Mitsubishi Electric PUD-SHWM100VAA Service Manual Download Page 42

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OCH756

Outdoor noise filter circuit board

PUD-SHWM140VAAR1

LI, NI

POWER SUPPLY

Voltage of 230 VAC is input

(Connect to the terminal block (TB1))

CNAC1, CNAC2

230 VAC

(Connect to the

outdoor controller

circuit board

)

EI, E3, E4

(Connect to the earth)

TB1, TB2

POWER SUPPLY

Voltage of 230 VAC is

output

(Connect to the outdoor

power circuit board

(TB3, TB4)

Summary of Contents for PUD-SHWM100VAA

Page 1: ... service data of the outdoor units only AIR TO WATER HEAT PUMP UNITS OUTDOOR UNIT Model Name PUD SWM60VAA PUD SWM80VAA PUD SWM100VAA PUD SWM120VAA PUD SWM80YAA PUD SWM100YAA PUD SWM120YAA PUD SHWM60VAA PUD SHWM80VAA PUD SHWM100VAA PUD SHWM120VAA PUD SHWM140VAA PUD SHWM80YAA PUD SHWM100YAA PUD SHWM120YAA PUD SHWM140YAA Service Ref PUD SWM60VAAR1 PUD SWM80VAAR1 PUD SWM100VAAR1 PUD SWM120VAAR1 PUD SW...

Page 2: ...MED ERST30D VM2ED EHST17D VM2D UK ERST17D VM2D UK EHST20D VM2D UK EHST20D VM6D UK EHST20D YM9D UK EHST20D MED UK ERST20D VM2D UK EHST20D YM9ED UK EHST20D TM9D UK EHST30D VM6ED UK EHST30D YM9ED UK EHST30D TM9ED UK EHST30D MED UK ERST30D VM2ED UK OCH714 OCB714 EHSD VM2D EHSD VM6D EHSD YM9D EHSD YM9ED EHSD TM9D EHSD MED ERSD VM2D ERSD MED EHSD VM2D UK EHSD VM6D UK EHSD YM9D UK EHSD YM9ED UK EHSD TM9D...

Page 3: ...to refrigerant cycle and that can cause deterioration of refrigerant oil etc Use new refrigerant pipes In the case of using the existing pipes for R22 be careful with the following Be sure to clean the pipes and make sure that the insides of the pipes are clean Change flare nut to the one provided with this product Use a newly flared pipe Avoid using thin pipes Handle tools with care If dirt dust ...

Page 4: ...refrigerant leaks and accumulates it may ignite or poisonous gases may be released 11 Do not install the unit in places where refrigerant may build up or places with poor ventilation such as a semi base ment or a sunken place in outdoor Refrigerant is heavier than air and inclined to fall away from the leak source 12 Do not use means to accelerate the defrosting process or to clean other than thos...

Page 5: ...he Refrigeration Equipment Where electrical components are being changed they shall be fit for the purpose and to the correct specification At all times the manufacturer s maintenance and service guidelines shall be followed If in doubt consult the manufacturer s technical department for assistance The following checks shall be applied to installations using flammable refrigerants The charge size ...

Page 6: ... procedures shall be used However for flammable refrigerants it is important that best practice is followed since flammability is a considera tion The following procedure shall be adhered to remove refrigerant purge the circuit with inert gas evacuate purge again with inert gas open the circuit by cutting or brazing The refrigerant charge shall be recovered into the correct recovery cylinders For ...

Page 7: ...on the equipment stat ing the equipment contains flammable refrigerant 11 Recovery When removing refrigerant from a system either for servicing or decommissioning it is recommended good practice that all refrigerants are removed safely When transferring refrigerant into cylinders ensure that only appropriate refrig erant recovery cylinders are employed Ensure that the correct number of cylinders f...

Page 8: ...re of R32 is 1 6 times higher than that of R22 their sizes of flared sections and flare nuts are different 1 Thickness of pipes Because the working pressure of R32 is higher compared to R22 be sure to use refrigerant piping with thickness shown below Never use pipes of 0 7 mm or below Diagram below Piping diameter and thickness Nominal dimensions in Outside diameter mm Thickness mm R32 R410A R22 1...

Page 9: ...charger Prevent compressor malfunction when charging refrigerant by spraying liquid refrigerant Tool exclusive for R32 Charge valve Prevent gas from blowing out when detaching charge hose Tool exclusive for R32 Vacuum pump Vacuum drying and air purge Tools for other refrigerants can be used if equipped with adopter for reverse flow check Usable if equipped with adapter for reverse flow Usable if e...

Page 10: ...r less Height from the bottom of 0 125 m or less M kg Amin m 1 0 12 1 5 17 2 0 23 2 5 28 3 0 34 3 5 39 4 0 45 4 5 50 5 0 56 5 5 62 6 0 67 6 5 73 7 0 78 7 5 84 B Install in a space with a depression height of 0 125 m M Refrigerant amount factory charged refrigerant locally added refrigerant kg Amin Minimum installation area m2 C Create an appropriate ventilation open area Make sure that the width o...

Page 11: ...erter Protection devices HP switch Discharge thermo Overcurrent detection Comp surface thermo Crankcase heater W Heat exchanger Plate fin coil Fan Fan drive No Propeller fan x 1 Fan motor output kW 0 074 0 200 Airflow K min CFM 40 1 410 50 1 760 Defrost method Reverse cycle Sound power level Heating dB 55 56 59 60 Dimensions W mm inch 1050 41 3 8 D mm inch 480 18 7 8 H mm inch 1020 40 1 8 Weight k...

Page 12: ...rter type Inverter Protection devices HP switch Discharge thermo Overcurrent detection Comp surface thermo Crankcase heater W Heat exchanger Plate fin coil Fan Fan drive No Propeller fan x 1 Fan motor output kW 0 074 0 200 Airflow K min CFM 40 1 410 50 1 760 56 1 940 Defrost method Reverse cycle Sound power level Heating dB 55 56 59 60 62 Dimensions W mm inch 1050 41 3 8 D mm inch 480 18 7 8 H mm ...

Page 13: ...0 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µ bar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz MODE HEATING SPL dB 42 LINE Service Ref PUD SHWM80YAAR1 PUD SHWM100YAAR1 PUD SHWM120YAAR1 PUD SHWM140VAAR1 PUD SHWM140YAAR1 Compressor model DVK28FBBMT DVK36FBEMT DVK36FBBMT Winding Resistance Ω U V 0 94 0 32 0 94 U ...

Page 14: ...EVEL dB 0 dB 0 0002 µ bar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz MODE HEATING SPL dB 46 LINE PUD SHWM140VAAR1 PUD SHWM140YAAR1 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 90 80 70 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µ bar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINU...

Page 15: ...15 OCH756 5 OUTLINES AND DIMENSIONS Unit mm ...

Page 16: ...16 OCH756 6 WIRING DIAGRAM PUD SWM60VAAR1 PUD SWM80VAAR1 PUD SWM100VAAR1 PUD SWM120VAAR1 PUD SHWM60VAAR1 PUD SHWM80VAAR1 PUD SHWM100VAAR1 PUD SHWM120VAAR1 ...

Page 17: ...17 OCH756 PUD SHWM140VAAR1 ...

Page 18: ...18 OCH756 PUD SWM80YAAR1 PUD SWM100YAAR1 PUD SWM120YAAR1 PUD SHWM80YAAR1 PUD SHWM100YAAR1 PUD SHWM120YAAR1 PUD SHWM140YAAR1 ...

Page 19: ...wise it may result in smoke emission a fire or communication failure Outdoor unit model SWM60V SHWM60V SWM80V SHWM80V SWM100V SHWM100V SWM120V SHWM120V SHWM140V SWM80 120Y SHWM80 140Y Outdoor unit power supply N single 50 Hz 230 V N single 50 Hz 230 V N single 50 Hz 230 V N single 50 Hz 230 V N single 50 Hz 230 V 3N 3 ph 4 wires 50 Hz 400 V Outdoor unit input capacity Main switch Breaker 1 20 A 25...

Page 20: ...HECK V H Heating CHECK V L H P SW TH4 TH33 COMP Strainer1 100 LEV A Strainer2 100 TH8 TH3 P B TH7 Heat exchanger Stop valve 6 35 1 4 Strainer3 50 Strainer4 100 TH32 TH6 Stop valve 12 7 1 2 with service port HIC INJ port LEV C Refrigerant flow in defrosting Refrigerant flow in heating P sensor Distributor Muffler unit mm in PUD SWM60VAAR1 PUD SWM80VAAR1 PUD SWM80YAAR1 PUD SWM100VAAR1 PUD SWM100YAAR...

Page 21: ... operation cooling test run Push the pump down SWP switch push button type on the control board of the outdoor unit The compressor and ventilators indoor and outdoor units start operating refrigerant collecting operation begins LED1 and LED2 on the control board of the outdoor unit are lit Only push the pump down SWP switch if the unit is stopped However even if the unit is stopped and the pump do...

Page 22: ...F DIAGNOSIS ACTION TABLE Abnormalities detected when the power is turned on Note Refer to indoor unit section for code P code E and Code L Check code Abnormal point and detection method Cause Judgment and action None 1 No voltage is supplied to terminal block TB1 of outdoor unit a Power supply breaker is turned off b Contact failure or disconnection of power supply terminal c Open phase L or N pha...

Page 23: ... connecting each indoor unit and between indoor and outdoor unit Also check if the connection order of flat cable is S1 S2 S3 3 Check the number of indoor units that are connected to one outdoor unit If EA is detected 4 6 Turn the power off once and on again to check Replace outdoor controller circuit board indoor controller board or indoor power board if abnormality occurs again 7 Check if refrig...

Page 24: ...gh comp surface temperature error compressor does not restart unless the thermistor TH33 becomes less than 95 C TH33 Thermistor Comp surface 1 Overheated compressor operation caused by shortage of refrigerant 2 Defective operation of stop valve 3 Defective thermistor 4 Defective outdoor controller board 5 Defective action of linear expansion valve 6 Clogging with foreign objects in refrigerant cir...

Page 25: ...g 4 Check if there is something which causes temperature rise around outdoor unit Upper limit of ambient temperature is 46 C Turn off power and on again to check if U5 is displayed within 30 minutes If U4 is displayed instead of U5 follow the action to be taken for U4 5 Check resistance value of TH8 or temperature by microprocessor TH8 Refer to 9 4 HOW TO CHECK THE PARTS SW2 on A Control Service T...

Page 26: ...rrent is more than or equal to 6 A 1 L1 phase open SWM Y SHWM Y 2 Disconnection or loose connection between TB1 and outdoor noise filter circuit board SWM Y SHWM Y 3 Disconnection or loose connection of CN5 on the outdoor power circuit board CNCT on the outdoor noise filter board 4 Defective ACCT AC current trans on the outdoor noise filter circuit board SWM Y SHWM Y 5 Defective input current dete...

Page 27: ...3 Replace outdoor controller board UF 4100 Compressor overcurrent interruption When compressor locked Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating 1 Stop valve is closed 2 Decrease of power supply voltage 3 Looseness disconnection or con verse of compressor wiring connec tion 4 Defective compressor 5 Defective outdoor power board 6...

Page 28: ...g of remote controller Total wiring length Max 500 m Do not use cable with 3 or more cores The number of connecting indoor units Max 6 units The number of connecting remote controller Max 1 unit If the cause of trouble is not in above 1 2 3 Diagnose remote controller PAC IF011B E only a When OK is displayed remote controllers have no problem Turn the power off and on again to check If abnormality ...

Page 29: ...between the outdoor controller circuit board and the outdoor power circuit board 2 Breaking of wire or contact failure of connector CN4 between the outdoor controller circuit board and the outdoor power circuit board 3 Defective communication circuit of outdoor power circuit board 4 Defective communication circuit of outdoor controller circuit board for outdoor power circuit board 12 Check connect...

Page 30: ... Remote controller display works normally and the unit performs cooling operation however the capacity cannot be fully obtained 1 Refrigerant shortage 2 Filter clogging 1 If refrigerant leaks discharge temperature rises and LEV opening increases Inspect leakage by checking the temperature and opening Check pipe connections for gas leakage 2 Clean the filter of water piping 5 Remote controller disp...

Page 31: ...utdoor unit Water is dripping or vapour is emitted from the outdoor unit During cooling mode water may form and drip from the cool pipes and joints During heating mode water may form and drip from the heat exchanger of outdoor unit During defrosting mode water on the heat exchanger of outdoor unit evaporates and water vapour may be emitted The operation indicator does not appear in the remote cont...

Page 32: ...nosis after turning on the main power Normal The startup diagnosis will be over in around 2 minutes Miswiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoor controller board Defective outdoor controller circuit board Refer to Self diagnosis action table in order to solve the trouble In the case of communi cation errors the display of remote control...

Page 33: ...outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Check if miswiring breaking or poor contact is causing this problem Indoor outdoor connecting wire is polariz...

Page 34: ...r circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant add ress to 0 In the case of the multiple outdoor units control recheck the refrigerant address again Defective indoor power board Replace the indoor power board Defective outdoor power circuit board Replace the outdoor po...

Page 35: ...r poor contact of the remote controller wire Check the voltage of the remote controller wire If it is not between 10 and 16 VDC the indoor controller board must be defective The remote controller wire short circuits Check if the remote controller wire is short circuited Defective indoor controller board Replace the indoor controller board Diagnosis flow Cause Inspection method and troubleshooting ...

Page 36: ...esistance between the terminals with a multimeter At the ambient temperature 20 C Solenoid valve coil 4 way valve 21S4 Motor for compressor MC Linear expansion valve LEV A LEV C 1 Normal Abnormal Open or short Disconnect the connector then measure the resistance with a multimeter Winding temperature 20 C Normal Gray Black Gray Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Refer to the ne...

Page 37: ...ST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 VDC Replace the defective fan motor Replace the outdoor controller board Replace the defective fan motor Replace outdoor controller board C B and fan motor MF1 Replace outdoor controller board Replace the defective fan motor Is the voltage normal Is the resistance abnormal No No Fan motor check CNF1 Is there contact failure Did the fuse bl...

Page 38: ...B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465 k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 20 C 250 k 30 C 160 k 40 C 104 k 50 C 70 k 60 C 48 k 70 C 34 k 80 C 24 k 90 C 17 5 k 100 C 13 0 k 110 C 9 8 k High temperature thermistors Thermistor Discharge TH4 Thermistor Comp surface TH33 0 10 20 30 40 50 20 10 0 10 20 ...

Page 39: ...r when the valve is locked sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the screw driver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Gray Orange Red Yellow Black 2 3 4 5 Connector LEV A LEV C 12 V DC Outdoor contro...

Page 40: ...herwise pipes can bend due to stress How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stopper to main body At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not firmly att...

Page 41: ...HW112 140Y SW7 Demand control setting CN51 External signal output Compressor operat ing signal Abnormal signal LEV A C Linear expansion valve LEV C is PUD SHWM only SWP Pump down SW8 Pipe replace Wiring replace CNM Connect to A control service tool CN2 Connect to the outdoor power circuit board CN2 1 5 Reception from power circuit board 2 5 Zero cross signal 0 5 VDC 3 4 Not used SHW112 140Y 18 VDC...

Page 42: ...WER SUPPLY Voltage of 230 VAC is input Connect to the terminal block TB1 CNAC1 CNAC2 230 VAC Connect to the outdoor controller circuit board EI E3 E4 Connect to the earth TB1 TB2 POWER SUPPLY Voltage of 230 VAC is output Connect to the outdoor power circuit board TB3 TB4 ...

Page 43: ...cuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 400 VAC OUTPUT Connect to the outdoor converter circuit board L1 IN ACL2 ACL3 CNCT Primary current Connect to the outdoor power circuit board CN5 CNL Connect to the ACL4 NO Connect to the outdoor converter circuit board N IN E2 E3 Connect to the earth E1 Connect to the earth PUD SWM80YAAR1 PUD SWM100YAAR1 PUD SWM120YAAR1 PUD SHWM80YA...

Page 44: ...oard 0 5 VDC 2 5 Zero cross signal 0 5 VDC 3 4 18 VDC 6 5 16 VDC 7 5 16 VDC CNDC 280 380 VDC 1 3 Connect to the outdoor controller circuit board CNDC U V W Connect to the compres sor MC Voltage among phases 10 180 VAC N1 N L P1 N2 W2 V2 U2 P2 N3 W3 V3 U3 P3 Brief Check of DIP IPM and DIODE MODULE If they are short circuited it means that they are broken Measure the resistance in the following poin...

Page 45: ...circuit board 0 5 VDC 2 5 Zero cross signal 0 5 VDC 3 4 15 VDC 6 5 15 VDC 7 5 15 VDC CN4 Connect to the outdoor controller circuit board CN4 Brief Check of POWER MODULE If they are short circuited it means that they are broken Measure the resistance in the following points connectors etc 1 Check of POWER MODULE 1 Check of DIODE circuit R P1 S P1 R N1 S N1 2 Check of PFC circuit P2 L1 P2 L2 P2 L3 N...

Page 46: ...ary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the out door controller cir cuit board CN4 CN2 Connect to the outdoor controller circuit board CN2 1 5 Power circuit board Transmitting signal to the controller board 0 5 VDC 2 5 Zero cross signal 0 5 VDC 3 4 Not used 6 5 16 VDC 7 5 16 VDC 5 1 2 6 7 CN7 Connect to the outdoor converter circuit board CN7 TB U TB V TB ...

Page 47: ...UD SHWM120YAAR1 PUD SHWM140YAAR1 L1 A2 L2 A2 L3 A2 Connect to the ACL1 ACL2 ACL3 CN7 Connect to the outdoor power circuit board CN7 CK OU Connect to the CK capacitor L1 IN N IN Connect to the noise filter circuit board LO1 NO L1 A1 Connect to the ACL1 L1 OU L2 OU L3 OU Connect to the outdoor power circuit board TB L1 L2 L3 ...

Page 48: ...setting OFF ON 3 C ON OFF 0 C ON ON 3 C Always DIP switch SW6 1 Model select 2 3 4 5 6 7 8 Switch Type of switch DIP switch Push switch SW1 1 2 No Function Effective timing Action by the switch operation No function Abnormal history clear Refrigerant address setting When power supply ON Clear Normal off or operating SWP 6 5 4 3 Under suspension Pump down Start Normal SW4 SW8 1 2 1 2 3 No function ...

Page 49: ...t breaker When power is supplied make sure that Centrally controlled is not displayed on the remote controller If Centrally controlled is displayed the refrigerant collecting pump down cannot be completed normally Startup of the indoor outdoor communication takes about 3 minutes after the power circuit breaker is turned on Start the pump down opera tion 3 to 4 minutes after the power circuit break...

Page 50: ...ower and on again Indoor outdoor unit communication error transmitting error is detect ed by indoor unit E7 Indoor outdoor unit communica tion error signal receiving error is detected by outdoor unit P 29 E8 Indoor outdoor unit communication error transmitting error is detect ed by outdoor unit P 29 E9 3 blinking Remote controller signal receiving error is detected by remote control ler E0 1 Check...

Page 51: ...cle on its air duct 5 Check leakage of refrigerant P 27 Compressor overcurrent breaking UP P 28 Abnormality of current sensor P B UH P 27 Abnormality of power module U6 P 25 5 blinking Open short of outdoor thermistors TH4 TH33 U3 1 Check if connectors TH3 TH32 TH4 TH33 and TH7 6 on outdoor controller board and connector CN3 on outdoor power board are not disconnected 2 Measure resistance value of...

Page 52: ... code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F3 F5 F9 E8 E9 EA Eb EC EE E0 E7 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting error Outdoor unit Miswirin...

Page 53: ...5 s 0 5 s 2 s 10 hours The compressor operating current 0 to 50 0 to 50 Note Value after the decimal point will be truncated A The compressor operating frequency 0 to 255 0 to 255 When it is 100 Hz or more hundreds digit tens digit and ones digit are displayed by turns Example When 125 Hz 0 5 s 0 5 s 2 s Hz The LEV A opening pulse 0 to 500 0 to 500 When it is 100 pulse or more hundreds digit tens ...

Page 54: ...play The error history 2 The alternate display of error unit num ber and code When no error history 0 and are displayed by turns Code display The thermo ON time 0 to 999 0 to 999 When it is 100 minutes or more the hundreds digit tens digit and ones digit are displayed by turns Example When 245 minutes 0 5 s 0 5 s 2 s Minute The test run elapsed time 0 to 120 0 to 120 When it is 100 minutes or more...

Page 55: ...ipe temperature Cond Eva TH5 2 Indoor 2 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns C The return water temperature THW2 0 to 60 0 to 60 C The target flow water temperature 0 to 80 0 to 80 C The outdoor pipe temperature Cond Eva TH6 or T63HS Condenser T63HS Evaporator TH6 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displ...

Page 56: ... The communication demand capacity 0 to 255 0 to 255 When the communication demand is not set 100 is displayed The error postponement code history 2 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in the case of no postponement Code display The error postponement code history 3 of outdoor unit Postponement code display Bl...

Page 57: ... and temperature are displayed by turns Example When 15 C 0 5 s 0 5 s 2 s C The ambient temperature TH7 when the last error occurred 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 s 0 5 s 2 s C The outdoor heat sink temperature TH8 when the last error occurred 40 to 200 40 to 200 When the temperature is 0 C or less and temperature...

Page 58: ...ontrol for excessive tempera ture rise of condensing temperature 4 Frosting preventing control 8 Preventive control for excessive tempera ture rise of radiator panel Example The following controls are activated Primary current control Preventive control for excessive temperature rise of condensing temperature Preventive control for excessive temperature rise of heat sink Code display The software ...

Page 59: ...reds digit tens digit and ones digit are displayed by turns Pulse The operation mode when the second to last error occurred This setting shows the operation mode when the sec ond to last error occurred as well as the default set ting Refer to the following Mode The operating frequency when the sec ond to last error occurred 0 to 255 0 to 255 When it is 100 or more hundreds digit tens digit and one...

Page 60: ...hen it is 0 or less and numbers are displayed by turns C The discharge temperature TH4 when the second to last error occurred 20 to 217 20 to 217 When it is 0 or less and numbers are displayed by turns When it is 100 or more hundreds digit tens digit and ones digit are displayed by turns C The outdoor liquid pipe temperature TH3 when the second to last error occurred 39 to 88 39 to 88 When it is 0...

Page 61: ...500 0 to 500 When it is 100 or more hundreds digit tens digit and ones digit are displayed by turns Pulse The operation mode when the third to last error occurred This setting shows the operation mode when the third to last error occurred as well as the default set ting Refer to the following Mode The operating frequency when the third to last error occurred 0 to 255 0 to 255 When it is 100 or mor...

Page 62: ...eat sink temperature TH8 when the third to last error occurred 40 to 200 40 to 200 When it is 0 or less and numbers are displayed by turns When it is 100 or more hundreds digit tens digit and ones digit are displayed by turns C The suction pipe temperature TH32 when the third to last error occurred 39 to 88 39 to 88 When it is 0 or less and numbers are displayed by turns C The Comp surface tempera...

Page 63: ...16 0 to 16 Step The return water temperature THW2 when the fourth to last error occurred 0 to 60 0 to 60 C The indoor liquid pipe temperature TH2 when the fourth to last error occurred 39 to 88 39 to 88 Indoor liquid pipe temperature TH2 Σ TH2 N n When it is 0 or less and numbers are displayed by turns C The indoor pipe temperature Cond Eva TH5 when the fourth to last error occurred 39 to 88 39 to...

Page 64: ...o 217 20 to 217 When it is 0 or less and numbers are displayed by turns When it is 100 or more hundreds digit tens digit and ones digit are displayed by turns C The LEV A opening pulse when the fourth to last error occurred 0 to 500 0 to 500 When it is 100 or more hundreds digit tens digit and ones digit are displayed by turns Pulse The LEV B opening pulse when the fourth to last error occurred 0 ...

Page 65: ...r unit Suction pipe temperature TH32 39 to 88 C 9 Outdoor unit Ambient temperature TH7 39 to 88 C 10 Outdoor unit Heat sink temperature TH8 40 to 200 C 11 Outdoor unit Comp Surface temperature TH33 20 to 217 C 12 Discharge superheat SHd 0 to 255 C 13 Degree of subcooling SC 0 to 255 C 14 15 16 Compressor Operating frequency 0 to 255 Hz 17 Compressor Target operating frequency 0 to 255 Hz 18 Outdoo...

Page 66: ...Code 71 Outdoor unit Setting information Refer to 10 1 1 Detail Contents in Request Code 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 Outdoor unit Microprocessor version information Examples Ver 5 01 0501 Ver 91 Outdoor unit Microprocessor version information sub No Auxiliary information displayed after version information Examples Ver 5 01 A000 A000 92 93 94 95 96 97 98 99 100 Outdoor...

Page 67: ...n pipe temperature TH32 when the last error occurred 39 to 88 C 116 Outdoor unit Ambient temperature TH7 when the last error occurred 39 to 88 C 117 Outdoor unit Heat sink temperature TH8 when the last error occurred 40 to 200 C 118 Discharge superheat SHd when the last error occurred 0 to 255 C 119 Degree of subcooling SC when the last error occurred 0 to 255 C 120 Compressor Operating frequency ...

Page 68: ...ay Correction value minus 1 0 0 2 1 1 2 10 1 1 Detail Contents in Request Code Display Power currently supplied to compressor Compressor Four way valve Solenoid valve 0 1 ON 2 ON 3 ON ON 4 ON 5 ON ON 6 ON ON 7 ON ON ON 8 ON A ON ON Display Current limit control 0 No current limit 1 Primary current limit control is ON 2 Secondary current limit control is ON Display Discharge temperature overheat pr...

Page 69: ...ected Display Overvoltage Undervoltage L1 phase Power synchronizing error error open error signal error 0 1 2 3 4 5 6 7 8 9 A b C d E F Error content 2 Detected Display Converter Fo PAM error error 0 1 2 3 Display SV1 Four way valve Compressor Compressor is warming up 0 1 ON 2 ON 3 ON ON 4 ON 5 ON 6 ON ON 7 ON ON ON 8 ON 9 ON ON A ON ON b ON ON ON C ON ON d ON ON ON E ON ON ON f ON ON ON ON Displa...

Page 70: ...play Single 3 phase Heat pump cooling only 0 Single phase Heat pump 1 Cooling only 2 3 phase Heat pump 3 Cooling only OPERATING PROCEDURE PHOTOS FIGURES 1 Removing the service panel and top panel 1 Remove the service panel fixing screws 3 for front and 1 for right 5 12 then slide the service panel downward to remove it The service panel is fixed to the side panel R with a hook on the right side 2 ...

Page 71: ...rmistor Liquid TH3 Thermistor Discharge TH4 Thermistor Ambient 2 Phase Pipe TH7 6 Thermistor Suction TH32 Thermistor Comp Surface TH33 High pressure switch 63H High pressure sensor 63HS 4 way valve 21S4 LEV LEV A LEV C 1 7 Disconnect the connectors ACL1 RD ACL2 WH and ACL3 BK on reactors in the separator 2 8 Remove the cover panel front fixing screws 1 for front and 1 for right 5 12 to remove the ...

Page 72: ... 4 10 to remove the cont base front The cont base front is fixed to the electrical parts box with a hook on the left side 5 Disconnect all the connectors on the noise filter circuit board 6 To remove the noise filter circuit board release it from the support 7 Remove the cont base fixing screws 3 for front 4 10 to remove the cont base The cont base is fixed to the electrical parts box with a hook ...

Page 73: ...older Note 1 When reassembling the electrical parts box make sure the wirings are correct Photo 6 1 Photo 6 2 Photo 6 3 Photo 6 4 Photo 6 5 7 Removing the thermistor 2 Phase Pipe TH6 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 RD on the controller circuit board in the electrical parts box See Photo 3 1 4 Loosen the fasteners and wire c...

Page 74: ... Liquid TH3 from thermistor clip Photo 9 10 Removing the thermistor Discharge TH4 thermistor Suction TH32 and thermistor Comp Surface TH33 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the cover panel front See Photo 3 1 4 Remove the comp case top See Photo 3 2 5 Remove the comp case front See Photo 3 2 6 Disconnect the connectors TH4 WH TH32 BK and TH33 YE on ...

Page 75: ... the welded part of 4 way valve 4 positions to remove the 4 way valve Removing the LEV 6 Remove the LEV coil 7 Loosen the LEV fixed to the pipe with band and rubber mount 8 Remove the welded part of LEV 2 positions to remove the LEV Removing the pressure switch 6 Disconnect the lead wire from the pressure switch 7 Loosen the pressure switch fixed to the pipe with band and rubber mount 8 Remove the...

Page 76: ...M model for 4 posi tions SHWM model for 5 positions then slide the piping upward to remove it 12 Remove the compressor fixing nuts 3 for top M6 to remove the compressor Note 1 Recover refrigerant without spreading it in the air 2 Tighten the nuts of compressor with a torque of 4 0 4 N m 1 For SHWM model only Photo 13 14 Removing the reactor ACL1 ACL2 ACL3 Y type model only 1 Remove the electrical ...

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