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Daikin REYQ96MTJU [17/273] Specifications
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Specifications SiUS39-602
6 Specifications
1. Specifications
1.1 Outdoor Units
Notes:
★
1 Indoor temp. : 80°FDB or 67°FWB / outdoor temp. : 95°FDB / Equivalent piping length : 25 ft, level
difference: 0.
★
2 Indoor temp. : 70°FDB / outdoor temp. : 47°FDB or 43°FWB / Equivalent piping length : 25 ft, level
difference: 0.
★
3 Anechoic chamber conversion value, measured under JISB8616 conditions. During actual operation,
these values are normally somewhat higher as a result of ambient conditions.
Model Name REYQ72MTJU
★
1 Cooling Capacity Btu / h 72,000
★
2 Heating Capacity Btu / h 81,000
Casing Color Ivory White (5Y7.5/1)
Dimensions: (H×W×D) in 64 × 48-7/8 × 30-1/8
Heat Exchanger Cross Fin Coil
Comp.
Type Hermetically Sealed Scroll Type
Piston Displacement m³/h 13.72+10.47
Number of Revolutions r.p.m 6480, 2900
Motor Output × Number
of Units
kW (2.7+4.5) × 1
Starting Method Direct on line
Fan
Type Propeller Fan
Motor Output kW 0.75 × 1
Air Flow Rate cfm 7,400
Drive Direct Drive
Connecting
Pipes
Liquid Pipe in 3/8 in C1220T (Flare Connection)
Gas Pipe in 3/4 in C1220T (Brazing Connection)
Discharge Gas Pipe in 5/8 in C1220T (Brazing Connection)
Machine Weight (Mass) Lbs 666
★
3 Sound Level (Reference Value) dBA 60
Safety Devices
High Pressure Switch, Fan Driver Overload Protector, Over Current Relay, Inverter Overload Protector, Fusible Plugs,
Ground fault circuit interrupter
Defrost Method Deicer
Capacity Control % 14~100
Refrigerant
Refrigerant Name R-410A Series
Charge Lbs 27.3
Control Electronic Expansion Valve
Refrigerator
Oil
Synthetic (ether) oil
Charge Volume L 1.9+1.6
Standard Accessories Installation Manual, Operation Manual, Connection Pipes, Clamps
Drawing No. 4D053303A
Содержание
- Reyq72 96 144 168 192mtju r 410a heat recovery 60hz 1
- Sius39 602 1
- Basic control 0 2
- Function general 8 2
- Functional parts layout 9 2
- Introduction vi 2
- Model names of indoor outdoor units 2 external appearance 2
- Model selection 2
- Part 1 general information 1 2
- Part 2 specifications 5 2
- Part 3 refrigerant circuit 25 2
- Part 4 function 37 2
- R 410a heat recovery 60hz 2
- Refrigerant circuit 6 2
- Refrigerant flow for each operation mode 1 2
- Special control 8 2
- Specifications 2
- Other control 4 3
- Outdoor unit pc board layout 8 3 field setting 9 3
- Outline of control indoor unit 8 3
- Part 5 test operation 73 3
- Part 6 troubleshooting 111 3
- Protection control 9 3
- Test operation 4 3
- Troubleshooting by indication on the remote controller 27 3
- Troubleshooting by remote controller 14 3
- Troubleshooting op central remote controller 94 5
- Troubleshooting op schedule timer 99 5
- Troubleshooting op unified on off controller 06 5
- Drawings flow charts v 6
- Example of connection r 410a type 36 6
- Index i 6
- List of electrical and functional parts 30 6
- Option list 34 6
- Part 7 replacement procedure for inv compressor 6
- Part 8 appendix 217 6
- Part 9 precautions for new refrigerant r 410a 245 6
- Piping diagrams 18 6
- Precautions for new refrigerant r 410a 46 6
- Replacement procedure for inv compressor vrv reyq72m 96m 16 6
- Thermistor resistance temperature characteristics 39 7 pressure sensor 41 8 method of replacing the inverter s power transistors and diode modules 42 6
- Vrv reyq72m 96m 215 6
- Wiring diagrams for reference 22 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Cautions regarding products after repair 8
- Warning 8
- Caution 9
- Inspection after repair 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 10
- Using icons 10
- Using icons list 10
- Warning 10
- Preface 11
- Part 1 general information 12
- Bs units 13
- Indoor units 13
- Model names of indoor outdoor units 13
- Outdoor units inverter series 13
- This time we publish sius39 602 new information reyq 72 144 168mtju wall mounted type fxaq07 09m as shown by 13
- External appearance 14
- Indoor units 14
- Outdoor units 14
- Connectable indoor unit 15
- Connectable indoor units number and capacity 15
- 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 15
- Indoor unit capacity 15
- Model selection 15
- The total capacity of connected indoor units must be within a range of 70 to 130 of the rated capacity of the outdoor unit 15
- Unit number and capacity of indoor unit connectable to bs unit 15
- 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 15
- Vrv heat recovery series 15
- Part 2 specifications 16
- Specifications 16
- Outdoor units 17
- Specifications 17
- Specifications sius39 602 17
- Sius39 602 specifications 18
- Specifications 7 18
- Specifications 19
- Specifications sius39 602 19
- Sius39 602 specifications 20
- Specifications 9 20
- Specifications 21
- Specifications sius39 602 21
- Ceiling mounted cassette type multi flow 22
- Indoor units 22
- Sius39 602 specifications 22
- Specifications 11 22
- Ceiling mounted cassette type multi flow 23
- Specifications 23
- Specifications sius39 602 23
- Sius39 602 specifications 24
- Slim ceiling mounted duct type 24
- Specifications 13 24
- Slim ceiling mounted duct type 25
- Specifications 25
- Specifications sius39 602 25
- Ceiling mounted built in type 26
- Sius39 602 specifications 26
- Specifications 15 26
- Ceiling mounted built in type 27
- Specifications 27
- Specifications sius39 602 27
- Ceiling mounted duct type 28
- Sius39 602 specifications 28
- Specifications 17 28
- Ceiling suspended type 29
- Specifications 29
- Specifications sius39 602 29
- Sius39 602 specifications 30
- Specifications 19 30
- Wall mounted type 30
- Specifications 31
- Specifications sius39 602 31
- Wall mounted type 31
- Floor standing type 32
- Sius39 602 specifications 32
- Specifications 21 32
- Concealed floor standing type 33
- Specifications 33
- Specifications sius39 602 33
- Bs units 34
- Connection range for bs unit 34
- Sius39 602 specifications 34
- Specifications 23 34
- Functional parts layout 9 36
- Part 3 refrigerant circuit 36
- Refrigerant circuit 6 36
- Refrigerant flow for each operation mode 1 36
- Refirgerant circuit 37
- Refrigerant circuit 37
- Refrigerant circuit sius39 602 37
- Reyq72m 96m 37
- D045329a 38
- Refirgerant circuit 27 38
- Reyq72m 96m 38
- Sius39 602 refrigerant circuit 38
- A y1s solenoid valve 20rt used to sub cool the liquid refrigerant 39
- B y3s solenoid valve 20rh used to changeover the cooling and heating operation of indoor units 39
- Bsvq36 60m 39
- C capillary tube used to lower the pressure and temperature of high pressure and high temperature liquid refrigerant and then sub cool the liquid refrigerant through the heat exchanger 39
- No symbol name major function 39
- Refirgerant circuit 39
- Refrigerant circuit sius39 602 39
- Front view 40
- Functional parts layout 40
- Functional parts layout solenoid valve etc 40
- Reyq72m 96m 40
- Front view 41
- Functional parts layout sius39 602 41
- Refirgerant circuit 41
- Sensor pressure switch relating 41
- Cooling operation 42
- Indoor unit operation 42
- Refirgerant circuit 31 42
- Refrigerant flow for each operation mode 42
- Sius39 602 refrigerant flow for each operation mode 42
- Bs unit 43
- Indoor unit 43
- Indoor unit operation 43
- Refirgerant circuit 43
- Refrigerant flow for each operation mode sius39 602 43
- Simultaneous cooling heating operation mode a 43
- To other indoor units 43
- Bs unit 44
- Indoor unit 44
- Indoor unit operation 44
- Refirgerant circuit 33 44
- Simultaneous cooling heating operation mode b 44
- Sius39 602 refrigerant flow for each operation mode 44
- To other indoor units 44
- Bs unit 45
- Heating or simultaneous cooling heating operation mode c in case there are indoor units operating with cooling thermostat on 45
- Indoor unit 45
- Indoor unit operation 45
- Refirgerant circuit 45
- Refrigerant flow for each operation mode sius39 602 45
- To other indoor units 45
- Bs unit 46
- Heating or simultaneous cooling heating operation mode c in case there are indoor units operating all heating or not operation by cooling thermostat off 46
- Indoor unit 46
- Indoor unit operation 46
- Refirgerant circuit 35 46
- Sius39 602 refrigerant flow for each operation mode 46
- To other indoor units 46
- Bs unit 47
- Electronic exp valve openning refer to page 41 43 47
- Indoor unit 47
- Indoor unit operation 47
- Oil return or defrost operation 47
- Refirgerant circuit 47
- Refrigerant flow for each operation mode sius39 602 47
- To other indoor units 47
- Basic control 0 48
- Function general 8 48
- Other control 4 48
- Outline of control indoor unit 8 48
- Part 4 function 48
- Protection control 9 48
- Special control 8 48
- Function general 49
- Symbol 49
- Function 39 50
- In the event indoor unit stops or the thermostat turns off while in oil return operation or defrosting operation pump down residual operation is performed on completion of the oil return operation or defrosting operation 50
- Indoor unit stop or thermostat off 50
- Indoor unit thermostat on 50
- Malfunction standby 50
- Operation mode 50
- Pump down residual operation 50
- Sius39 602 function general 50
- Basic control 51
- Heating operation is not functional at an outdoor air temperature of 77 f or more 51
- Normal operation 51
- Compressor pi control 52
- Compressor pi control carries out the compressor capacity pi control to maintain te at constant during cooling operation and tc at constant during heating operation to ensure stable unit performance 52
- Cooling operation 52
- Heating operation 52
- Basic control sius39 602 53
- Compressor operating priority 53
- 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 53
- Function 53
- Inv inverter compressor std1 standard compressor 1 each compressor operates in the following order of priority 53
- Inv std1 53
- No 1 no 2 53
- Reyq72m 53
- Reyq96m 53
- Compressor operating priority 54
- 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 54
- Function 43 54
- Inv inverter compressor std1 standard compressor 1 each compressor operates in the following order of priority 54
- Inv std1 54
- No 1 no 3 54
- No 2 no 4 54
- No 2 no 4 no 1 no 3 54
- Reyq144m 54
- Reyq168m 54
- Sius39 602 basic control 54
- Basic control sius39 602 55
- Compressor operating priority 55
- 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 55
- Function 55
- Inv inverter compressor std1 standard compressor 1 each compressor operates in the following order of priority 55
- Inv std1 55
- No 1 no 3 55
- No 2 no 4 55
- No 2 no 4 no 1 no 3 55
- Reyq192m 55
- Electronic expansion valve pi control 56
- Main motorized valve ev1 control sub motorized valve ev2 control carries out the motorized valve y1e y2e 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 56
- Sub cooling motorized valve ev3 control makes pi control of the motorized valve y3e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the sub cooling heat exchanger 56
- The optimum initial value of the evaporator outlet superheated degree is 9 f but varies depending on the discharge pipe superheated degree of inverter compressor 56
- Cooling operation fan control 57
- Fan steps 57
- In cooling operation with low outdoor air temperature this control is used to provide the adequate amount of circulation air with liquid pressure secured by high pressure control using outdoor unit fan 57
- Pc hp pressure sensor detection value 57
- Heat exchange mode in heating operation or simultaneous cooling heating operation 58
- In heating or simultaneous cooling heating operation a target condensing and evaporating temperature can be secured by switching the air heat exchanger of the outdoor unit main sub into evaporator or condenser with load 58
- Note 1 hold maintain the previous position before entering this operation note 2 on at starting immediately after power is on note 3 svo is open even independent outdoor unit installation 59
- Special control 59
- Startup control 59
- Startup control in cooling operation 59
- This startup control is used to provide the following control to reduce the compressor load resulting from liquid return or else during compressor startup and also determine the position of four way valves 59
- Note on at starting immediately after power is on 60
- Startup control in heating operation 60
- In order to prevent the running out of refrigerating machine oil in the compressor the oil flowing out from the compressor to the system side is collected through the oil return operation 61
- Oil return operation 61
- Oil return operation in cooling operation 61
- Starting conditions start oil return operation in cooling operation referring to the following conditions cumulative oil return amount timer cumulative compressor operating time after power supply turns on exceeds 2 hours and the time after the completion of previous oil return operation exceeds 8 hours furthermore the cumulative oil return is calculated according to tc te and compressor load 61
- Hours however 2 hours after turning power on first time 62
- Oil return operation in heating operation 62
- Starting conditions start oil return operation in heating operation referring to the following conditions cumulative compressor operating time after power supply turns on exceeds 2 hours and the time after the completion of previous oil return operation exceeds 8 hours and cumulative oil return is calculated based on tc te compressor load 62
- Defrost operation is started when the outdoor heat exchanger temperature becomes lower than deicer temperature defrost operation is conducted once in max 2 hours 63
- Defrosting operation 63
- In order to melt the frost accumulated on the heat exchanger during heating operation defrost operation is performed to restore the heating capacity starting conditions start defrosting operation referring to the following conditions heat conductivity of outdoor heat exchangers heat exchange temperature tb timer min 2 hours the heat conductivity of outdoor heat exchangers is calculated based on tc te and compressor load 63
- Pressure equalizing control 64
- This pressure equalization control is used to equalize the pressure of discharge piping and suction piping in order to reduce refrigerant passing noise when changing over the bs units starting conditions the temperature control of indoor units with thermostat on does not match up with the state of the bs unit changeover valve to which the indoor units are connected 64
- If any liquid refrigerant remains in the heat exchanger during compressor startup the liquid refrigerant will enter the compressor resulting in the dilution of the refrigerating machine oil in the compressor and the degradation of lubricating capacity therefore before the compressor stops pump down operation is performed to collect the refrigerant in the heat exchanger 65
- Pump down residual operation 65
- Pump down residual operation in cooling operation 65
- Note 1 hold maintain the previous position mode before entering this operation 66
- Pump down residual operation in heating operation 66
- Forced standby is performed to prevent frequent repetition of on off of the compressor and to equalize pressure in the refrigerant system 67
- Note 1 hold maintain the previous position mode before entering this operation 67
- Restart standby 67
- Note 1 hold maintain the previous position mode before entering this operation 68
- Stopping operation 68
- This operation is used to define the operation of the actuator while the system stops 68
- When system is in stop mode 68
- In cooling operation the system operates in mode a or mode b listed in the table below 69
- In heating operation the system operates in mode a or mode b listed in the table below 69
- Mode a operating unit collects refrigerant 69
- Mode a or b operation 69
- Mode b stopping unit storage refrigerant 69
- Stopping operation of slave units during master unit is in operation with multi outdoor unit system 69
- 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 69
- Function 59 70
- High pressure protection control 70
- In cooling operation 70
- In heating operation 70
- Protection control 70
- Sius39 602 protection control 70
- 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 70
- In cooling operation 71
- In heating operation 71
- Low pressure protection control 71
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 71
- Discharge pipe protection control 72
- Each compressor performs the discharge pipe temperature protection control individually in the following sequence 72
- Inv compressor 72
- Std compressor 72
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 72
- Fin temp standby 73
- Inv upper limit frequency 1 step 1 min up from current compressor frequency interval 73
- Inverter current 178 f continues for 3 min or more 73
- 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 73
- Inverter fin temperature control 73
- Inverter overcurrent protection control 73
- Inverter protection control 73
- Not limited 73
- Tfin 178 f inv upper limit frequency 210 hz 73
- Under fin temperature protection control 73
- When occurring 3 times within 60 min the malfunction code l4 is output 73
- Std compressor overload protection 74
- This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of std compressor such as locking 74
- After oil return operation after defrosting operation at the beginning of the starting control 75
- Details of outdoor unit rotation in the case of multi outdoor unit system each outdoor unit is given an operating priority for the control 75
- Example the following diagram shows outdoor unit rotation in combination of 3 outdoor units 75
- In the case of multi outdoor unit system this outdoor unit rotation is used to prevent the compressor from burning out due to unbalanced oil level between outdoor units 75
- Master unit and slave unit in this section are the names for installation they are determined in installation work and not changed thereafter these names are different from master unit and slave unit for control the outdoor unit connected the control wires f1 and f2 for the indoor unit should be designated as master unit consequently the led display on the main pcb for master unit and slave unit do not change refer to the page 66 75
- Other control 75
- Outdoor unit rotation 75
- Outdoor unit rotation makes it possible to change the operating priority of outdoor units 75
- Thus the system becomes free of compressors that stop over an extended period of time at the time of partial loading preventing unbalanced oil level 75
- Timing of outdoor unit rotation 75
- 7777797 7777777 77 7777777 76
- Blink h1 76
- Emergency operation 76
- Factory set 76
- In the case of reyq72m 96m 76
- Led display 76
- Restrictions for emergency operation 76
- 7777777 7777 7 77
- 7777797 7777777 77 7777777 77
- In the case of multi outdoor unit system reyq144 168 192mtju 77
- Demand 1 setting 78
- Demand 2 setting 78
- Demand operation 78
- Heating operation is prohibited above 24 c ambient temperature 78
- Heating operation prohibition 78
- In order to save the power consumption the capacity of outdoor unit is saved with control forcibly by using demand 1 setting or demand 2 setting to operate the unit with this mode additional setting of continuous demand setting or external input by external control adapter is required 78
- Other protection control functions have precedence over the above operation 78
- Drain pump control 79
- Outline of control indoor unit 79
- Thermostat sensor in remote controller 81
- Freeze prevention 83
- Outdoor unit pc board layout 8 3 field setting 9 84
- Part 5 test operation 84
- Test operation 4 84
- Check work prior to turn power supply on 85
- Follow the following procedure to conduct the initial test operation after installation 85
- Procedure and outline 85
- Test operation 85
- Turn power on 85
- 7777777 7777 7 86
- Check operation 86
- Conduct normal unit operation after the check operation has been completed when outdoor air temperature is 75 f 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 87
- Confirm that the indoor unit discharges cold air or warm air 87
- Confirmation on normal operation 87
- Malfunction code in case of an alarm code displayed on remote controller 87
- Operate indoor unit one by one to check that the corresponding outdoor unit operates 87
- Operate the air direction control button and flow rate control button to check the function of the devices 87
- 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 88
- Operation when power is turned on 88
- 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 88
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 88
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 88
- When turning on power first time 88
- When turning on power the second time and subsequent 88
- 1 microcomputer normal monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs 89
- 2 set mode display led leds display mode according to the setting 89
- 3 mode setting switch used to change mode 89
- 4 local setting switch used to make local settings 89
- Outdoor unit pc board 89
- Outdoor unit pc board layout 89
- Field setting 90
- Field setting from remote controller 90
- Wireless remote controller indoor unit 91
- Brc2a71 92
- Group no setting by simplified remote controller 92
- Simplified remote controller 92
- Field setting sius39 602 93
- Note 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 this setting is only applicable to fxfq and fxhq type 7 if the setting mode to equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 93
- Setting contents and code no vrv unit 93
- Test operation 93
- Applicable range of field setting 94
- Contamination light 200 hrs 2 500 hrs 10 000 hrs contamination heavy 100 hrs 1 250 hrs 5 000 hrs 94
- Detailed explanation of setting modes 94
- Filter sign setting 94
- Filter specs setting standard long life ultra long life filter 94
- If switching the filter sign on time set as given in the table below set time 94
- Mode no setting switch no setting position no setting 10 20 1 01 long life filter 94
- Setting table 94
- Sius39 602 field setting 94
- Static pressure selection 94
- Test operation 83 94
- Ultra long life filter 1 03 94
- Ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 94
- Auto restart after power failure reset 95
- 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 95
- External on off input this input is used for on off operation and protection device input from the outside the input is performed from the t1 t1 terminal of the operation terminal block x1a in the electric component box 95
- Fan speed changeover when thermostat is off by setting to set fan speed you can switch the fan speed to the set fan speed when the heating thermostat is off 95
- For the above reasons when the unit is set enabling to utilize auto restart function after power failure reset utmost care should be paid for the occurrence of the following situation 95
- For the air conditioners with no setting for the function same as factory setting the units will be left in the stop condition when the power supply is reset automatically after power failure reset or the main power supply is turned on again after once turned off however for the air conditioners with the setting the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition as that of before power failure 95
- 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 95
- Setting table 95
- Since there is concern about draft if using fan speed up when thermostat is off you should take the setup location into consideration 95
- Air flow adjustment ceiling height make the following setting according to the ceiling height the setting position no is set to 01 at the factory 96
- Air flow direction setting 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 96
- Air flow rate switching at discharge grille for field air flow rate switching 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 96
- In the case of fxaq07 24 fxhq12 36 96
- In the case of fxfq12 36 96
- Setting of air flow direction adjustment range make the following air flow direction setting according to the respective purpose 96
- Setting table 96
- Centralized control group no setting 97
- 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 99
- Field setting sius39 602 99
- Group no setting example 99
- Test operation 99
- Contents of control modes 100
- Setting of operation control mode from remote controller local setting 100
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 101
- Factory setting 101
- How to select operation mode whether operation by remote controller will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below 101
- Caution 102
- Dip switch detail 102
- Dip switch setting after changing the main p c board a1p to spare parts p c b when you change the main p c board a1p to spare parts p c b please carry out the following setting 102
- Field setting from outdoor unit 102
- Setting by dip switches the following field settings are made by dip switches on pc board 102
- Field setting sius39 602 103
- Mode changing procedure 103
- Monitor mode h1p blinks used to check the program made in setting mode 2 103
- Setting by pushbutton switches the following settings are made by pushbutton switches on pc board 103
- Setting mode 1 h1p off initial status when normal indicates during abnormal low noise control and demand control 103
- Setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system 103
- Test operation 103
- There are the following three setting modes 103
- A setting mode 1 104
- B setting mode 2 105
- 7 7 7 7 7 108
- 7 7 7 7 8 108
- 7 7 7 7 9 108
- 7 7 7 8 7 108
- 7 7 7 8 8 108
- 7 7 7 9 7 108
- 7 7 8 7 7 108
- 7 7 8 7 8 108
- 7 7 8 8 7 108
- 7 7 8 8 8 108
- 7 7 9 7 7 108
- 7 8 7 7 7 108
- 7 8 7 7 8 108
- 7 8 7 8 7 108
- 7 8 7 8 8 108
- 7 8 8 7 7 108
- 7 8 8 7 8 108
- 7 8 8 8 7 108
- 7 8 8 8 8 108
- 8 7 7 7 7 108
- 8 7 8 7 7 108
- 8 7 8 7 8 108
- 8 7 8 8 7 108
- 9 7 7 7 7 108
- C monitor mode 108
- Defrost select setting short 108
- Emg operation backup operation setting on 108
- Medium 108
- Number of units for sequential start 1 unit 108
- Setting item 0 display contents of number of units for sequential start and others 108
- Sius39 602 field setting 108
- Tc setting h 108
- Te setting h 108
- Test operation 97 108
- Cool heat mode switching 110
- Example of connecting transmission wiring connect the transmission wirings as shown in the fig 1 110
- Example of transmission line connection 110
- Set cool heat separately for each bs unit by cool heat selector 110
- Set remote controller change over switch ss1 ss2 as following 110
- When using cool heat selector connect to the terminal a b and c on the ec of the electric parts box 110
- When using cool heat selector turn this switch to the bs side 110
- Setting of low noise operation and demand operation 111
- Image of operation in the case of a 112
- Image of operation in the case of a and b 112
- Image of operation in the case of b 112
- Image of operation in the case of a 114
- Image of operation in the case of a and b 114
- Image of operation in the case of b 114
- Sius39 602 field setting 114
- Test operation 103 114
- Additional refrigerant charge total flow 117
- Field setting sius39 602 117
- Open discharge liquid suction oil equalizing 117
- Setting of refrigerant additional charging operation 117
- Test operation 117
- 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 117
- Setting of refrigerant recovery mode 118
- Check operation 119
- Check operation function 119
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves 119
- Operating procedure 119
- Press mode button bs1 once and reset setting mode 2 119
- Setting of vacuuming mode 119
- 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 119
- Use the vacuum pump to perform vacuuming operation 119
- 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 under centralized control thus prohibiting operation after setting do not cancel setting mode 2 until completion of vacuuming operation 119
- Power transistor check operation 120
- Part 6 troubleshooting 122
- Troubleshooting by indication on the remote controller 27 122
- Troubleshooting by remote controller 14 122
- Troubleshooting op central remote controller 94 123
- Troubleshooting op schedule timer 99 124
- Troubleshooting op unified on off controller 06 124
- Inspection mode 125
- Local setting mode service mode 125
- Normal mode 125
- Test operation mode 125
- The following modes can be selected by using the inspection test operation button on the remote control 125
- The inspection test button 125
- Troubleshooting by remote controller 125
- Self diagnosis by wired remote controller 126
- Self diagnosis by wireless remote controller 127
- The lower digit of the code changes as shown below when the up and down buttons are pressed 128
- Operation of the remote controller s inspection test operation button 130
- Sius39 602 troubleshooting by remote controller 130
- Troubleshooting 119 130
- Remote controller service mode 131
- Remote controller self diagnosis function 133
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 135
- Detail description on next page 136
- Malfunction code indication by outdoor unit pcb 136
- Push the mode button bs1 and returns to setting mode 1 136
- Push the return button bs3 and switches to the initial status of monitor mode 136
- Push the return button bs3 once to display first digit of malfunction code 136
- Push the set button bs2 and set the led display to a setting item 136
- Push the set button bs2 once to display master or slave1 or slave2 and malfunction location 136
- Push the set button bs2 once to display second digit of malfunction code 136
- Sius39 602 troubleshooting by remote controller 136
- To enter the monitor mode push the mode button bs1 when in setting mode 1 136
- Troubleshooting 125 136
- Troubleshooting 137
- Troubleshooting by remote controller sius39 602 137
- Actuation of external protection device 138
- Applicable models all indoor unit models 138
- Defect of indoor unit pc board 138
- Detect open or short circuit between external input terminals in indoor unit 138
- Improper field set 138
- Indoor unit error of external protection device 138
- Malfunction decision conditions 138
- Method of malfunction detection 138
- Remote controller display 138
- Supposed causes 138
- Troubleshooting 138
- Troubleshooting by indication on the remote controller 138
- When an open circuit occurs between external input terminals with the remote controller set to external on off terminal 138
- Indoor unit pc board defect 139
- Indoor unit malfunction of drain level control system s1l 140
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 141
- Troubleshooting 141
- Troubleshooting by indication on the remote controller sius39 602 141
- Applicable models all indoor unit models 142
- Detection by failure of signal for detecting number of turns to come from the fan motor 142
- Disconnected or faulty wiring between fan motor and pc board 142
- Fan motor lock 142
- Indoor unit fan motor m1f lock overload 142
- Malfunction decision conditions 142
- Method of malfunction detection 142
- Remote controller display 142
- Supposed causes 142
- Troubleshooting 142
- When number of turns can t be detected even when output voltage to the fan is maximum 142
- Indoor unit malfunction of swing flap motor ma 143
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 144
- Sius39 602 troubleshooting by indication on the remote controller 144
- Troubleshooting 144
- Troubleshooting 133 144
- Applicable models all indoor unit models 145
- Defect of connecting cable 145
- Defect of indoor unit pc board 145
- Indoor unit malfunction of moving part of electronic expansion valve 20e 145
- Malfunction decision conditions 145
- Malfunction of moving part of electronic expansion valve 145
- Method of malfunction detection 145
- Remote controller display 145
- Supposed causes 145
- Troubleshooting 145
- Use a microcomputer to check the electronic expansion valve for coil conditions 145
- When the pin input of the electronic expansion valve is not normal while in the initialization of the microcomputer 145
- 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 146
- Continuity approx 15 146
- Continuity approx 30 146
- No continuity 146
- Normal 146
- Indoor unit drain level above limit 147
- Indoor unit malfunction of capacity determination device 148
- Applicable models all indoor unit models 149
- Defect of indoor unit pc board 149
- Defect of thermistor r2t for liquid pipe 149
- Indoor unit malfunction of thermistor r2t for heat exchanger 149
- Malfunction decision conditions 149
- Malfunction detection is carried out by temperature detected by heat exchanger thermistor 149
- Method of malfunction detection 149
- Refer to thermistor resistance temperature characteristics table on p 39 149
- Remote controller display 149
- Supposed causes 149
- Troubleshooting 149
- When the heat exchanger thermistor becomes disconnected or shorted while the unit is running 149
- Applicable models all indoor unit models 150
- Defect of indoor unit pc board 150
- Defect of indoor unit thermistor r31t r32t for gas pipe 150
- Indoor unit malfunction of thermistor r31t r32t for gas pipes 150
- Malfunction decision conditions 150
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 150
- Method of malfunction detection 150
- Refer to thermistor resistance temperature characteristics table on p 40 150
- Remote controller display 150
- Supposed causes 150
- Troubleshooting 150
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 150
- Applicable models aii indoor unit models 151
- Defect of indoor unit pc board 151
- Defect of indoor unit thermistor r1t for air inlet 151
- Indoor unit malfunction of thermistor r1t for suction air 151
- Malfunction decision conditions 151
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 151
- Method of malfunction detection 151
- Refer to thermistor resistance temperature characteristics table on p 39 151
- Remote controller display 151
- Supposed causes 151
- Troubleshooting 151
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 151
- Indoor unit malfunction of thermostat sensor in remote controller 152
- Outdoor unit pc board defect 153
- Outdoor unit actuation of high pressure switch 154
- Abnormal drop of low pressure lower than 21psi 155
- Abnormality is detected by the pressure value with the low pressure sensor 155
- Applicable models reyq72m 96m 155
- Defect of low pressure sensor 155
- Defect of outdoor unit pc board 155
- Error is generated when the low pressure is dropped under specific pressure 155
- Malfunction decision conditions 155
- Method of malfunction detection 155
- Outdoor unit actuation of low pressure sensor 155
- Refer to pressure sensor pressure voltage characteristics table on p 41 155
- Remote controller display 155
- Stop valve is not opened 155
- Supposed causes 155
- Troubleshooting 155
- Voltage measurement point 155
- Applicable models reyq72m 96m 156
- Compressor lock 156
- Compressor motor lock inv compressor 156
- Faulty inverter pc board 156
- High differential pressure 72psi or more 156
- Incorrect uvwn wiring 156
- Inverter pc board takes the position signal from uvwn line connected between the inverter and compressor and detects the position signal pattern 156
- Malfunction decision conditions 156
- Method of malfunction detection 156
- Remote controller display 156
- Stop valve is left in closed 156
- Supposed causes 156
- 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 156
- Troubleshooting 156
- Applicable models reyq72m 96m 157
- Closed stop value 157
- Compressor motor overcurrent lock std compressor 157
- Detects the overcurrent with current sensor ct 157
- Faulty compressor 157
- Faulty current sensor 157
- Faulty magnetic switch 157
- Improper power voltage 157
- Malfunction decision conditions 157
- Malfunction is decided when the detected current value exceeds the below mentioned value for 2 seconds 157
- Method of malfunction detection 157
- Note abnormal case 157
- Obstacles at the discharge port 157
- Remote controller display 157
- Supposed causes 157
- The current sensor value is 0 during std compressor operation 157
- The current sensor value is more than 15 a during std compressor operation 157
- Troubleshooting 157
- V unit 34 a 157
- Applicable models reyq72m 96m 158
- Clearing condition operate for 5 minutes normal 158
- Fan does not run due to foreign matters tangled 158
- Malfunction decision conditions 158
- Malfunction of fan motor 158
- Malfunction of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 158
- Malfunction of outdoor unit fan motor 158
- Method of malfunction detection 158
- Remote controller display 158
- Supposed causes 158
- The harness connector between fan motor and pc board is left in disconnected or faulty connector 158
- Troubleshooting 158
- When connector detecting fan speed is disconnected 158
- When malfunction is generated 4 times the system shuts down 158
- When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor running conditions are met 158
- Refer check 8 9 and 12 to p 1 159
- Troubleshooting 159
- Troubleshooting by indication on the remote controller sius39 602 159
- Applicable models reyq72m 96m 160
- Check disconnection of connector check continuity of expansion valve coil 160
- Defect of connecting cable 160
- Defect of moving part of electronic expansion valve 160
- Defect of outdoor unit pc board a1p 160
- Error is generated under no common power supply when the power is on 160
- Malfunction decision conditions 160
- Method of malfunction detection 160
- Outdoor unit malfunction of moving part of electronic expansion valve y1e y2e y3e 160
- Remote controller display 160
- Supposed causes 160
- Troubleshooting 160
- 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 161
- Continuity approx 15 161
- Continuity approx 30 161
- No continuity 161
- Normal 161
- Outdoor unit abnormal discharge pipe temperature 162
- Refrigerant overcharged 163
- Abnormal fan motor signal circuit malfunction 164
- Abnormal outdoor fan motor signal 164
- Applicable models reyq72m 96m 164
- Broken short or disconnection connector of fan motor connection cable 164
- Detection of abnormal signal from fan motor 164
- Disconnect connector x2a and measure the following resistance 164
- Fan inverter pc board malfunction 164
- In case of detection of abnormal signal at starting fan motor 164
- Malfunction decision conditions 164
- Method of malfunction detection 164
- Remote controller display 164
- Supposed causes 164
- Troubleshooting 164
- Applicable models reyq72m 96m 165
- Defect of outdoor unit pc board a1p 165
- Defect of thermistor r1t for outdoor air 165
- Malfunction decision conditions 165
- Method of malfunction detection 165
- Outdoor unit malfunction of thermistor for outdoor air r1t 165
- Refer to thermistor resistance temperature characteristics table on p 39 165
- Remote controller display 165
- Supposed causes 165
- The abnormal detection is based on current detected by current sensor 165
- The alarm indicator is displayed when the fan only is being used also 165
- Troubleshooting 165
- When the outside air temperature sensor has short circuit or open circuit 165
- Applicable models reyq72m 96m 166
- Current sensor malfunction 166
- Faulty current sensor 166
- Faulty outdoor unit pc board 166
- Malfunction decision conditions 166
- Malfunction is detected according to the current value detected by current sensor 166
- Method of malfunction detection 166
- Remote controller display 166
- Supposed causes 166
- Troubleshooting 166
- When the current value detected by current sensor becomes 5a or lower or 40a or more during standard compressor operation 166
- Applicable models reyq72m 96m 167
- Defect of outdoor unit pc board a1p 167
- Defect of thermistor r31t r32t for outdoor unit discharge pipe 167
- Malfunction decision conditions 167
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 167
- Method of malfunction detection 167
- Outdoor unit malfunction of discharge pipe thermistor r31 32t 167
- Remote controller display 167
- Supposed causes 167
- The alarm indicator is displayed when the fan is being used also 167
- Troubleshooting 167
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 167
- Applicable models reyq72m 96m 168
- Faulty heat exchanger gas pipe thermistor r81 82t 168
- Faulty outdoor unit pc board 168
- J4 malfunction of heat exchanger gas pipe thermistor r81 82t 168
- Malfunction decision conditions 168
- Malfunction is detected according to the temperature detected by heat exchanger gas pipe thermistor 168
- Method of malfunction detection 168
- Refer to thermistor resistance temperature characteristics table on p 39 168
- Remote controller display 168
- Sius39 602 troubleshooting by indication on the remote controller 168
- Supposed causes 168
- Troubleshooting 168
- Troubleshooting 157 168
- When the heat exchanger gas pipe thermistor is short circuited or open 168
- Applicable models reyq72m 96m 169
- Defect of outdoor unit pc board a1p 169
- Defect of thermistor r2t for outdoor unit suction pipe 169
- Malfunction decision conditions 169
- Malfunction is detected from the temperature detected by the suction pipe temperature thermistor 169
- Method of malfunction detection 169
- Outdoor unit malfunction of thermistor r2t for suction pipe 169
- Refer to thermistor resistance temperature characteristics table on p 39 169
- Remote controller display 169
- Supposed causes 169
- Troubleshooting 169
- When a short circuit or an open circuit in the suction pipe temperature thermistor is detected 169
- Applicable models reyq72m 96m 170
- Defect of outdoor unit pc board a1p 170
- Defect of thermistor r4t for outdoor unit coil 170
- Malfunction decision conditions 170
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 170
- Method of malfunction detection 170
- Outdoor unit malfunction of thermistor r4t for outdoor unit heat exchanger 170
- Refer to thermistor resistance temperature characteristics table on p 39 170
- Remote controller display 170
- Supposed causes 170
- Troubleshooting 170
- When a short circuit or an open circuit in the heat exchange thermistor is detected 170
- Applicable models reyq96m 171
- Faulty outdoor unit pc board 171
- Faulty receiver outlet liquid pipe thermistor r6t 171
- Malfunction decision conditions 171
- Malfunction is detected according to the temperature detected by receiver outlet liquid pipe thermistor 171
- Malfunction of receiver outlet liquid pipe thermistor r6t 171
- Method of malfunction detection 171
- Refer to thermistor resistance temperature characteristics table on p 39 171
- Remote controller display 171
- Supposed causes 171
- Troubleshooting 171
- When the receiver outlet liquid pipe thermistor is short circuited or open 171
- Applicable models reyq72m 96m 172
- Faulty oil equalizing pipe thermistor r7t 172
- Faulty outdoor unit pc board 172
- Malfunction decision conditions 172
- Malfunction is detected according to the temperature detected by oil equalizing pipe thermistor 172
- Malfunction of oil equalizing pipe thermistor r7t 172
- Method of malfunction detection 172
- Refer to thermistor resistance temperature characteristics table on p 39 172
- Remote controller display 172
- Supposed causes 172
- Troubleshooting 172
- When the oil equalizing pipe thermistor is short circuited or open 172
- Applicable models reyq72m 96m 173
- Faulty outdoor unit pc board 173
- Faulty sub cooling heat exchanger gas pipe thermistor r5t 173
- Malfunction decision conditions 173
- Malfunction is detected according to the temperature detected by sub cooling heat exchanger gas pipe thermistor 173
- Malfunction of sub cooling heat exchanger gas pipe thermistor r5t 173
- Method of malfunction detection 173
- Refer to thermistor resistance temperature characteristics table on p 39 173
- Remote controller display 173
- Supposed causes 173
- Troubleshooting 173
- When the sub cooling heat exchanger gas pipe thermistor is short circuited or open 173
- Applicable models reyq72m 96m 174
- Connection of low pressure sensor with wrong connection 174
- Defect of high pressure sensor system 174
- Defect of outdoor unit pc board 174
- Malfunction decision conditions 174
- Malfunction is detected from the pressure detected by the high pressure sensor 174
- Method of malfunction detection 174
- Outdoor unit malfunction of discharge pipe pressure sensor 174
- Refer to pressure sensor pressure voltage characteristics table on p 41 174
- Remote controller display 174
- Supposed causes 174
- Troubleshooting 174
- Voltage measurement point 174
- When the discharge pipe pressure sensor is short circuit or open circuit 174
- Applicable models reyq72m 96m 175
- Connection of high pressure sensor with wrong connection 175
- Defect of low pressure sensor system 175
- Defect of outdoor unit pc board 175
- Malfunction decision conditions 175
- Malfunction is detected from pressure detected by low pressure sensor 175
- Method of malfunction detection 175
- Outdoor unit malfunction of suction pipe pressure sensor 175
- Refer to pressure sensor pressure voltage characteristics table on p 41 175
- Remote controller display 175
- Supposed causes 175
- Troubleshooting 175
- Voltage measurement point 175
- When the suction pipe pressure sensor is short circuit or open circuit 175
- Actuation of fin thermal actuates above 192 f 176
- Applicable models reyq72m 96m 176
- Defect of fin thermistor 176
- Defect of inverter pc board 176
- Fin temperature is detected by the thermistor of the radiation fin 176
- Malfunction decision conditions 176
- Method of malfunction detection 176
- Outdoor unit malfunction of inverter radiating fin temperature rise 176
- Refer to thermistor resistance temperature characteristics table on p 39 176
- Remote controller display 176
- Supposed causes 176
- Troubleshooting 176
- When the temperature of the inverter radiation fin increases above 192 f 176
- Applicable models reyq72m 96m 177
- Compressor start up malfunction mechanical lock 177
- Defect of compressor coil disconnected defective insulation 177
- Defect of inverter pc board 177
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 177
- Malfunction decision conditions 177
- Malfunction is detected from current flowing in the power transistor 177
- Method of malfunction detection 177
- Outdoor unit inverter compressor abnormal 177
- Refer check 13 to p 13 177
- Remote controller display 177
- Supposed causes 177
- Troubleshooting compressor inspection 177
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 177
- Applicable models reyq72m 96m 178
- Compressor coil disconnected 178
- Compressor overload 178
- Defect of inverter pc board 178
- Malfunction decision conditions 178
- Malfunction is detected by current flowing in the power transistor 178
- Method of malfunction detection 178
- Outdoor unit inverter current abnormal 178
- Refer check 13 to p 13 178
- Remote controller display 178
- Supposed causes 178
- Troubleshooting output current check 178
- When overload in the compressor is detected 178
- Applicable models reyq72m 96m 179
- Defect of compressor 179
- Defect of inverter pc board 179
- Malfunction decision conditions 179
- Malfunction is detected from current flowing in the power transistor 179
- Method of malfunction detection 179
- Outdoor unit inverter start up error 179
- Pressure differential start 179
- Refer check 13 to p 13 179
- Remote controller display 179
- Supposed causes 179
- Troubleshooting 179
- When overload in the compressor is detected during startup 179
- Outdoor unit malfunction of transmission between inverter and control pc board 180
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 181
- Troubleshooting 181
- Troubleshooting by indication on the remote controller sius39 602 181
- Applicable models reyq72m 96m 182
- Defect of inverter pc board 182
- Defect of k1m 182
- Defect of main circuit capacitor 182
- Imbalance in supply voltage is detected in pc board 182
- Improper main circuit wiring 182
- Malfunction decision conditions 182
- Malfunction is not decided while the unit operation is continued p1 will be displayed by pressing the inspection button 182
- Method of malfunction detection 182
- Open phase 182
- Outdoor unit inverter over ripple protection 182
- Remote controller display 182
- Supposed causes 182
- Troubleshooting 182
- Voltage imbalance between phases 182
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status 182
- Outdoor unit malfunction of inverter radiating fin temperature rise sensor 183
- Outdoor unit faulty field setting after replacing main pc board or faulty combination of pc board 184
- Applicable models reyq72m 96m 185
- Defect of outdoor unit pc board a1p 185
- Defect of pressure sensor 185
- Defect of thermistor r2t or r4t 185
- Low pressure drop due to refrigerant shortage or electronic expansion valve failure 185
- Malfunction decision conditions 185
- Malfunction is not decided while the unit operation is continued 185
- Method of malfunction detection 185
- Microcomputer judge and detect if the system is short of refrigerant 185
- Out of gas or refrigerant system clogging incorrect piping 185
- Outdoor unit 185
- Refer to pressure sensor pressure voltage characteristics table on p 41 185
- Refer to thermistor resistance temperature characteristics table on p 39 185
- Remote controller display 185
- Short of gas malfunction is detected by discharge pipe temperature thermistor 185
- Supposed causes 185
- Troubleshooting 185
- Applicable models reyq72m 96m 186
- Defect of outdoor pc board a1p 186
- 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 186
- Malfunction decision conditions 186
- Method of malfunction detection 186
- Outdoor unit reverse phase open phase 186
- Power supply open phase 186
- Power supply reverse phase 186
- Remote controller display 186
- Supposed causes 186
- Troubleshooting 186
- When a significant phase difference is made between phases 186
- Outdoor unit power supply insufficient or instantaneous failure 187
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 188
- Sius39 602 troubleshooting by indication on the remote controller 188
- Troubleshooting 188
- Troubleshooting 177 188
- Check operation not executed 189
- Outdoor unit 189
- Malfunction of transmission between indoor units 190
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 191
- Troubleshooting 191
- Troubleshooting by indication on the remote controller sius39 602 191
- Applicable models all models of indoor units 192
- Connection of two main remote controllers when using 2 remote controllers 192
- Defect of indoor unit pc board 192
- Defect of remote controller pc board 192
- 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 192
- Indoor unit 192
- Malfunction decision conditions 192
- Malfunction of indoor unit remote controller transmission 192
- Malfunction of transmission between remote controller and indoor unit 192
- Malfunction of transmission caused by noise 192
- Method of malfunction detection 192
- Normal transmission does not continue for specified period 192
- Remote controller display 192
- Supposed causes 192
- Troubleshooting 192
- Indoor unit 193
- Malfunction of transmission between outdoor units 193
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 194
- Sius39 602 troubleshooting by indication on the remote controller 194
- Troubleshooting 194
- Troubleshooting 183 194
- Applicable models all models of indoor units 195
- Connection between sub remote controllers 195
- Defect of remote controller pc board 195
- 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 195
- Indoor unit 195
- Malfunction decision conditions 195
- Malfunction of transmission between main and sub remote controller 195
- Malfunction of transmission between main and sub remote controllers 195
- Method of malfunction detection 195
- Normal transmission does not continue for specified period 195
- Remote controller display 195
- Supposed causes 195
- Troubleshooting 195
- Indoor units 196
- Malfunction of transmission between indoor units and outdoor units in the same system 196
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 197
- Troubleshooting 197
- Troubleshooting by indication on the remote controller sius39 602 197
- A difference occurs in data by the type of refrigerant between indoor and outdoor units the number of indoor units is outside of the allowable range 198
- Applicable models all indoor unit models reyq72m 96m remote controller 198
- Defect of outdoor unit pc board a1p 198
- Excess of connected indoor units 198
- Improper combination of indoor units and outdoor units indoor units and remote controller 198
- Malfunction decision conditions 198
- Method of malfunction detection 198
- Mismatching of the refrigerant type of indoor and outdoor unit 198
- Remote controller display 198
- Setting of outdoor pc board was not conducted after replacing to spare parts pc board 198
- Supposed causes 198
- The malfunction decision is made as soon as either of the abnormalities aforementioned is detected 198
- The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit 198
- Troubleshooting 198
- Address duplication of centralized remote controller 199
- Malfunction of transmission between centralized controller and indoor unit 200
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 201
- Troubleshooting 201
- Troubleshooting by indication on the remote controller sius39 602 201
- Applicable models all indoor units models reyq72m 96m 202
- Defect of indoor unit pc board 202
- Failure to execute check operation 202
- Improper connection of transmission wiring between indoor outdoor unit and outdoor unit external control adaptor for outdoor unit 202
- Malfunction decision conditions 202
- Method of malfunction detection 202
- Note wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour 202
- Remote controller display 202
- Stop valve is left in closed 202
- Supposed causes 202
- System is not set yet 202
- The malfunction is determined as soon as the abnormality aforementioned is detected through checking the system for any erroneous connection of units on the check operation 202
- The number of indoor units in terms of data transmission becomes mismatched to that of indoor units with changes in temperature on operation for checks 202
- Troubleshooting 202
- Malfunction of system refrigerant system address undefined 203
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 204
- Sius39 602 troubleshooting by indication on the remote controller 204
- Troubleshooting 204
- Troubleshooting 193 204
- Pc board defect 205
- Troubleshooting op central remote controller 205
- Applicable models central remote controller 206
- Defect of pc board of optional controllers for centralized control 206
- Detect the malfunction according to diii net transmission data the system will be automatically reset 206
- Malfunction decision conditions 206
- Malfunction of transmission between optional controllers for centralized control 206
- Method of malfunction detection 206
- Remote controller display 206
- Supposed causes 206
- Troubleshooting 206
- When no master controller is present at the time of the startup of slave controller when optional controllers for the centralized control which was connected once shows no response 206
- Improper combination of optional controllers for centralized control 207
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 208
- Sius39 602 troubleshooting op central remote controller 208
- Troubleshooting 208
- Troubleshooting 197 208
- Address duplication improper setting 209
- Malfunction of transmission between centralized controller and indoor unit 210
- Troubleshooting op schedule timer 210
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 211
- Troubleshooting 211
- Troubleshooting op schedule timer sius39 602 211
- Pc board defect 212
- Applicable models schedule timer 213
- Defect of pc board of optional controllers for centralized control 213
- Detect the malfunction according to diii net transmission data the system will be automatically reset 213
- Malfunction decision conditions 213
- Malfunction of transmission between optional controllers for centralized control 213
- Method of malfunction detection 213
- Remote controller display 213
- Supposed causes 213
- Troubleshooting 213
- When no master controller at the time of the startup of slave controller when the optional controllers for centralized control which was connected once shows no response 213
- Improper combination of optional controllers for centralized control 214
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 215
- Troubleshooting 215
- Troubleshooting op schedule timer sius39 602 215
- Address duplication improper setting 216
- Operation lamp blinks 217
- Troubleshooting op unified on off controller 217
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 218
- Sius39 602 troubleshooting op unified on off controller 218
- Troubleshooting 218
- Troubleshooting 207 218
- Display under centralized control blinks repeats single blink 219
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 220
- Sius39 602 troubleshooting op unified on off controller 220
- Troubleshooting 220
- Troubleshooting 209 220
- Troubleshooting 221
- Troubleshooting op unified on off controller sius39 602 221
- Applicable models unified on off controller 222
- Central control address group no is not set for indoor unit 222
- Detect the malfunction according to diii net transmission data 222
- Display under centralized control blinks repeats double blink 222
- Improper control range setting switch 222
- Improper wiring of transmission wiring 222
- Malfunction decision conditions 222
- Method of malfunction detection 222
- Remote controller display 222
- Sius39 602 troubleshooting op unified on off controller 222
- Supposed causes 222
- Troubleshooting 222
- Troubleshooting 211 222
- Under centralized control repeats double blink 222
- When no central control addresses are set to indoor units when no indoor units are connected within the control range 222
- Check no 8 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 223
- Check no 9 check on connector of fan motor signal wire 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 223
- Troubleshooting 223
- Troubleshooting op unified on off controller sius39 602 223
- Replacement procedure 227
- Replacement procedure for inv compressor vrv reyq72m 96m 227
- Example of connection r 410a type 36 228
- List of electrical and functional parts 30 228
- Option list 34 228
- Part 8 appendix 228
- Piping diagrams 18 228
- Thermistor resistance temperature characteristics 39 7 pressure sensor 41 8 method of replacing the inverter s power transistors and diode modules 42 228
- Wiring diagrams for reference 22 228
- Outdoor unit 229
- Piping diagrams 229
- Reyq72m 96mtju 229
- Electronic expansion valve filter filter 230
- Fxfq 12m 18m 24m 30m 36mvju fxsq 12m 18m 24m 30m 36m 48mvju fxmq 30m 36m 48mvju fxhq 12m 24m 36mvju fxaq 07m 09m 12m 18m 24mvju fxlq 12m 18m 24mvju fxnq 12m 18m 24mvju 230
- Heat exchanger gas piping connection port 230
- Indoor unit 230
- Liquid piping connection port 230
- R1t thermistor for suction air temperature r2t thermistor for liquid line temperature r3t thermistor for gas line temperature 230
- Refrigerant pipe connection port diameters 231
- Bs unit 232
- Bsvq36mvju bsvq60mvju 232
- Outdoor unit 233
- Reyq72 96mtju 233
- Wiring diagrams for reference 233
- Field wiring 234
- Reyq72 96mtju 234
- Reyq144 168 192mtju 235
- Fxdq07m 09m 12m 18m 24mvju 236
- Fxfq12m 18m 24m 30m 36mvju 236
- Indoor unit 236
- Fxmq30m 36m 48mvju 237
- Fxsq12m 18m 24m 30m 36m 48mvju 237
- Fxaq07m 09m 12m 18m 24mvju 238
- Fxhq12m 24m 36m 238
- Fxlq12m 18m 24mvju fxnq12m 18m 24mvju 239
- Bs unit 240
- Bsvq36m 60mvju 240
- Appendix 241
- List of electrical and functional parts 241
- List of electrical and functional parts sius39 602 241
- Outdoor unit 241
- Reyq72m 96mtju 241
- Appendix 231 242
- Indoor side 242
- Indoor unit 242
- Sius39 602 list of electrical and functional parts 242
- Appendix 243
- List of electrical and functional parts sius39 602 243
- Appendix 233 244
- Sius39 602 list of electrical and functional parts 244
- Appendix 245
- Building management system 245
- Option list 245
- Option list of controllers 245
- Option list sius39 602 245
- Optional accessories of operation control system 245
- Appendix 235 246
- Option lists outdoor unit 246
- Sius39 602 option list 246
- Example of connection r 410a type 247
- Heat recovery system 247
- Appendix 237 248
- Branch with refnet joint branch with refnet joint and refnet header branch with refnet header 248
- Example of connection 248
- How to calculate the additional refrigerant to be charged 248
- Pipe size selection 248
- Refrigerant branch kit selection 248
- Sius39 602 example of connection r 410a type 248
- Appendix 239 250
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 250
- Outdoor unit fin thermistor r1t 250
- Outdoor unit for outdoor air r1t for coil r2t for suction pipe r4t for receiver gas pipe r5t 250
- Sius39 602 thermistor resistance temperature characteristics 250
- Thermistor resistance temperature characteristics 250
- Appendix 251
- Outdoor unit thermistors for discharge pipe r31t 32t 251
- Thermistor resistance temperature characteristics sius39 602 251
- Appendix 241 252
- Pressure sensor 252
- Sius39 602 pressure sensor 252
- Before checking disconnect the electric wiring connected to the power transistor and diode module 253
- Decision according to continuity check by analog tester 253
- Electronic circuit 253
- Inverter p c board 253
- Inverter pc board a1p 253
- Method of replacing the inverter s power transistors and diode modules 253
- Part 9 256
- Precautions for new refrigerant r 410a 256
- Precautions for new refrigerant r 410a 46 256
- About refrigerant r 410a 257
- Characteristics of new refrigerant r 410a 1 performance almost the same performance as r 22 and r 407c 2 pressure working pressure is approx 1 times more than r 22 and r 407c 3 refrigerant composition few problems in composition control since it is a quasi azeotropic mixture refrigerant 257
- Mpa 145 psi 257
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 257
- Outline 257
- Precautions for new refrigerant r 410a 257
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 257
- The design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 257
- Precautions for new refrigerant r 410a 247 258
- Sius39 602 precautions for new refrigerant r 410a 258
- Thermodynamic characteristic of r 410a 258
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 259
- Copper tube material and thickness 259
- O soft annealed h hard drawn 259
- R 410a is used under higher working pressure compared to previous refrigerants r 22 r 407c furthermore the refrigerating machine oil has been changed from suniso oil to ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems therefore gauge manifolds and charge hoses that are used with a previous refrigerant r 22 r 407c can not be used for products that use new refrigerants be sure to use dedicated tools and devices 259
- Service tools 259
- Tool compatibility 259
- Conventional flaring tools can be used when the work process is changed change of work process previously a pipe extension margin of 0 to 0 mm was provided for flaring for r 410a air conditioners perform pipe flaring with a pipe extension margin of 1 to 1 mm for clutch type only conventional tool with pipe extension margin adjustment can be used 260
- Differences 2 change of dimension a 260
- Flaring tool 260
- Specifications 2 dimension a 260
- Unit mm 260
- Regarding purchasing of service tools please contact following address daikin u s corporation dallas office 1645 wallace dr ste 110 carrollton tx 75006 tel 1 972 245 1510 fax 1 972 245 1038 264
- Symbols 266
- Drawings flow charts 270
- Symbols 270
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