Mitsubishi Electric PUHZ-W112VHA Скачать руководство пользователя страница 58

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Содержание PUHZ-W112VHA

Страница 1: ...52 April 2019 Note This manual describes service data of outdoor unit only R410A PARTS CATALOG OCB562 Outdoor unit AIR TO WATER HEAT PUMP OCH562 REVISED EDITION C is void Revision Added PUHZ W112VHAR3 and PUHZ W112VHAR3 BS in REVISED EDITION D Some descriptions have been modified Model Name Service Ref PUHZ W112VHA PUHZ W112VHA PUHZ W112VHAR1 PUHZ W112VHAR2 PUHZ W112VHAR3 Salt proof model PUHZ W11...

Страница 2: ... W112VHAR1 BS PUHZ W112VHAR2 BS 1 Compressor oil has been added 2 The installation direction of LEV B assy has been changed to reduce high frequency noise 3 Outdoor controller board has been changed PUHZ W112VHA PUHZ W112VHAR1 PUHZ W112VHA BS PUHZ W112VHAR1 BS 1 A compliance with ErP directive Lot 1 has been authorized 2 Outdoor controller board has been changed 3 Outdoor power circuit board has b...

Страница 3: ...n refrigerant can cause deterioration of refrigerant oil etc Use a vacuum pump with a reverse flow check valve Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Use the following tools specifically designed for use with R410A refrigerant The following tools are necessary to use R410A refrigerant Handle tools with care If dirt dust or moist...

Страница 4: ...rged from liquid phase Electronic weighing scale Unit 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3 MPa G or over 2 Charge hose Only for R410A Use pressure performance of 5 09 MPa G or over 3 Electronic weighing scal...

Страница 5: ...Tool exclusive for R410A Charge hose Tool exclusive for R410A Gas leak detector Gas leak check Tool for HFC refrigerant Refrigerant recovery equipment Refrigerant recovery Tool exclusive for R410A Refrigerant cylinder Refrigerant charge Tool exclusive for R410A Safety charger Prevent compressor malfunction when charging refrigerant by spraying liquid refrigerant Tool exclusive for R410A Charge val...

Страница 6: ...0 01 11 20 0 01 3 34 3 35 6 3 15 8 98 98 11 1 1ø 230 V 50 Hz 32 2 80 2 22 11 20 4 47 3 57 5 2 51 32 1 28 7 10 00 10 00 4 50 PUHZ W112VHA R1 R2 PUHZ W112VHA R1 R2 BS W Water OUT Ref IN Heating B m m 8 0 1 W g n i s a c r e t u O m m 2 2 5 H h s i n i f l a n r e t x E m m 2 3 1 D l o r t n o c t n a r e g i r f e R s e t a l p 6 4 r o s s e r p m o C Model Motor output kW Start type e r u t a r e p...

Страница 7: ...1 11 20 0 01 3 34 3 35 6 15 8 98 98 11 1 1ø 230 V 50 Hz 32 2 80 2 22 11 20 4 47 3 57 5 2 51 32 1 28 7 10 00 10 00 4 50 PUHZ W112VHAR3 PUHZ W112VHAR3 BS g n i s a c r e t u O h s i n i f l a n r e t x E l o r t n o c t n a r e g i r f e R r o s s e r p m o C Model Motor output kW Start type e r u t a r e p m e t r e t a w t e l t u o m u m i x a M s e c i v e d n o i t c e t o r P Oil Model L W r e...

Страница 8: ...0 25 0 Return water temp Applicable Model PUHZ W112VHA PUHZ W112VHA BS PUHZ W112VHAR1 PUHZ W112VHAR1 BS PUHZ W112VHAR2 PUHZ W112VHAR2 BS PUHZ W112VHAR3 PUHZ W112VHAR3 BS Available range Cooling 14 0 19 0 24 0 29 0 34 0 39 0 Table 6 Water flow rate L min 5 0 7 0 9 0 11 0 13 0 15 0 Return water temp Applicable Model PUHZ W112VHA PUHZ W112VHA BS PUHZ W112VHAR1 PUHZ W112VHAR1 BS PUHZ W112VHAR2 PUHZ W1...

Страница 9: ...10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz COOLING MODE HEATING 53 SPL dB 53 LINE PUHZ W112VHA PUHZ W112VHA BS PUHZ W112VHAR1 PUHZ W112VHAR1 BS PUHZ W112VHAR2 PUHZ W112VHAR2 BS PUHZ W112VHAR3 PUHZ W112VHAR3 BS ...

Страница 10: ...t circuit Discharge pressure MPa 2 63 2 08 Suction pressure MPa 0 83 0 67 Discharge temperature ºC 69 60 Condensing temperature ºC 45 36 Suction temperature ºC 9 6 Water conditions Flow volume L min 28 7 32 1 Outlet water temperature ºC 7 35 Outdoor conditions Intake air temperature D B ºC 35 7 W B ºC 24 6 The unit of pressure has been changed to MPa based on international SI system The conversion...

Страница 11: ...Detail Air Intake 40 74 34 Handle for moving Rear Air Intake Handle for moving Water OUT Water IN 59 Handle for moving Side Air Intake Detail Scale 1 6 ISO 228 1 G1 B 466 74 24 Drain hole 5 33 219 81 30 256 133 133 133 FOUNDATION Foundation bolt height Please secure the unit firmly with 4 foundation M10 bolts Bolts and washers must be purchased locally 30 Service space Dimensions of space needed f...

Страница 12: ...dicators C B NI SYMBOL NAME SYMBOL NAME Connection Terminal N Phase Connection Terminal Reactor Connection Terminal Ground DCL1 DCL2 IGBT EI E2 E3 E4 Power Circuit Board Connection Terminal U V W Phase P B LI Connection Terminal L Phase U V W Switch Model Select SW5 CN31 Relay Fuse T6 3AL250V F1 F2 F3 F4 X51 X52 X54 TH8 Thermistor internal Heat Sink Thermistor Comp Surface TH34 Switch Function Swi...

Страница 13: ... SW7 SV3 SS C B SYMBOL NAME SYMBOL NAME Power Circuit Board P B Switch Model Select SW5 Fuse T10AL250V F1 F2 Fuse T6 3AL250V F3 F4 TH8 Thermistor internal Heat Sink Thermistor Comp Surface TH34 Switch Function Switch SW9 1 2 3 4 5 6 7 8 OFF ON 112V MODEL SW6 1 MODEL SELECT 2 SW5 1 to 5 Function Switch SW5 6 2 OFF ON 1 2 3 4 5 6 The black square indicates a switch position 1 3 3 4 1 1 1 2 1 1 7 2 T...

Страница 14: ...N L3 N 3phase 230 V AC 3 230 V AC 3 24 V DC 3 12 V DC Interface unit Flow temp controller Outdoor unit S1 S2 Interface unit Flow temp controller Outdoor unit S2 S3 Remote controller Interface unit Flow temp controller 1 A breaker with at least 3 0 mm contact separation in each pole shall be provided Use earth leakage breaker NV 2 Maximum 80 m 3 The figures are NOT always against the ground S3 term...

Страница 15: ...ary LEV For LEV control For freeze protection and for compressor frequency control Heating Evaporating temperature Cooling Sub cool liquid temperature For LEV control and for compressor protection Heating Sub cool liquid temperature Cooling Evaporating temperature For fan control and for compressor frequency control For power board protection For compressor protection For accumulation of refrigera...

Страница 16: ...d operation manual before test run Especially items to secure safety Unit conditions at service Check code Actions to be taken for service summary The trouble is reoccurring Displayed Judge the problem and take a corrective action according to 8 3 SELF DIAGNOSIS ACTION TABLE Not displayed Conduct troubleshooting and ascertain the cause of the trouble The trouble is not reoccurring Logged 1Consider...

Страница 17: ...L Low pressure switch 1 Disconnection or contact fail ure of 63L connector on out door controller circuit board 2 Disconnection or contact fail ure of 63L 3 63L is working due to refriger ant leakage or defective parts 4 Defective outdoor controller circuit board 1 Check connection of 63L connector on outdoor controller circuit board Refer to 8 6 TEST POINT DIAGRAM 2 Check the 63L side of connecti...

Страница 18: ... and out door unit Also check if the connection order of flat cable is S1 S2 S3 3 Check the number of Interface unit Flow temp controller that is connected to 1 out door unit If EA is detected 4 5 Turn the power off once and on again to check Replace outdoor controller circuit board or Interface Flow temp controller board if abnormality occurs again 6 Check transmission path and remove the cause N...

Страница 19: ... or 110 continuously for 5 minutes Abnormal if during defrosting discharge temperature thermistor TH4 exceeds 110 continuously for 30 minutes High comp surface temperature Abnormal if comp surface temperature TH34 exceeds 170 In the case of high comp surface tem perature error compressor does not restart unless the thermistor TH34 becomes less than 95 1 Overheated compressor oper ation caused by i...

Страница 20: ...g power module in case overcurrent is detected UF or UP error condition 1 Defective outdoor power cir cuit board 2 Decrease of power supply voltage 3 Loosens disconnection or reverse of compressor wiring connection 4 Defective compressor 1 Replace outdoor power circuit board 2 Check facility of power supply 3 Correct the wiring U V W phase to compressor Refer to 8 6 TEST POINT DIAGRAM Outdoor powe...

Страница 21: ...ase open error Decrease in input current through outdoor unit to 0 1A only if operation frequency is more than or equal to 40 Hz or compressor current is more than or equal to 6A 1 Defective input current detection circuit in outdoor power circuit board 2Defective outdoor controller circuit board 1 Replace outdoor power circuit board 2 Replace outdoor controller circuit board 08 Abnormal power syn...

Страница 22: ...of refrigerant 1 Correct the wiring U V W phase to compres sor Refer to 8 6 TEST POINT DIAGRAM Outdoor power circuit board 2 Replace outdoor power circuit board 3 Check the facility of power supply 4 Check leakage of refrigerant UL Low pressure 63L operated Abnormal if 63L is operated under 0 03 MPa during compressor operation 63L Low pressure switch 1 Stop valve of outdoor unit is closed during o...

Страница 23: ...terface Flow temp controller receives the transmitted data same time and compares these data Abnormal if the data is judged to be different for 30 continuous times Check code E5 1 2 remote controllers are set as main In case of 2 remote control lers Note that some models can only connect 1 remote con troller For more detail refer to the indoor unit s service manual 2 Defective transmitting receiv ...

Страница 24: ...circuit board 4 Defective communication cir cuit of outdoor controller circuit board for outdoor power circuit board 12 Check connection of each connector CN2 and CN4 between the outdoor controller circuit board and the outdoor power circuit board 3 Replace outdoor power circuit board 4 Replace outdoor controller circuit board P6 Freezing overheating protection is working 1 Freezing protection Coo...

Страница 25: ...cuit board Temperature display is indicated by setting SW2 of outdoor controller circuit board Check the holder of thermistor UE Abnormal pressure of pressure sensor 63HS Abnormal if pressure sensor 63HS detects 0 1 MPa or less Detection is inoperative for 3 minutes after compressor starting and 3 minutes after and during defrosting 1 Disconnection or contact fail ure of connector 63HS on the outd...

Страница 26: ...ction Thermistor TH34 Comp surface Normal 160 to 410 kΩ 4 3 to 9 6 kΩ 4 4 to 9 8 kΩ 39 to 105 kΩ TH4 TH34 TH3 TH6 TH7 TH33 TH32 TH8 Abnormal Open or short Measure the resistance between the terminals with a tester At the ambient temperature of 20 C Solenoid valve coil 4 way valve 21S4 Compressor MC Normal Abnormal Open or short Refer to the next page Fan motor MF1 1435 150 Ω Normal Abnormal Open o...

Страница 27: ... the wiring Yes Yes Yes Yes No Fail Fail OK OK No No Fuse check Check the fuse F5 on outdoor controller circuit board Wiring contact check Contact of fan motor connector CNF1 2 Power supply check Measure the voltage on the outdoor controller circuit board TEST POINT 1 VDC 280 380 V DC between 1 and 4 of CNF1 2 TEST POINT 2 VCC 15 V DC between 5 and 4 of CNF1 2 Is the fuse normal Is the fan motor n...

Страница 28: ...ermistor R50 17 kΩ 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 Thermistor R120 7 465k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 20 250 kΩ 30 160 kΩ 40 104 kΩ 50 70 kΩ 60 48 kΩ 70 34 kΩ 80 24 kΩ 90 17 5 kΩ 100 13 0 kΩ 110 9 8 kΩ High temperature thermistors Thermistor Discharge TH4 Thermistor Comp surface TH34 0 10 20 30 40 50 20 10 ...

Страница 29: ...40 3 0 kΩ Thermistor R0 15 kΩ 2 5 B constant 3450 2 Rt 15exp 3450 273 t 273 1 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 1 Vout V PRESSURE MPa 3 2 1 WH BU BK SENSOR 5 V DC GND 63HS Vout MICRO PROCESSOR MULTI CONTROLLER BOARD 3 1 5 V DC 2 1 Output Vout DC 0 5 2 5 5 2 5 4 5 HIGH PRESSURE SENSOR ...

Страница 30: ...s locked sound can be heard No sound is heard when the pulse number moves from to 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 1 Gray Orange Red Yellow Black 3 4 5 2 Connector LEV A LEV B 12 V DC Outdoor controller board Drive circuit 3 2 5 4...

Страница 31: ...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 stop per 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 at...

Страница 32: ...quid CNDC 280 380 V DC 1 3 Outdoor power circuit board for VFG Voltage between right pins of PC5C and PC5D pin 3 and pin 4 Same as CNF17 4 VSP Voltage between pins of C5A C5B 0 V DC when stopped 1 6 5 V DC when operated SW2 Operation monitor function LEV A B Linear expansion valve SW8 Function switch CN2 Connect to the outdoor power circuit board CN2 1 5 Reception from power circuit board 2 5 Zero...

Страница 33: ... record reset CNDM 1 to 2 Input of low level sound priority mode TH4 Thermistor Discharge TH3 Thermistor Liquid TH7 6 Thermistor Ambient Plate HEX liquid CNDC 280 380 V DC 1 3 Outdoor power circuit board for VFG Voltage between right pins of PC5C and PC5D pin 3 and pin 4 Same as CNF17 4 VSP Voltage between pins of C5A C5B 0 V DC when stopped 1 6 5 V DC when operated SW2 Operation monitor function ...

Страница 34: ...rcuit board CN2 1 5 Transmitting signal to outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 18 V DC 6 5 16 V DC 7 5 16 V DC N2 Connect to the smoothing capacitor CB 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 C...

Страница 35: ...CN2 1 5 Transmitting signal to outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 18 V DC 6 5 16 V DC 7 5 16 V DC 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 L1 S ...

Страница 36: ...ssure 63H operated U2 Abnormal high discharging temperature shortage of refrigerant U3 Open short circuit of discharging thermistor TH4 TH34 U4 Open short of outdoor unit thermistors TH3 TH32 TH6 TH7 TH8 and TH33 U5 Abnormal temperature of heat sink U6 Abnormality of power module U7 Abnormality of superheat due to low discharge temperature U8 Abnormality in outdoor fan motor U9 Voltage fault Input...

Страница 37: ...digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 s 0 5 s 2 s 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor running current 0 to 50 LEV A opening pulse 0 to 500 0 to 50 Value after the decimal point will be truncated 0 to 500 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 pulse 0 ...

Страница 38: ...the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 s 0 5 s 2 s A Code display Code display 0 to 50 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Compressor operation duration 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...

Страница 39: ...rature TH8 40 to 200 40 to 200 When the temperature is 0 or less and temperature are displayed by turns When the thermistor detects 100 or more hundreds digit tens digit and ones digit are displayed by turns 1 ON 2 3 4 5 6 C Discharge superheat SHd 0 to 255 Cooling and Heating SHd TH4 T63HS 0 to 255 When the SHd is 100 C or more hundreds digit tens digit and ones digit are displayed by turns 1 ON ...

Страница 40: ...isplay Blinking being deferred Lighting deferment is cancelled 00 is displayed in case of no deferment 1 ON 2 3 4 5 6 When there is no setting of capacity save 100 is displayed 0 to 100 When the capacity is 100 hundreds digit tens digit and ones digit are displayed by turns Example When 100 0 5 s 0 5 s 2 s 00 1 Capacity save 0 to 100 The black square indicates a switch position 2 cycles Number of ...

Страница 41: ...d 0 to 100 0 to 100 30 1 1 ON 2 3 4 5 6 Plate HEX liquid pipe temperature TH6 when 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 Condensing temperature when 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 1 ON ...

Страница 42: ...d ones digit are displayed by turns Example When 415 minutes 0 5 s 0 5 s 2 s Maximum frequency when error occurred 0 to 150 0 to 150 When it is 100 Hz or more hundreds digit tens digit and ones digit are displayed by turns Example When 105 Hz 0 5 s 0 5 s 2 s Requested capacity step when error occurred 0 to 7 0 to 7 Step 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Minute Hz 15 1 15 ...

Страница 43: ... s 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Outdoor suction pipe temperature TH33 39 to 88 1 30 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 15 The black square indicates a switch position Normal Overvoltage error Undervoltage error Input current sensor error L1 phase open error Abnormal power synchronous signal PFC IGBT error Undervolt...

Страница 44: ...ure TH6 Outdoor unit Outside air temperature TH7 Outdoor unit Heatsink temperature TH8 Discharge superheat SHd Sub cool SC Compressor Operating frequency Compressor Target operating frequency Outdoor unit Fan output step Outdoor unit Fan 1 speed Only for air conditioners with DC fan motor Outdoor unit Fan 2 speed Only for air conditioners with DC fan motor LEV A opening LEV B opening Primary curre...

Страница 45: ...ent history 1 latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Displays postponement code is displayed if no postponement code is present Displays postponement code is displayed if no postponement code is present Displays postponement co...

Страница 46: ...on mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Water inlet temperature TH32 at time of error Plate HEX liquid pipe temperature TH6 at time of error Outdoor unit Outside air te...

Страница 47: ...0 STOP FAN C COOL DRY H HEAT d DEFROST Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Outdoor unit Control state Request code 51 Data display State 0 0 0 0 Normal 0 0 0 1 Preparingforheatoperation 0 0 0 2 Defrost Compressor Frequency control state Request code 52 Data display 0 0 Frequency control state 2 Frequency control state 1 Frequen...

Страница 48: ...play 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected 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 Compressor is warming up ...

Страница 49: ...play Setting information 1 Setting information 2 0 0 Setting information 1 Display Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump 3 phase cooling only 0 Single phase Heat pump 1 Cooling only 2 3 phase Heat pump 3 Cooling only ...

Страница 50: ... opening pulse LEV A 0 0 0 1 0 0 LEV B opening pulse LEV B 1 0 0 0 1 0 LEV B opening pulse LEV B 0 1 0 0 0 1 Ambient temp TH7 1 0 0 0 1 1 Water inlet temp TH32 0 0 0 0 1 1 Requested capacity step Q STEP 1 0 1 1 1 1 Heat sink temp TH8 0 1 0 0 1 1 Comp surface temp TH34 0 1 1 1 1 1 Calculated max frequency Hz 0 1 1 0 1 1 Suction temp TH33 0 1 0 1 1 1 Sub Cool SC 0 0 1 0 1 1 Heat sink temp TH8 0 1 1 ...

Страница 51: ... saving mode Powerful mode OFF Always 2 Max current setting Model Max current OFF ON W112 29 5A 23 0A OFF When power supply ON 3 Separate Interface Flow temp controller outdoor unit power supplies Separate power supply Outdoor unit power supply OFF Power supply connection method selection When power supply ON SW9 1 4 No function Important Note All these DIP switches on PUHZ W112VHA are set as show...

Страница 52: ...oard Symbols on the board CNF1 CNF2 Fan motor LEV A LEV B LEV A LEV B Release the lead wires of LEV from a wire clip Disconnect the pipe side connections of the following parts Thermistor Liquid TH3 Thermistor Discharge TH4 Thermistor Plate HEX liquid TH6 Thermistor Ambient TH7 Thermistor Inlet water TH32 Thermistor Suction TH33 Thermistor Comp surface TH34 High pressure switch 63H Low pressure sw...

Страница 53: ...TH34 6 Remove the top damper then pull out the thermistor Comp surface TH34 from the holder of the compres sor shell 1 TH3 TH4 and TH34 are fixed together with a cable tie When exchanging TH4 and TH34 cut the cable tie bundling TH3 TH4 and TH34 to release the lead wires Photo 7 6 Removing the thermistor Liquid TH3 and thermistor Suction TH33 1 Remove the service panel See Photo 1 2 Disconnect the ...

Страница 54: ...R3 model only 9 Removing LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove the cover panel front See Photo 1 5 Remove the stay 6 Remove the water pipes connected to water outlet and water inlet 7 Remove the side panel R 8 Remove the LEV coil 9 Recover refrigerant 10 Remove the welded part of LEV Refer to the notes b...

Страница 55: ... plate heat exchanger 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the cover panel front 4 Remove the electrical parts box See Photo 4 5 Remove the stay 6 Remove the water pipes connected to water outlet and water inlet 7 Remove the side panel R 8 Recover the refrigerant 9 Remove 2 welded pipes of plate heat exchanger inlet and outlet 10 Remove 3 plate heat ex...

Страница 56: ... it in the air Photo 14 14 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the cover panel front 4 Remove the electrical parts box See Photo 4 5 Remove the stay 6 Remove the water pipes connected to water outlet and water inlet 7 Remove the side panel R 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10...

Страница 57: ...codan Heating for Domestic Applications Brochure 2016 Ecodan Homeowner Brochure Ecodan Homeowner Leaflet Ecodan Hybrid Applications Brochure Ecodan PUHZ H W Installation Manual BH79D532H03 Ecodan PUHZ H W50 140VHA 2 YHA2 Monobloc Air Source Heat Pump Product Information Sheet Ecodan PUHZ W112VHA Declaration of Conformity Ecodan PUHZ W112VHA BS Parts Catalogue OCB562C Ecodan PUHZ W112VHA BS Service...

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