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TECHNICAL & SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES .........................2
2. SAFETY PRECAUTION ..........................2
3. PART NAMES AND FUNCTIONS ..........6
4. SPECIFICATION ...................................14
5. OUTLINES AND DIMENSIONS ............16
6. WIRING DIAGRAM ...............................17
7. REFRIGERANT SYSTEM DIAGRAM ........19
8. TROUBLESHOOTING ..........................19
9. DISASSEMBLY PROCEDURE .............27

Indoor unit

[Model names] 

[Service Ref.]

PKFY-P63VKM-E.TH
PKFY-P63VKM-ER1.TH
PKFY-P100VKM-E.TH
PKFY-P100VKM-ER1.TH

No. OCH447

REVISED EDITION-B

INDOOR UNIT

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Note:

 This manual describes only 

service data of the indoor 

units.

 RoHS compliant products 

have <G> mark on the spec 

name plate.

December  2012

PARTS CATALOG (OCB447)

Revision:

 PKFY-P63/100VKM-ER1.TH

have been added in 

REVISED EDITION-B.

 Some descriptions have 

been modified.

 Please void OCH447 

REVISED EDITION-A.

PKFY-P63VKM-E

PKFY-P100VKM-E

R407C R22

R410A

Содержание PKFY-P100VKM-E.TH

Страница 1: ...Y P63VKM E TH PKFY P63VKM ER1 TH PKFY P100VKM E TH PKFY P100VKM ER1 TH No OCH447 REVISED EDITION B INDOOR UNIT SPLIT TYPE HEAT PUMP AIR CONDITIONERS Note This manual describes only service data of the indoor units RoHS compliant products have G mark on the spec name plate December 2012 PARTS CATALOG OCB447 Revision PKFY P63 100VKM ER1 TH have been added in REVISED EDITION B Some descriptions have ...

Страница 2: ... and performance may drop Do not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may cause the lubricant deterioration Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the lubricant deterioration If dust dirt or water enters the refrigerant cycle deterioration of the oi...

Страница 3: ...igerant Gravimeter Unit 1 Cautions for service After recovering the all refrigerant in the unit proceed to working Do not release refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant No Tool name Specifications 1 Gauge manifold Only for R407C Use the existing fitting SPECIFICATIONS UNF7 16 Use high tension side pressure of 3 ...

Страница 4: ...efrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc Do not use the existing refrigerant piping The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubricant deterioration of the new unit Use low residual o...

Страница 5: ... the cylinder of syphon stood vertically Refrigerant is 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 existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance of 5 ...

Страница 6: ...6 3 1 Indoor unit 3 PART NAMES AND FUNCTIONS Emergency operation switch Front grille Air inlet Filter Air outlet Louver Vane OCH447B ...

Страница 7: ... error ON OFF lamp Main display Press to change the operation mode Main menu Press to move the cursor down Function button F1 Main display Press to decrease temperature Main menu Press to move the cursor up Function button F2 Main display Press to increase temperature Main menu Press to go to the previous page Function button F3 Main display Press to change the fan speed Main menu Press to go to t...

Страница 8: ...ON OFF operation is centrally controlled Appears when the operation mode is centrally controlled Appears when the preset temperature is centrally controlled Appears when the f lter reset function is centrally controlled Indicates when f lter needs maintenance Current room temperature appears here Room temperature See the Installation Manual Appears when the buttons are locked Appears when the On O...

Страница 9: ...er Vent Lossnay High power Weekly timer Restriction Maintenance Initial setting On Off timer Auto Off timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contrast Display details Auto mode Administrator password Language selection Service Service menu Input maintenance info Function setting Lossnay City Multi only Check Self check Maintenance password Remote controller ch...

Страница 10: ...operate at the preset temperature after performing energy save operation for a specif ed time period Time can be set to a value from 30 and 120 in 10 minute increments This function will not be valid when the preset temperature ranges are restricted Schedule Set the start stop times to operate the units in the energy save mode for each day of the week and set the energy saving rate Up to four ener...

Страница 11: ...ance Select Input maintenance Info from the Service menu to bring up the Maintenance information screen The following settings can be made from the Maintenance Information screen Model name input Serial No input Dealer information input Function setting Make the settings for the indoor unit functions via the remote controller as necessary LOSSNAY setting City Multi only This setting is required on...

Страница 12: ...display range is 8 39 The display blinks if the temperature is less than 8 or 39 or more Louver display Indicates the action of the swing louver Does not appear if the louver is not running Power On indicator Indicates that the power is on Fan Speed indicator Shows the selected fan speed Ventilation indicator Appears when the unit is running in Ventilation mode Operation Section Temperature settin...

Страница 13: ...ays the current time display Displays the order of timer operation display Displays whether timer is on or off If the outdoor unit is cool only type the heating and auto mode are not available Buttons used to set the hour and minute of the current time and timer settings h and min buttons display display FAN SPEED display indicates which fan speed has been selected display The vertical direction o...

Страница 14: ...meter of refrigerant pipe Field drain pipe size Standard attachment Optional parts Remark Power input Current input Power input Current input Type x Quantity External static press Motor type Motor output Driving mechanism Airflow rate Low High Liquid Gas Document Accessory Drain pump kit Installation kW kcal h Btu h kcal h kW A kW kcal h Btu h kW A mm in kg lb Pa mmH2O kW m3 min L s cfm dB A mm in...

Страница 15: ...pressure 0Pa Power source 220 230 240V 50Hz 220V 60Hz PKFY P100VKM E TH PKFY P100VKM ER1 TH External static pressure 0Pa Power source 220 230 240V 50Hz 220V 60Hz Measured in anechoic room PKFY P100VKM E TH PKFY P100VKM ER1 TH 41 49 PKFY P63VKM E TH PKFY P63VKM ER1 TH 39 45 Sound level dB A Sound level at anechoic room Low High 1 0m 1 0m Measurement location 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 ...

Страница 16: ...ck for MA remote controller Emergency operation switch cooling heating Operation lamp DEFROST STAND BY lamp Receiver Knockout hole for right piping Mount board Right side 444 Gas pipe 482 Liquid pipe 585 Drain hose Filter hook Under side Vane auto Knockout hole for lower piping Louver manual Piping connection department Indoor unit outline Wall hole for right rear piping Knockout hole for left rea...

Страница 17: ...are terminal block connecter 6 The setting of the SW2 dip switches differs in the capacity For the detail refer to fig 1 Mark Meaning Function Power supply for MA Remote controller Main power supply Indoor unit 220 240V Power on Iamp is lit LED on indoor board for service LED1 Main power supply Power supply for MA Remote controller on Iamp is lit LED2 MS 3 M 1 MF DP RED BLU BLK BLU RED GRN YLW L N...

Страница 18: ...aning Function Power supply for MA Remote controller Main power supply Indoor unit 220 240V Power on Iamp is lit LED on indoor board for service LED1 Main power supply Power supply for MA Remote controller on Iamp is lit LED2 FAN CNMF WHT 1 6 3 MS 3 M 1 M VANE CN151 WHT 5 1 LEV CN60 YLW 6 6 1 CNRU WHT LDSWE A BLU 6 1 3 3 1 5 1 5 1 4 1 4 1 2 1 2 1 3 1 4 1 8 1 1 3 5 1 1 3 1 2 1 2 3 4 5 6 7 8 SW3 1 2...

Страница 19: ...mal 1 5 White Red 2 6 Yellow Brown 3 5 Orange Red 4 6 Blue Brown Open or short Measure the resistance between the terminals with a tester Coil temperature 20 Normal 250 7 Abnormal Brown Red Brown Orange Brown Yellow Brown Green Open or short Fan motor MF Red Yellow Brown Orange Green Connect pin No M 1 2 3 4 5 6 LEV White Yellow Orange Blue Red Brown CN60 Refer to 8 1 3 Strainer 50mesh Strainer 10...

Страница 20: ... 3 Fixed number of B 3480 2 Rt 15exp 3480 0 15k 10 9 6k 20 6 3k 25 5 4k 30 4 3k 40 3 0k Thermistor for lower temperature 1 Operation summary of the linear expansion valve Linear expansion valve opens closes through stepping motor after receiving the pulse signal from the indoor controller board Valve position can be changed in proportion to the number of pulse signal Connection between the indoor ...

Страница 21: ...while the signals are output or keeps lighting even after the signals stop Countermeasures Exchange the indoor con troller board in case of drive circuit failure Linear expansion valve mechanism is locked Valve does not close completely Wrong connection of the connector or contact failure To check the linear expansion valve operate the indoor unit in fan mode and at the same time operate other ind...

Страница 22: ...he fan connector VCC DC15V Wiring recovery Replace the indoor controller board Replace the fan motor Replace the indoor controller board Replace the fan motor Is the voltage normal Is there contact failure No Yes No Check the operation of fan END Yes OK Check the operation END OK Check method of DC fan motor fan motor indoor controller circuit board Sensor signal check Measure the voltage between ...

Страница 23: ...code Before power supply ON Before power supply ON switch SW1 Mode Effective timing Under suspension selection Switch Pole Function Operation by switch Remarks Built in remote controller Indoor unit Changing the opening of linear expansion valve during thermo OFF 1 SW1 7 OFF ON OFF ON SW1 8 OFF OFF ON ON Fan speed Extra low Low Setting air flow Stop 2 It is impossible to intake the fresh air Initi...

Страница 24: ... setting for J41 J42 of indoor controller board and the Pair No of wireless remote controller You may not set it when operating it by one remote controller Setting for indoor unit Cut jumper wire J41 J42 on the indoor controller board according to the table below Wireless remote controller pair number Setting operation 1 Press the SET button using a pointed implement Check that the remote controll...

Страница 25: ... TB5 M NET transmission connecting wire 24 30VDC non polar Power supply from outdoor unit SW3 Function setting CN2G Pipe temperature thermistor Gas2 TH24 CN4F Drain float switch FS CN60 Liner expansion valve LEV output 12VDC pluse output CNRU Connect to the wire less remote controller board W B CN151 Vane motor output 12VDC pluse CNP Drain pump output DP 1 3 220 240VAC FUSE 3 15A 250V CNMF Connect...

Страница 26: ...P100VKM ER1 TH SW1 Function setting SW12 Address setting 10ths DIGIT SW11 Address setting 1s DIGIT 8 3 2 Wireless remote controller board PKFY P63VKM E TH PKFY P63VKM ER1 TH PKFY P100VKM E TH PKFY P100VKM ER1 TH LD101 Connect to the indoor controller board I B SW14 Branch No OCH447B ...

Страница 27: ...re 1 2 Remove the screw and hook of address board case See Photo 2 3 Disconnect the connectors of address board 4 Remove the front and side electrical box covers each 1 screw 5 Disconnect the connectors on the indoor controller board See Photo 3 6 Remove the switch board holder and open the cover 7 Pull out the indoor controller board toward you then remove the indoor controller board and switch b...

Страница 28: ...with VANE and VANE MOTOR AND DRAIN HOSE 1 Remove the panel and corner box Refer to procedure 1 2 Remove the electrical box covers Refer to procedure 2 3 Disconnect the vane motor connector CN151 on the indoor controller board 4 Pull out the drain hose from the nozzle assembly and remove nozzle assembly See Photo 5 Photo 4 Connect for ground Photo 5 Photo 6 Fixture Electrical box 5 REMOVING THE VAN...

Страница 29: ...3 screws fixing the left side of the heat exchanger See Photo 9 10 Lift the heat exchanger and pull out the line flow fan to the lower left Photo 7 7 REMOVING THE LIQUID PIPE THERMISTOR AND GAS PIPE THERMISTOR 1 Remove the panel and the corner box Refer to proce dure 1 2 Remove the electrical box covers Refer to procedure 2 3 Remove the water cut See Photo 2 4 Remove the liquid pipe thermistor and...

Страница 30: ...ISTOR 1 Remove the panel and corner box Refer to procedure 1 2 Remove the electrical box covers Refer to procedure 2 3 Remove the room temperature thermistor 4 Disconnect the connector CN20 on the indoor controller board Photo 11 Photo 12 Indoor controller board Room temp thermistor TH21 Photo 13 Heat exchanger Water cut LEV Connect for ground Heat exchanger LEV Copyright 2008 MITSUBISHI ELECTRIC ...

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