remote controller sie39 407 247
- U8 malfunction of transmission between master and slave remote controllers 247
- U9 malfunction of transmission between indoor and outdoor units in the same system 248
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 249
- Troubleshooting 249
- Troubleshooting by indication on the remote controller sie39 407 249
- All models of indoor unit rxyq5ma 48ma 250
- Applicable models 250
- Excess of connected indoor units defect of outdoor unit pc board a1p mismatching of the refrigerant type of indoor and outdoor unit setting of outdoor p c board was not conducted after replacing to spare parts p c board 250
- Malfunction decision conditions 250
- Method of malfunction detection 250
- Remote controller display 250
- Sie39 407 troubleshooting by indication on the remote controller 250
- Supposed causes 250
- The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit 250
- Troubleshooting 250
- Troubleshooting 239 250
- Ua excessive number of indoor units 250
- Uc address duplication of central remote controller 251
- Applicable models 252
- Malfunction decision conditions 252
- Method of malfunction detection 252
- Remote controller display 252
- Supposed causes 252
- Ue malfunction of transmission between central remote controller and indoor unit 252
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 253
- Troubleshooting 253
- Troubleshooting by indication on the remote controller sie39 407 253
- All models of indoor units rxyq5ma 48ma 254
- Applicable models 254
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor failure to execute wiring check operation defect of indoor unit pc board 254
- Malfunction decision conditions 254
- Method of malfunction detection 254
- Note test operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour 254
- Remote controller display 254
- Sie39 407 troubleshooting by indication on the remote controller 254
- Supposed causes 254
- Troubleshooting 254
- Troubleshooting 243 254
- Uf refrigerant system not set incompatible wiring piping 254
- All models of indoor units rxyq5ma 48ma 255
- Applicable models 255
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor defect of indoor unit pc board defect of outdoor unit pc board a1p 255
- Malfunction decision conditions 255
- Method of malfunction detection 255
- Remote controller display 255
- Supposed causes 255
- Troubleshooting 255
- Troubleshooting by indication on the remote controller sie39 407 255
- Uh malfunction of system refrigerant system address undefined 255
- All models of indoor units rxyq5ma 48ma 256
- Applicable models 256
- Malfunction decision conditions 256
- Malfunction of transmission between optional controllers for centralized control and indoor unit connector for setting master controller is disconnected failure of pc board for central remote controller defect of indoor unit pc board 256
- Method of malfunction detection 256
- Microcomputer checks if transmission between indoor unit and central remote controller is normal 256
- Remote controller display 256
- Supposed causes 256
- Troubleshooting 256
- Troubleshooting op central remote controller 256
- Ue malfunction of transmission between central remote controller and indoor unit 256
- When transmission is not carried out normally for a certain amount of time 256
- M1 pc board defect 257
- Applicable models 258
- Centralized remote controller 258
- M8 malfunction of transmission between optional controllers for centralized control 258
- Malfunction decision conditions 258
- Malfunction of transmission between optional controllers for centralized control defect of pc board of optional controllers for centralized control 258
- Method of malfunction detection 258
- Remote controller display 258
- Sie39 407 troubleshooting op central remote controller 258
- Supposed causes 258
- Troubleshooting 258
- Troubleshooting 247 258
- Ma improper combination of optional controllers for centralized control 259
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 260
- Sie39 407 troubleshooting op central remote controller 260
- Troubleshooting 260
- Troubleshooting 249 260
- Mc address duplication improper setting 261
- Troubleshooting op schedule timer 262
- Ue malfunction of transmission between central remote controller and indoor unit 262
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 263
- Troubleshooting 263
- Troubleshooting op schedule timer sie39 407 263
- M1 pc board defect 264
- All models of indoor units schedule timer 265
- Applicable models 265
- M8 malfunction of transmission between optional controllers for centralized control 265
- Malfunction decision conditions 265
- Malfunction of transmission between optional controllers for centralized control defect of pc board of optional controllers for centralized control 265
- Method of malfunction detection 265
- Remote controller display 265
- Supposed causes 265
- Troubleshooting 265
- Troubleshooting op schedule timer sie39 407 265
- Ma improper combination of optional controllers for centralized control 266
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 267
- Troubleshooting 267
- Troubleshooting op schedule timer sie39 407 267
- Mc address duplication improper setting 268
- Operation lamp blinks 269
- Troubleshooting op unified on off controller 269
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 270
- Sie39 407 troubleshooting op unified on off controller 270
- Troubleshooting 270
- Troubleshooting 259 270
- Display under host computer integrate control blinks repeats single blink 271
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 272
- Sie39 407 troubleshooting op unified on off controller 272
- Troubleshooting 272
- Troubleshooting 261 272
- Troubleshooting 273
- Troubleshooting op unified on off controller sie39 407 273
- Applicable models 274
- Central control address group no is not set for indoor unit improper address setting improper wiring of transmission wiring 274
- Display under host computer integrate control blinks repeats double blink 274
- Malfunction decision conditions 274
- Method of malfunction detection 274
- Remote controller display 274
- Sie39 407 troubleshooting op unified on off controller 274
- Supposed causes 274
- Troubleshooting 274
- Troubleshooting 263 274
- Under host computer integrated control repeats double blink 274
- Unified on off controller 274
- 1 turn off the power supply 2 measure the resistance between vcc and each phase of u v w and gnd and each phase at the motor side connectors five core wire to check that the values are balanced within the range of 20 while connector or relay connector is disconnected 275
- Check no 8 275
- Check no 9 275
- Check on connector of fan motor power supply cable 1 turn off the power supply measure the resistance between phases of u v w at the motor side connectors three core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected 275
- Troubleshooting 275
- Troubleshooting op unified on off controller sie39 407 275
- Check no 12 276
- Check on pulse input of position signal of fan inverter pcb 1 disconnect the connector x2a while power supply off and operation off 2 is the voltage between pins no 4 and 5 on x2a approx 15 v after power supply is turned on 3 connect the connector x2a while power supply off and operation off 4 check below conditions when the fan motor is rotated one turn manually under the condition of operation off after power supply is turned on are the pulse approx 0 v and 5 v generated 4 times between no 1 and 5 on x2a are the pulse approx 0 v and 5 v generated 4 times between no 2 and 5 on x2a are the pulse approx 0 v and 5 v generated 4 times between no 3 and 5 on x2a 276
- List of electrical and functional parts 01 278
- Option list 09 278
- Part 7 appendix 278
- Piping diagrams 68 278
- Piping installation point 12 278
- Selection of pipe size joints and header 14 278
- Thermistor resistance temperature characteristics 19 8 pressure sensor 21 9 method of replacing the inverter s power transistors and diode modules 22 278
- Wiring diagrams for reference 77 278
- Appendix 279
- Outdoor unit 279
- Piping diagrams 279
- Piping diagrams sie39 407 279
- Rxyq5may1 279
- Appendix 269 280
- Rxyq8may1 rxyq10may1 rxyq12may1 280
- Sie39 407 piping diagrams 280
- Appendix 281
- D048034a 281
- Piping diagrams sie39 407 281
- Rxyq14may1 rxyq16may1 281
- Electronic expansion valve 282
- Filter filter 282
- Flare connectio 282
- Flare connection 282
- Fxcq fxzq fxfq fxkq fxsq fxmq fxhq fxaq fxlq fxnq 282
- Gas piping connection port 282
- Heat exchanger 282
- Indoor unit 282
- Liquid piping connection port 282
- Φ 15 or less attached piping above φ 19 282
- Refrigerant pipe connection port diameters 283
- Fxmq125mfv1 200mfv1 250mfv1 284
- Refrigerant pipe connection port diameters 284
- Connection unit 285
- Fxuq bevq 285
- Indoor unit 285
- Appendix 275 286
- Connection unit 286
- D047084 286
- Fxaq bevq 286
- Indoor unit 286
- Sie39 407 piping diagrams 286
- Appendix 287
- Connection unit 287
- D047084 287
- Fxlq bevq 287
- Indoor unit 287
- Piping diagrams sie39 407 287
- Appendix 277 288
- Outdoor unit 288
- Rxyq5may1 288
- Sie39 407 wiring diagrams for reference 288
- Wiring diagrams for reference 288
- Appendix 289
- D047088c 289
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the option adaptor refer to the installation manual 5 refer to the installation manual for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 6 refer to service precaution label on el compo box cover how to use bs1 bs5 and ds1 3 switch 7 when operation don t short circuit for protection device s1ph s2ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange 289
- Power supply 289
- Rxyq8may1 rxyq10may1 rxyq12may1 289
- Wiring diagrams for reference sie39 407 289
- Appendix 279 290
- D047089c 290
- Notes 1 this wiring diagram is applied only to the outdoor unit 2 field wiring 3 terminal strip connector terminal protective earth screw 4 when using the option adaptor refer to the installation manual 5 refer to the installation manual for connection wiring to indoor outdoor transmission f1 f2 outdoor outdoor transmission f1 f2 outdoor multi transmission q1 q2 6 refer to service precaution label on el compo box cover how to use bs1 bs5 and ds1 3 switch 7 when operation don t short circuit for protection device s1ph s3ph 8 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange 290
- Power supply 290
- Rxyq14may1 rxyq16may1 290
- Sie39 407 wiring diagrams for reference 290
- Appendix 291
- Field wiring 291
- Indoor units 291
- Outdoor units 291
- Rxyq5may1 8may1 10may1 12may1 14may1 16may1 291
- Wiring diagrams for reference sie39 407 291
- Appendix 281 292
- Indoor units indoor units 292
- Outdoor units outdoor units 292
- Rxyq18may1 20may1 22may1 24may1 26may1 28may1 30may1 32may1 292
- Sie39 407 wiring diagrams for reference 292
- When the power source is suppled to each outdoor unit individually when the power source is connected in series between the units 292
- Appendix 293
- Indoor units indoor units 293
- Outdoor units outdoor units 293
- Rxyq34may1 36may1 38may1 40may1 42may1 44may1 46may1 48may1 293
- When the power source is suppled to each outdoor unit individually when the power source is connected in series between the units 293
- Wiring diagrams for reference sie39 407 293
- 240v 50hz 294
- Appendix 283 294
- Electric parts box 294
- Fxcq20m 25m 32m 63mve 294
- Indoor unit 294
- Note 4 294
- Note 4 receiver display unit infrared remote control 294
- Note 5 input from outside note 3 transmission wiring central remote control 294
- Power supply 294
- Sie39 407 wiring diagrams for reference 294
- Terminal block connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached instruction manual 4 when using the option adaptor refer to the installation manual 5 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 6 symbols shows as follows pnk pink wht white ylw yellow org orange blu blue blk black red red brn brown grn green 7 use copper conductors only 294
- V 60hz 294
- Wired remote control 294
- Wired remote control optional accessory 294
- Appendix 295
- Connector for optional parts 295
- Electric parts box 295
- Fxcq40m 50m 80m 125mve 295
- Indoor unit 295
- Note 4 295
- Note 4 receiver display unit infrared remote control 295
- Note 5 input from outside note 3 transmission wiring central remote control 295
- Power supply 220 240v 50hz 295
- Terminal block connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached instruction manual 4 x23a is connected when the infrared remote control kit is being used 5 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 6 symbols shows as follows pnk pink wht white ylw yellow org orange blu blue blk black red red brn brown grn green 7 use copper conductors only 295
- V 60hz 295
- Wired remote control 295
- Wired remote control optional accessory 295
- Wiring diagrams for reference sie39 407 295
- Appendix 285 296
- Connector 296
- Control box 296
- Field wiring 2 in case using central remote control connect it to the unit in accordance with the attached instruction manual 3 x23a is connected when the infrared remote control kit is being used 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 5 remote control model varies according to the combination system confirm engineering materials and catalogs etc before connecting 6 symbols shows as follows red red blk black wht white ylw yellow pnk pink org orange grn green blu blue 296
- Fxzq20m 25m 32m 40m 50mve 296
- Note 3 296
- Note 3 input from outside note 4 transmission wiring central remote control note 2 296
- Power supply 220 240v 50hz 296
- Receiver display unit 296
- Sie39 407 wiring diagrams for reference 296
- Terminal 296
- V 60hz 296
- Wired remote control 296
- Appendix 297
- Fxfq25m 32m 40m 50m 63m 80m 100m 125mve 297
- Input from outside note 4 transmission wiring central remote control note 2 297
- Note 3 297
- Note 3 receiver display unit infrared remote control 297
- Power supply 220 240v 50hz 297
- Remote control model varies according to the combination system confirm engineering data and catalogs etc before connecting 6 confirm the method of setting the selector switch ss1 ss2 of wired remote control and infrared remote control by installation manual and engineering data etc 7 symbols shows as follows red red blk black wht white ylw yellow grn green org orange brn brown pnk pink gry gray blu blue 297
- Switch box indoor unit 297
- Terminal block connector field wiring 2 in case using central remote control connect it to the unit in accordance with the attached installation manual 3 x23a is connected when the infrared remote control kit is being used 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 297
- V 60hz 297
- Wired remote control 297
- Wiring diagrams for reference sie39 407 297
- Appendix 287 298
- Electric parts box 298
- Fxkq25m 32m 40m 63mve 298
- Note 3 transmission wiring central remote control 298
- Note 4 input from outside 298
- Note 5 298
- Notes 1 terminal block connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached instruction manual 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 5 in case high e s p operation change over the wiring connection from x2a tot x3a 6 symbols shows as follows pnk pink wht white ylw yellow org orange blu blue blk black red red brn brown gry gray 7 use copper conductors only 298
- Power supply 220 240v 50hz 298
- Sie39 407 wiring diagrams for reference 298
- V 60hz 298
- Wired remote control optional accessory 298
- Appendix 299
- Fxdq20n 25n 32n 40n 50n 63nve 299
- Wiring diagrams for reference sie39 407 299
- 240v 50hz 300
- 50 63 80 100 125 type 300
- 80 100 125 type 300
- Adaptor for wiring optional accessory 300
- Appendix 289 300
- Compressor operation 300
- D039561a 300
- Electric parts box 300
- Fan operation 300
- Fxsq20m 25m 32m 40m 50m 63m 80m 100m 125mve 300
- High e s p operation 300
- Low e s p operation 300
- Note 3 transmission wiring central remote control 300
- Note 4 input from outside 300
- Power supply 300
- Separate power supply note 5 note 6 300
- Sie39 407 wiring diagrams for reference 300
- Terminal block connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached installation manual 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 5 in case installing the electric heater execute the additional wiring for heater circuit k1m e1h in this case the main power supply has to be supplied independently 6 in case high or low e s p operation change over the wiring connection from x4a of a2p to x3a or x5a 7 symbols shows as follows pnk pink wht white ylw yellow gry gray org orange blu blue blk black red red brn brown grn green 8 use copper conductors only 300
- Terminals for operation indicator 300
- V 60hz 300
- Wired remote control optional accessory 300
- Appendix 301
- Fxmq40m 50m 63m 80m 100m 125mve 301
- Terminal block connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached installation manual 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 5 in case high e s p operation change the wiring connection of x2a as shown upper figure 7 symbols shows as follows pnk pink wht white ylw yellow org orange blu blue blk black red red brn brown 8 use copper conductors only 301
- Wiring diagrams for reference sie39 407 301
- Appendix 291 302
- Fxmq200m 250mve 302
- Notes 1 terminal block connector short circuit connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached instruction manual 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 5 in case installing the drain pump remove the short circuit connector of x8a and execute the additional wiring for float switch and drain pump 6 symbols shows as follows pnk pink wht white ylw yellow org orange blu blue blk black red red brn brown 7 in case high e s p operation change the switch ss for h 302
- Sie39 407 wiring diagrams for reference 302
- Appendix 303
- Electric parts box 303
- Fxhq32m 63m 100mve 303
- Note 3 transmission wiring central remote control 303
- Note 4 receiver display unit infrared remote control 303
- Note 5 input from outside 303
- Note 6 303
- Notes 1 terminal block connector short circuit connector terminal 2 field wiring 3 in case using central remote control connect it to the unit in accordance with the attached instruction manual 4 x23a is connected when the infrared remote control kit is being used 5 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 6 in case installing the drain pump remove the short circuit connector of x8a and execute the additional wiring for float switch and drain pump 7 symbols shows as follows pnk pink wht white ylw yellow org orange blu blue blk black red red 8 use copper conductors only 303
- Power supply 220 240v 50hz 303
- V 60hz 303
- Wired remote control optional accessory 303
- Wiring diagrams for reference sie39 407 303
- Appendix 293 304
- Fxaq20m 25m 32mve 40m 50m 63mve 304
- Sie39 407 wiring diagrams for reference 304
- Appendix 305
- Field wiring 3 in case using central remote control connect it to the unit in accordance with the attached instruction manual 4 when connecting the input wires from outside forced off or on off control operation can be selected by remote control in details refer to the installation manual attached the unit 5 symbols show as follows pnk pink wht white ylw yellow org orange blu blue blk black red red brn brown 6 use copper conductors only 305
- Fxlq20m 25m 32m 40m 50m 63mve fxnq20m 25m 32m 40m 50m 63mve 305
- Note 3 transmission wiring central remote control 305
- Note 4 input from outside 305
- Notes 1 terminal block connector terminal 305
- Power supply 220 240v 50hz 305
- V 60hz 305
- Wired remote control optional accessory electric parts box 305
- Wiring diagrams for reference sie39 407 305
- Appendix 295 306
- Bev unit 306
- Control box 306
- Fxuq71m 100m 125mv1 306
- Indoor unit 306
- Note 3 306
- Note 5 306
- Power supply 50 220 240v 306
- Receiver display unit 306
- Sie39 407 wiring diagrams for reference 306
- Wired remote control 306
- Appendix 307
- Bev unit 307
- Control box indoor 307
- Forwarding of setting point 307
- Fxaq20mh 25mh 32mh 40mh 50mhv1 307
- Note 3 note 8 transmission wiring central remote control 307
- Note 4 307
- Power supply 220 240v 50 307
- Receiver display unit attached to infrared remote control note 7 307
- Side front 307
- Wired remote control 307
- Wiring diagrams for reference sie39 407 307
- Appendix 297 308
- Bev unit note 6 308
- Control box 308
- Fxlq20mh 25mh 32mh 40mh 50mhv1 308
- Power supply 220 240v 50 308
- Sie39 407 wiring diagrams for reference 308
- Wired remote control optional accessory 308
- Appendix 309
- Fxmq125mf 200mf 250mfv1 309
- Wiring diagrams for reference sie39 407 309
- Appendix 299 310
- Bevq50mve 310
- Sie39 407 wiring diagrams for reference 310
- A1p a2p 311
- Appendix 311
- Bev unit 311
- Bevq71m 100m 125mve 311
- F1u hap 311
- Printed circuit board assy power supply printed circuit board assy 220 240v 16v fuse 10a 250v light emitting diode service monitor green thermistor gas selector switch m s terminal strip power terminal strip transmission electronic expansion valve 311
- R3t ss1 x1m x2m y1e 311
- Wiring diagrams for reference sie39 407 311
- Z1c z2c z3c z4f noise filter 311
- List of electrical and functional parts 312
- Outdoor unit 312
- Rxyq5may1 16may1 312
- Appendix 303 314
- C off 87 c on 314
- Indoor side 314
- Indoor unit 314
- Sie39 407 list of electrical and functional parts 314
- Appendix 315
- List of electrical and functional parts sie39 407 315
- Appendix 305 316
- Sie39 407 list of electrical and functional parts 316
- Appendix 317
- K ω 25 c 317
- List of electrical and functional parts sie39 407 317
- St8602a 6 φ 6 317
- St8605 6 φ 8 317
- Μ f 400v 317
- Appendix 307 318
- Sie39 407 list of electrical and functional parts 318
- Appendix 319
- List of electrical and functional parts sie39 407 319
- Thermal protector 130 c off 83 c on 319
- 2 up to 2 adaptors can be fixed for each installation box 3 only one installation box can be installed for each indoor unit 4 up to 2 installation boxes can be installed for each indoor unit 5 installation box no 8 is necessary for second adaptor 6 installation box no 8 is necessary for each adaptor 320
- Fxlq m h 320
- Note 1 installation box no is necessary for each adaptor marked 320
- Note 2 3 krp4a93 320
- Note 4 6 krp1b101 320
- Operation control system optional accessories 320
- Option list 320
- Option list of controllers 320
- Various pc boards 320
- 1 optional diii board dam411a1 expansion kit installed on dms502a51 to provide 3 more diii net communication ports not usable independently 321
- 2 optional di board dam412a1 expansion kit installed on dms502a51 to provide 16 more wattmeter pulse input points not usable independently 321
- 2 software p p d dcs002c51 p p d power proportional distribution function 321
- 3 web dcs004a51 monitors and controls the air conditioning system using the internet and web browser application on a pc 321
- 4 electrical box with earth terminal 4blocks kjb411a wall embedded switch box 321
- Adaptor must be procured on site 321
- Air conditioner management system featuring minimized engineering that can be controlled by personal computers 321
- Appendix 321
- Basic hardware intelligent touch controller dcs601c51 air conditioning management system that can be controlled by a compact all in one unit 321
- Building management system 321
- Communication 321
- Communication line 321
- Communications 321
- Dms502a51 interface unit to allow communications between vrv and bms operation and monitoring of air conditioning systems through bacne 321
- Dms504b51 interface unit to allow communications between vrv and bms operation and monitoring of air conditioning systems through 321
- H 2 interface for use in bacne 321
- H 3 interface for use in 321
- Hardware diii net plus adaptor dcs601a52 additional 64 groups 10 outdoor units is possible 321
- Intelligent manager eco 21 321
- Intelligent touch controller 321
- Is a registered trade mark of echelon corporation 321
- Is a registered trademark of american society of heating refrigerating and air conditioning engineers ashrae 321
- Note installation box for 321
- Number of units to be connected 321
- Option 321
- Option list sie39 407 321
- Optional diii ai unit dam101a51 analog input for sliding temperature function to reduce cold shock for intelligent manager ec021 321
- Ppd does not support connection unit series 321
- System configuration 321
- Units dam602a51 321
- Units dam602a51x2 321
- Units dam602a51x3 321
- Units dam602a51x4 321
- Units dam602a52 321
- Units dam602a53 321
- Appendix 311 322
- Option lists outdoor unit 322
- Rxyq18may1 32may1 322
- Rxyq34may1 48may1 322
- Rxyq5may1 16may1 322
- Sie39 407 option list 322
- Appendix 323
- In the case of 2m or less 323
- In the case of 2m or more 323
- Piping installation point 323
- Piping installation point sie39 407 323
- Since there is a possibility that oil may be collected on a stop machine side install piping between outdoor units to go to level or go up to an outdoor unit and to make a slope 323
- The projection part between multi connection piping kits 323
- When the piping length between the multi connection kits or between multi connection kit and outdoor unit is 2m or more prepare a vertical projection part 200mm or more as shown below only on the gas pipe line location less than 2m from multi connection kit 323
- Good good 324
- The example of a wrong pattern 324
- Between outdoor unit and uppermost stream refnet joint 325
- For refnet joints other than the first branch select the proper ones based on the total capacity index of the indoor units installed after the first branch using the following table 325
- How to select pipe size 325
- How to select the refnet joint 325
- How to select the refnet joint select the refnet joint from the following table when using refnet joints at the first branch counted from the outdoor unit side ex refnet joint a 325
- Piping material select the piping material to be used from the next table according to piping size 325
- Rxyq5may1 rxyq8may1 rxyq10may1 rxyq12may1 rxyq14may1 rxyq16may1 325
- Selection of pipe size joints and header 325
- The table shows the requirements of japanese high pressure gas control low the thickness and material shall be selected in accordance with local code as of jan 003 325
- Wall thickness of refrigerant pipe 325
- How to select the refnet header 326
- Pipe size for direct connection to indoor unit must be the same as the connection size of indoor unit 326
- Piping between the refnet joints 326
- Piping between the refnet joints and indoor unit 326
- Select the proper pipe size using the following table based on the total capacity index of indoor units connected downstream connection piping size should not exceed the refrigerant piping size selected by the model with combination units 326
- When connecting the indoor unit larger than 250 or more use with khrp26m33t m72t to upper stream side do not connect downstream side select the proper refnet header using the following table based on the total capacity index of indoor units installed after the header 326
- For refnet joints other than the first branch select the proper ones based on the total capacity index of the indoor units installed after the first branch using the following table 327
- How to select pipe size 327
- How to select the refnet joint 327
- How to select the refnet joint select the refnet joint from the following table when using refnet joints at the first branch counted from the outdoor unit side 327
- Main piping between multi connection piping kit and refnet joint select the proper ones based on the following table 327
- Piping material select the piping material to be used from the next table according to piping size 327
- Rxyq18may1 rxyq20may1 rxyq22may1 rxyq24may1 rxyq26may1 rxyq28may1 rxyq30may1 rxyq32may1 rxyq34may1 rxyq36may1 rxyq38may1 rxyq40may1 rxyq42may1 rxyq44may1 rxyq46may1 rxyq48may1 327
- How to select the refnet header 328
- Piping between the multi connection piping kit 328
- Piping between the refnet joints 328
- Select the proper pipe size using the following table based on the total capacity index of indoor units connected downstream connection piping size should be larger than main piping size connection piping size should not exceed the refrigerant piping size selected by the model with combination units 328
- Select the proper pipe size using the following table based on the total capacity index of outdoor units connected upper stream 328
- Select the proper refnet header using the following table based on the total capacity index of indoor units installed after the header 328
- The table shows the requirements of japanese high pressure gas control low the thickness and material shall be selected in accordance with local code as of jan 003 328
- Wall thickness of refrigerant pipe 328
- When using refnet joints at the first branch counted from the outdoor unit side use khrp26m73h for larger than rxyq24my1b 328
- Outdoor unit multi connection piping kit 329
- Pipe size for direct connection to indoor unit must be the same as the connection size of indoor unit 329
- Pipe size for direct connection to outdoor unit must be the same as the connection size of outdoor unit 329
- Piping between outdoor unit and multi connection piping kit 329
- Piping between refnet joint and indoor unit 329
- Select the piping kit according to the no of outdoor units 329
- Appendix 319 330
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 330
- Outdoor unit for outdoor air r1t for coil r2t for suction pipe r4t for receiver gas pipe r5t 330
- Sie39 407 thermistor resistance temperature characteristics 330
- Thermistor resistance temperature characteristics 330
- Appendix 331
- Outdoor unit thermistors for discharge pipe r3t 331
- Thermistor resistance temperature characteristics sie39 407 331
- Pressure sensor 332
- Decision according to continuity check by analog tester before checking disconnect the electric wiring connected to the power transistor and diode module 333
- Electronic circuit 333
- Inverter p c board 333
- Inverter pc board a2p 333
- Method of replacing the inverter s power transistors and diode modules 333
- Appendix 323 334
- Decision if other than given above the diode module is defective and must be replaced 334
- Decision if other than given above the power unit is defective and must be replaced 334
- Diode module 334
- Note above figures are measured by analogue tester make sure to set tester range to x 1k 334
- Power transistor igbt on inverter pc board 334
- Sie39 407 method of replacing the inverter s power transistors and diode modules 334
- Part 8 336
- Precautions for new refrigerant r410a 336
- Precautions for new refrigerant r410a 26 336
- About refrigerant r410a 337
- Characteristics of new refrigerant r410a 1 performance almost the same performance as r22 and r407c 2 pressure working pressure is approx 1 times more than r22 and r407c 3 refrigerant composition few problems in composition control since it is a quasi azeotropic mixture refrigerant 337
- H 1 non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points h 2 quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points h 3 the design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 337
- Outline 337
- Precautions for new refrigerant r410a 337
- Precautions for new refrigerant r410 327 338
- Sie39 407 precautions for new refrigerant r410a 338
- Thermodynamic characteristic of r410a 338
- Refrigerant cylinders 339
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 340
- Copper tube material and thickness 340
- Material 340
- O o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 340
- O o o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 340
- O soft annealed h hard drawn 340
- Pipe size 340
- R410a is used under higher working pressure compared to previous refrigerants r22 r407c furthermore the refrigerating machine oil has been changed from suniso oil to ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems therefore gauge manifolds and charge hoses that are used with a previous refrigerant r22 r407c can not be used for products that use new refrigerants be sure to use dedicated tools and devices 340
- Service tools 340
- Thickness mm 0 0 0 1 1 1 1 1 1 1 1 340
- Tool compatibility 340
- Ve up r407c ve u 340
- Φ 6 φ 9 φ 12 φ 15 φ 19 φ 22 φ 25 φ 28 φ 31 φ 38 φ 44 340
- Conventional flaring tools can be used when the work process is changed change of work process previously a pipe extension margin of 0 to 0 mm was provided for flaring for r410a air conditioners perform pipe flaring with a pipe extension margin of 1 to 1 mm for clutch type only conventional tool with pipe extension margin adjustment can be used 341
- Differences 2 change of dimension a 341
- Flaring tool 341
- Specifications 2 dimension a 341
- Unit mm 341
- Can not be used 344
- Drawings flow charts 350
- B 8400 ostend belgium 352
- Sie39 407 06 2005 prepared in belgium by lannoo 352
- Www daikineurope com 352
- Zandvoordestraat 300 352
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