Mitsubishi Electric PUHZ-W90VHA Скачать руководство пользователя страница 29 | Manualshive

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29

Active filter module(ACTM)

—

Connect to the
outdoor power
circuit board
(TABN1)

L1, L2
Connect to the
DCL (Reactor)

+

Connect to the outdoor
power circuit board
(TABP1)

I

0

Connect to the
outdoor power
circuit board
(TABN2)

N1
Non-connect

P
Connect to the
outdoor power
circuit board
(TABP2)

N2
Non-connect

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Содержание PUHZ-W90VHA

Страница 1: ...WIRING DIAGRAM 8 6 WIRING SPECIFICATIONS 9 7 REFRIGERANT SYSTEM DIAGRAM 10 8 TROUBLESHOOTING 11 9 DISASSEMBLY PROCEDURE 38 August 2007 Note This manual describes only service data of PUHZ W90VHA RoHS compliant products have G mark on the spec name plate R410A model name PUHZ W90VHA Service Ref PUHZ W90VHA PUHZ W90VHA PARTS CATALOG OCB419 ...

Страница 2: ...fficiency will be lowered Do not use refrigerant other than R410A If other refrigerant R22 etc is used chlorine in 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 re...

Страница 3: ...410A Tools for other refrigerants can be used if equipped with adop ter for reverse flow check Tools for other refrigerants can be used Tools for other refrigerants can be used Tools for other refrigerants can be used Tools for other refrigerants can be used Tools for other refrigerants can be used Tool exclusive for R410A Tools and materials Use R410A tools Can R22 tools be used Usable if equippe...

Страница 4: ... name ALFA LAVAL Running current Heating A7 W35 0 4 0 3 H C A A Cooling A35 W7 A m m 4 0 4 A A t n e r r u c x a M m m 2 8 6 2 B g n i s a c r e t u O External finish m m 3 9 W l o r t n o c t n a r e g i r f e R m m 5 2 3 H r o s s e r p m o C m m 9 6 D l e d o M s e t a l p 0 4 W k t u p t u o r o t o M Start type Protection devices 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 L l e...

Страница 5: ... 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz PUHZ W90VHA COOLING MODE HEATING 49 SPL dB 49 LINE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar 3 1 NOISE CRITERION CURVES ...

Страница 6: ...rant circuit Discharge pressure MPa 2 74 2 21 Suction pressure MPa 0 73 0 64 Discharge temperature 74 65 Condensing temperature 47 38 Suction temperature 3 1 Water conditions Flow volume L min 20 4 25 8 Outlet water temperature 7 35 Outdoor conditions Intake air temperature D B 35 7 W B 24 6 The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MP...

Страница 7: ...e for moving Water OUT Water IN 682 943 950 322 23 473 Terminal Connections Left Power supply wiring Right Controller wiring Service panel Handle for moving Handle for moving 1 FREE SPACE Around the unit 2 SERVICE SPACE 3 FOUNDATION BOLTS Less than Over 500 Over 500 The diagram below shows a basic example Explantion of particular details are given in the installation manuals etc Over300 Over10 Ser...

Страница 8: ...ase Connection Terminal DC Voltage TABN1 N2 Connection Terminal DC Voltage TABU V W Switch Model Select Relay Fuse T6 3AL250V F3 F4 X52 X55 SYMBOL NAME MS 3 MF1 M 1 3 1 7 3 4 1 1 1 2 1 1 1 6 5 7 3 1 1 1 7 2 CNF1 WHT TRANS CNDC PNK TH7 6 RED TH3 WHT TH4 WHT TH7 t t t t TH6 TH3 TH4 1 2 TH32 BLK t TH32 63HS 63HS WHT 3 1 CNS WHT 63H YLW 3 1 63H CNIF1 RED CNIF2 WHT CNIF3 WHT CNIF4 WHT C B P B N F SW6 S...

Страница 9: ...otes 1 Wiring size must comply with the applicable local and national codes 2 Power supply cables and the cables between Controller and Outdoor unit shall not be lighter than polychloro SUHQH VKHDWKHG ÀH LEOH FDEOHV Design 60245 IEC 57 3 Be sure to connect the cables between Controller and Outdoor unit directly to the units no intermediate connections are allowed Intermediate connections may resul...

Страница 10: ...ressure Inverter power board Heating Secondary LEV Cooling Primary 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 compressor protection Heating Sub cool liquid temperature Cooling Evaporating temperature For fan control and for compressor frequency c...

Страница 11: ...ime being if the cause is not ascertained There is no abnormality concerning of parts such as electrical component controller board and etc Error code display by self diagnosis and actions to be taken for service summary Present and past error codes are logged and displayed on the control board of outdoor unit Actions to be taken for service which depends on whether or not the trouble is reoccurri...

Страница 12: ...al block TB1 c Connection of power supply terminal block TB1 Check following items a Connection of power supply terminal block TB1 Connection of terminal LI NI LO NO on the noise filter circuit board b Connection of terminal TABT or TABS on outdoor power circuit board Refer to 8 6 Check connection of the CNDC connector on the outdoor power circuit board Refer to 8 6 Check connection of reactor DCL...

Страница 13: ...or F5 Check linear expansion valve Refer to 8 5 Replace outdoor controller board Case U2 High discharging temperature 1 Abnormal if discharge temperature thermistor TH4 detects 125 or 110 continuously for 5 minutes Abnormal if during defrosting and dis charge temperature thermistor TH4 detects 110 continuously for 30 minutes Overheated compressor operation caused by insufficient refrigerant Defect...

Страница 14: ...U4 Open short of outdoor unit thermistors TH3 TH32 TH6 TH7 and TH8 Abnormal if open or short is detected during compressor operation Open detection of thermistors TH3 TH32 and TH6 is not detected for 10 seconds to 10 minutes after compressor starting and 10 minutes after and during defrosting Check which unit has abnormality in its thermistor by switching the mode of SW2 Refer to 8 7 Check connect...

Страница 15: ...or equal to 6A Check U9 error detail SW2 all ON Refer to 8 7 Decrease of power supply voltage Disconnection of compressor wiring Disconnection or loose connec tion of CN52C Defective ACT module Defective ACT module drive circuit of outdoor power circuit board Disconnection or loose connec tion of CNAF Defective 52C drive circuit of outdoor controller circuit board Disconnection or loose connection...

Страница 16: ...wer supply Correct the wiring U V W phase to com pressor Refer to 8 6 Outdoor power circuit board Check outdoor fan Solve short cycle Replace outdoor controller circuit board Check compressor Refer to 8 4 Before the replacement of the outdoor controller circuit board disconnect the wiring to compressor from the outdoor power circuit board and check the output voltage among phases U V W during test...

Страница 17: ...g and 3minutes after and during defrosting Disconnection or contact failure of connector 63HS on the outdoor controller circuit board Defective pressure sensor Defective outdoor controller circuit board Check connection of connector 63HS on the outdoor controller circuit board Check breaking of the lead wire for thermistor 63HS Check pressure by microcomputer Pressure sensor 63HS SW2 Refer to 8 7 ...

Страница 18: ...tion TH32 3 2 Heating mode exclude defrosting During compressor operation TH32 10 3 Defrosting mode During compressor operation TH32 0 Thermistor TH32 Inlet water temperature Reduced water flow Clogged filter Leak of water Low temperature Low load Low temperature inlet water Defective water pump Leakage or shortage of refrigerant Check water piping Check water pump Check intake superheat Check lea...

Страница 19: ...H7 TH32 TH8 Abnormal Open or short Normal Red White Red Orange Brown Yellow Brown Blue Abnormal 46 4 Measure the resistance between the terminals using a tester At the ambient temperature of 20 Solenoid valve coil Four way valve 21S4 Compressor MC Linear expansion valve LEV A LEV B Normal Abnormal Open or short Open or short Measure the resistance between the terminals using a tester At the ambien...

Страница 20: ...an motor connector CNF1 Wiring recovery END END Replace fan motor Replace outdoor controller circuit board Replace outdoor control circuit board Replace outdoor control circuit board Replace fan motor Replace fan motor Check fan motor rotation Check fan motor rotation Is the voltage normal Is the fuse normal Is there no contact failure Check fuse F5 on outdoor control circuit board Yes No No Yes Y...

Страница 21: ...hermistor R50 17k 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 Heatsink TH8 20 250k 30 160k 40 104k 50 70k 60 48k 70 34k 80 24k 90 17 5k 100 13 0k 110 9 8k High temperature thermistor Thermistor Discharge pipe TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 200 1...

Страница 22: ...e thermistor Thermistor Inlet water TH32 0 15k 10 9 6k 20 6 3k 25 5 1k 30 4 2k 40 2 9k Thermistor R0 15k 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 ...

Страница 23: ...d 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 Noise 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 2 1 Red Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A LEV B DC12V Outdoor controller board Drive circui...

Страница 24: ...Be sure to attach the stopper to pipe B B A 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 pipe B At this time be careful that stress is not added to lead wire and main body is not wounded by lead wire If the stopper is not fir...

Страница 25: ...M CN3S Connect to interface circuit board CNIF1 7 7KHUPLVWRU LVFKDUJH 7 7KHUPLVWRU LTXLG WHPSHUDWXUH 7 PELHQW WHPSHUDWXUH 7 7KHUPLVWRU Plate Hex liquid WHPSHUDWXUH CNDC DC280V 380V RQQHFW IURP outdoor power circuit board VCC 7 67 32 17 YROWDJH EHWZHHQ SLQV RI 9 VDC 7 67 32 17 YROWDJH EHWZHHQ SLQV RI DC280V 380V VFG 7 67 32 17 YROWDJH EHWZHHQ ULJKW pins of PC5D pin 3 and pin 4 VSP 7 67 32 17 YROWDJ...

Страница 26: ...the earth LI NI Voltage of 220 240V AC is input Connect to the terminal block TB1 CN5 Input current Connect to the outdoor power circuit board CN5 LO NO Voltage of 220 240V AC is output Connect to the outdoor power circuit board TABS TABT Outdoor noise filter circuit board E2 Connect to the earth ...

Страница 27: ...CN5 CNDC 280 380V DC Connect to the outdoor controller circuit board TABS TABT Connect to the outdoor noise filter circuit board Voltage among phases 220 240V AC Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken 1 Check of diode b...

Страница 28: ...oard CNIF3 Input signal Connect to the terminal block TB2 TB3 CNIF1 Connect to the outdoor controller circuit board CNIF2 Connect to the outdoor controller circuit board CNIF4 Output signal Connect to the terminal block TB3 ...

Страница 29: ...utdoor power circuit board TABN1 L1 L2 Connect to the DCL Reactor Connect to the outdoor power circuit board TABP1 I0 Connect to the outdoor power circuit board TABN2 N1 Non connect P Connect to the outdoor power circuit board TABP2 N2 Non connect ...

Страница 30: ...splayed while error is being postponed 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F5 63H connector yellow is open Display Inspection unit 0 Outdoor unit Display Contents to be inspected During operation U1 U2 U3 U4 U5 U6 U7 U8 U9 Ud UF UH UP P6 P8 UE PE Ed Abnormal high ...

Страница 31: ...When it is 100 hours or more hundreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 secs 0 5secs 2 secs 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 50 LEV A opening pulse 0 500 0 50 to round off at decimal point 0 500 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example W...

Страница 32: ... is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 secs 0 5secs 2 secs A Code display Code display 0 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 0 999 0 999 When it is 100 minutes or more the hundreds digit tens digit and ones digit are dis...

Страница 33: ...5 1 ON 2 3 4 5 6 Step 1 ON 2 3 4 5 6 Requested capacity step QSTEP 0 7 0 7 Ambient temperature TH7 39 88 39 88 When the temperature is 0 or less and temperature are displayed by turns 1 ON 2 3 4 5 6 Outdoor heatsink temperature TH8 40 200 40 200 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 ...

Страница 34: ... Power PCB Power PCB Control PCB Control PCB Code 00 01 02 04 20 Code display Deferred error history 2 of outdoor unit Deferred error code display Blinking being deferred Lighting deferment cancelled 00 is displayed in case of no deferment Code display Deferred error history 3 of outdoor unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Deferred error code display Blinking being deferred Lighting deferment cance...

Страница 35: ... ON 2 3 4 5 6 15 1 ON 2 3 4 5 6 Pulse LEV A opening pulse when error occured 0 500 0 500 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 130 pulse 0 5 secs 0 5secs 2 secs Water inlet temperature TH32 when error occured 0 100 0 100 30 1 1 ON 2 3 4 5 6 Plate HEX liquid pipe temperature TH6 when error occured 39 88 39 88 When the temperature i...

Страница 36: ...1 ON 2 3 4 5 6 Minute Hz 15 1 15 4 1 05 1 ON 2 3 4 5 6 Error details No error Over voltage Insufficient voltage Input current sensor error ACTM error Cause 㧙 Power PCB Power PCB Control PCB Control PCB Code 00 01 02 04 20 U9 Error details To be shown while error call is deferred Code display 1 ON 2 3 4 5 6 Compressor frequency control status The following code will be a help to know the operat ing...

Страница 37: ... Always 2 Cooling only Heating only or Reversible Cooling only or Heating only Reversible OFF To select Cooling only Heating only or Reversible Always 3 To fix operation mode Cooling only Heating only OFF To fix as Cooling Only or Heating Only Always Important Note All these dip switches on PUHZ W90VHA are set as shown above Spare PCBs however will be supplied without any settings which means that...

Страница 38: ...igure 1 2 Remove the top panel See figure 1 3 Disconnect the connecting wires from terminal block 4 Remove all the following connectors from controller circuit board fan motor linear expansion valve x2 thermistor Liquid pipe thermistor Discharge thermistor Plate HEX Liquid thermistor Outdoor ambient high pressure sensor high pressure switch four way valve and bypass valve Then remove a screw 4x8 f...

Страница 39: ...ince they are combined together Refer to No 4 above to remove thermistor Plate HEX Liquid 6 Removing the thermistor Liquid pipe TH3 and thermistor Discharge TH4 1 Remove the service panel See figure 1 2 Disconnect the connectors TH3 white and TH4 white on the controller circuit board 3 Loosen the clamps for the lead wire 4 Pull out the thermistor Liquid pipe TH3 See photo 4 and thermistor Discharg...

Страница 40: ...unit and remove the right side panel 6 Remove the solenoid valve coil Four way valve See photo 8 7 Recover refrigerant 8 Remove the welded part of four way valve Note 1 Recover refrigerant without letting it out in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the four way valve make sure to cover it with a wet cloth to prevent it from...

Страница 41: ...rant without letting it out in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch make sure to cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 13 Removing the high pressure sensor 63HS 1 Remove the service panel See figure 1 2 Remov...

Страница 42: ... 3 6 Remove 3 screws 4x10 and remove the stay See photo 9 7 Remove 3 screw 5x10 in the rear of the unit and remove the right side panel 8 Recover the refrigerant 9 Remove 2 welded pipes of receiver 10 Remove 2 receiver leg fixing screws 4x10 then remove the receiver Note 1 Recover refrigerant without letting it out in the air 16 Removing the plate heat exchanger 1 Remove the service panel See figu...

Страница 43: ...rd from the electrical parts box 3 supports and 4 screws 2 screws 3x12 2screws 4x18 21 Removing the active filter module ACTM Figure 2 Photo15 1 Remove CN2 CN4 CNDC lead wire connectors from con troller circuit board C B 2 Remove LO NO CN5 lead wire connectors from noise filter circuit board N F 3 Remove 4 screws 4x10 for fixing the C B base and detach the C B base from the electrical parts box 4 ...

Страница 44: ...ARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Aug 2007 No OCH419 PDF 8 Made in Japan New publication effective Aug 2007 Specifications subject to change without notice ...

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