Mitsubishi PUHZ-W50VHA2 Скачать руководство пользователя страница 2

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TECHNICAL CHANGES

Service ref. have been changed as follows.

PUHZ-W50VHA2

PUHZ-W50VHA2R1

PUHZ-W50VHA2-BS

PUHZ-W50VHA2R1-BS

1. The installation direction of LEV-B assy has been changed to reduce high frequency noise.

OCH605A

Содержание PUHZ-W50VHA2

Страница 1: ...describes service data of outdoor unit only RoHS compliant products have G mark on the spec name plate R410A PARTS CATALOG OCB605 SPLIT TYPE AIR TO WATER HEAT PUMP No OCH605 REVISED EDITION A Novembe...

Страница 2: ...CHANGES Service ref have been changed as follows PUHZ W50VHA2 PUHZ W50VHA2R1 PUHZ W50VHA2 BS PUHZ W50VHA2R1 BS 1 The installation direction of LEV B assy has been changed to reduce high frequency noi...

Страница 3: ...rant 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 refrigera...

Страница 4: ...charged from liquid phase Gravimeter 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 exist...

Страница 5: ...r Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis tor vacuum gauge and vacuum valve Charging cylinder Air purge refrigerant charge and operation check Gas leak chec...

Страница 6: ...ating A7 W35 39 mm A Cooling A35 W7 m m 2 8 6 2 B A t n e r r u c x a M m m 3 9 W A e z i s r e k a e r B m m 5 2 3 H g n i s a c r e t u O m m 2 4 5 D h s i n i f l a n r e t x E s e t a l p 28 l o r...

Страница 7: ...0 9 0 11 0 13 0 15 0 17 0 19 0 Water flow rate L min Return water temp Applicable Models PUHZ W50VHA2 PUHZ W50VHA2R1 PUHZ W50VHA2 BS PUHZ W50VHA2R1 BS Available range Cooling Table 4 7 0 6 0 8 0 9 0 1...

Страница 8: ...arge temperature C 69 68 Condensing temperature C 43 37 Suction temperature C 6 6 Water conditions Flow volume L min 12 9 14 3 Outlet water temperature C 7 35 Outdoor conditions Intake air temperature...

Страница 9: ...oles Foundation Bolt M10 Installation Feet 53 417 370 28 175 175 600 19 330 30 Drain hole 5 33 30 81 219 220 145 145 145 Detail ISO 228 1 G1 B 85 269 24 Foundation bolt height Please secure the unit f...

Страница 10: ...ction for Option SV3 SS C B SYMBOL NAME SYMBOL NAME Switch Model Select Switch Function Switch SW5 Switch Function Switch SW2 Switch Function Switch SW4 SW9 Fuse T10AL250V F1 F2 Fuse T6 3AL250V F3 F4...

Страница 11: ...or unit please use 3 pole type S1 S2 S3 S1 S2 S3 A Control Outdoor Unit 3 poles isolator Power supply Isolator Interface unit Flow temp controller 0V W5 l e d o m t i n u r o o d t u O Outdoor unit po...

Страница 12: ...LEV Heating Primary LEV Cooling Secondary LEV For freeze protection and for compressor frequency control Heating Evaporating temperature Cooling Sub cool liquid temperature For LEV control and for com...

Страница 13: ...t 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 what is wrong and take a corrective act...

Страница 14: ...minal block TB1 b Connection of terminal on outdoor power circuit board Check connection of the connector R or S Refer to 8 6 TEST POINT DIAGRAM 3 Check connection of the connector CNDC on the outdoor...

Страница 15: ...r 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...

Страница 16: ...if during defrosting discharge temperature thermistor TH4 exceeds 110 continuously for 30 minutes High comp surface temperature Abnormal if comp surface temperature TH34 exceeds 125 In the case of hig...

Страница 17: ...ness 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 compress...

Страница 18: ...controller circuit board 1 Replace outdoor power circuit board 2 Replace outdoor controller circuit board 08 Abnormal power synchronous signal No input of power synchronous signal to power circuit bo...

Страница 19: ...rmal if current sensor detects 1 0 A to 1 0 A during compressor operation This error is ignored during test run 1 Disconnection of compressor wiring 2 Defective circuit of current sensor on outdoor po...

Страница 20: ...error E3 signal receiving error E5 1 Abnormal if remote controller could not find blank of transmission path for 6 sec onds and could not transmit Check code E3 2 When remote controller receives the t...

Страница 21: ...tween outdoor controller circuit board and out door power circuit board is defective 1 Wire disconnection or contact failure of connector CN2 between the outdoor controller circuit board and the outdo...

Страница 22: ...mperature 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...

Страница 23: ...ce between the terminals with a tester At the ambient temperature of 20 Solenoid valve coil 4 way valve 21S4 Compressor MC Normal Abnormal Open or short Refer to 8 4 1 Check method of DC fan motor fan...

Страница 24: ...the outdoor controller circuit board Replace the outdoor controller circuit board Replace fan motor Replace the fan motor Check fan motor rotation Check fan motor rotation Is the voltage normal Is th...

Страница 25: ...465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat Sink TH8 High temperature thermistors Thermistor Discharge TH4 Thermistor Comp Surface TH34 0 10 20 30 40 50 20 10 0 10 20 30 40...

Страница 26: ...273 t 273 1 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 1 0 5 2 5 5 2 5 4 5 Vout V PRESSURE MPa 3 2 1 WHT BLU BLK SENSOR 5 V DC GND 63HS Vout MICRO PROCESSOR MULTI CONTROLLER BOAR...

Страница 27: ...ves 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 v...

Страница 28: ...ipes 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...

Страница 29: ...opped 7 5 V DC When operated 0 15 V pulse 21S4 4 way valve 63H High pressure switch SV1 Connection for option Drain hose heater output CN4 Transmission to out door power circuit board CN4 SW6 Model se...

Страница 30: ...ct to the outdoor controller circuit board CN2 1 5 Outdoor power circuit board Transmitting sig nal to the outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 15 V DC 6 5 16 V...

Страница 31: ...rated U2 Abnormal high discharge temperature shortage of refrigerant U3 Open short circuit of discharging thermistor TH4 and TH34 U4 Open short of outdoor unit thermistors TH3 TH32 TH6 TH7 and TH8 U5...

Страница 32: ...igit 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...

Страница 33: ...eds 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...

Страница 34: ...8 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...

Страница 35: ...igit are displayed by turns Code display Direct current bus voltage 150 to 400 150 to 400 When it is 100 V or more hundreds digit tens digit and ones digit are displayed by turns V 1 ON 2 3 4 5 6 1 ON...

Страница 36: ...ng pulse when error occurred 0 to 500 0 to 500 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 130 pulse 0 5 s 0 5 s 2 s Water inlet temperatu...

Страница 37: ...es 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...

Страница 38: ...are displayed by turns Example When 130 0 5 s 0 5 s 2 s 1 ON 2 3 4 5 6 1 30 The black square indicates a switch position Normal Overvoltage error Undervoltage error Input current sensor error Abnormal...

Страница 39: ...A 0 0 1 1 0 1 LEV A 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...

Страница 40: ...ction OFF Always 2 No function OFF 3 6 No function OFF SW8 1 Mode selection Energy saving mode Powerful mode OFF Always 2 Max current setting Model Max current OFF ON W50VHA2 13 A 11 A OFF When power...

Страница 41: ...pipe temperature TH6 Outdoor unit Outside air temperature TH7 Outdoor unit Heat sink temperature TH8 Discharge superheat SHd Sub cool SC Compressor Operating frequency Compressor Target operating fre...

Страница 42: ...ry 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 Exampl...

Страница 43: ...H8 TH32 Operation 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 Disch...

Страница 44: ...FAN C COOL DRY H HEAT d DEFROST Relay output state Display Power currently Compressor 4 way valve Solenoid valve supplied to compressor Outdoor unit Control state Request code 51 Data display State 0...

Страница 45: ...2 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...

Страница 46: ...ing 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...

Страница 47: ...ll the following connectors from controller circuit board CNF1 WH LEV A WH LEV B RD TH3 WH TH4 WH TH7 6 RD TH32 BK TH34 RD 63HS WH 63H YE and 21S4 GN Pull out the disconnected wire from the electrical...

Страница 48: ...he top panel See Photo 1 3 Remove 2 screws 5 12 and remove the cover panel front See Photo 1 4 Remove 3 valve bed fixing screws 4 10 and remove the valve bed Remove 3 side panel R fixing screws 5 12 a...

Страница 49: ...er refrigerant 8 Remove the welded part of linear expansion valve Refer to the notes below Photo 9 Solenoid valve 4 way 21S4 4 way valve Linear Expansion Valve LEV A High pressure switch 11 Removing t...

Страница 50: ...s box See Photo 4 5 Remove 3 screws 4 10 and remove the valve bed See Photo 4 6 Remove 3 screws 5 12 in the rear of the unit and remove the side panel R See Photo 4 7 Recover the refrigerant 8 Remove...

Страница 51: ...2 Remove 4 reactor fixing screws 4 16 and remove the reactor Note The reactor is attached to the rear of the electrical parts box 19 Removing the thermistor Heat Sink TH8 1 Remove CN2 CN4 CNDC CNAC1 C...

Страница 52: ...lowing connectors from controller circuit board CNF1 WH LEV A WH LEV B RD TH3 WH TH4 WH TH7 6 RD TH32 BK TH34 RD 63HS WH 63H YE and 21S4 GN Pull out the disconnected wire from the electrical parts box...

Страница 53: ...he top panel See Photo 1 3 Remove 2 screws 5 12 and remove the cover panel front See Photo 1 4 Remove 3 valve bed fixing screws 4 10 and remove the valve bed Remove 3 side panel R fixing screws 5 12 a...

Страница 54: ...er refrigerant 8 Remove the welded part of linear expansion valve Refer to the notes below Photo 9 Solenoid valve 4 way 21S4 4 way valve Linear Expansion Valve LEV A High pressure switch 11 Removing t...

Страница 55: ...s box See Photo 4 5 Remove 3 screws 4 10 and remove the valve bed See Photo 4 6 Remove 3 screws 5 12 in the rear of the unit and remove the side panel R See Photo 4 7 Recover the refrigerant 8 Remove...

Страница 56: ...2 Remove 4 reactor fixing screws 4 16 and remove the reactor Note The reactor is attached to the rear of the electrical parts box 19 Removing the thermistor Heat Sink TH8 1 Remove CN2 CN4 CNDC CNAC1 C...

Страница 57: ...57 OCH605A...

Страница 58: ...KYO 100 8310 JAPAN Copyright 2015 MITSUBISHI ELECTRIC CORPORATION Distributed in Nov 2015 No OCH605 REVISED EDITION A Distributed in Jul 2015 No OCH605 Made in Japan New publication effective Nov 2015...

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