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TECHNICAL & SERVICE MANUAL

SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS

Indoor unit

PLFY-P32VKM

PLFY-P32VKM.UK

PLFY-P40VKM

PLFY-P40VKM.UK

PLFY-P50VKM

PLFY-P50VKM.UK

PLFY-P63VKM

PLFY-P63VKM.UK

No. OC204

[Model names]

INDOOR UNIT

Ceiling Cassettes

Series PLFY

CONTENTS

1. SAFETY PRECAUTION ·······················3

2. PART NAMES AND FUNCTIONS ········4

3. SPECIFICATIONS·································6

4. OUTLINES AND DIMENSIONS············8

5. WIRING DIAGRAM·······························9

6. REFRIGERANT SYSTEM DIAGRAM ···10

7. TROUBLE SHOOTING ·······················11

8. DISASSEMBLY PROCEDURE···········16

9. PARTS LIST········································19

R407C

[

Service Ref.]

R22

Содержание PLFY-P32VKM

Страница 1: ...Y P50VKM UK PLFY P63VKM PLFY P63VKM UK No OC204 Model names INDOOR UNIT Ceiling Cassettes Series PLFY CONTENTS 1 SAFETY PRECAUTION 3 2 PART NAMES AND FUNCTIONS 4 3 SPECIFICATIONS 6 4 OUTLINES AND DIMENSIONS 8 5 WIRING DIAGRAM 9 6 REFRIGERANT SYSTEM DIAGRAM 10 7 TROUBLE SHOOTING 11 8 DISASSEMBLY PROCEDURE 16 9 PARTS LIST 19 R407C Service Ref R22 ...

Страница 2: ......

Страница 3: ...o not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may cause the refrigerator oil to deteriorate Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the refrigerator oil to deteriorate Use ester oil ether oil or alkyl benzene small amount as the refrigerator oil to coat...

Страница 4: ...etting range Cooler 19 to 30 Heater 17 to 28 TEMP ADJUSTMENT button This switches between continuous operation and the timer operation TIMER button This switches between the operation and stop modes each time it is pressed The lamp on this button lights during operation ON OFF button Only press this button to perform an inspection check or test operation Do not use it for normal operation CHECK TE...

Страница 5: ... from the time the sleep operation starts until the heating air is discharged DEFROST display This indicates when the defrost operation is performed CHECK display This indicates when a malfunction has occurred in the unit which should be checked CLOCK display The current time start time and stop time can be displayed in ten second intervals by pressing the time switch button The start time or stop...

Страница 6: ...g capacity F a n Dimensions Height Width Depth Electric characteristic Power supply Cooling Heating Cooling Heating Cooling Heating Starting current Power factor PLFY P32VKM UK PLFY P40VKM UK PLFY P50VKM UK PLFY P63VKM UK Single phase 220V 240V 50 Hz 3 150 12 500 3 7 3 550 14 100 4 1 0 13 0 13 0 60 0 60 90 90 16 15 14 13 37 35 5 34 32 15 14 5 14 13 12 7 1 2 6 35 1 4 35 34 32 5 31 17 16 15 14 39 38...

Страница 7: ...tor Gas pipe thermistor Fan motor capacitor Drain up mechanism Drain sensor Linear expansion valve PLFY P32VKM UK PLFY P40VKM UK PLFY P50VKM UK PLFY P63VKM UK Room temperature thermistor Fuse Indoor controller board Fan motor with inner thermostat inner thermostat Fan motor Vane motor with limit switch Electric heater Dew prevention Power supply terminal block Transmission terminal block 6 pole OU...

Страница 8: ... powersupply Terminal block for control Drain hole Drain hole ID32 VP 25 connection W3 8 Feeding hole Drain pump Leave space of 10 15mm between the top surface of the unit and the ceiling slab Ceiling surface 4 Auto vanes Intake grille opening closing side Vane motor Decorative panel Control wire entry Refrigerant piping side electric wire entry side Power line entry 41 25 Liquid pipe Gas pipe Opt...

Страница 9: ...W PREVENTION HEATER POWER SUPPLY TERMINAL BLOCK TRANSMISSION TERMINAL BLOCK LINEAR EXPANSION VALVE ADDRESS BOARD MODE SELECTOR DS DP MF C MV LS H2 TB2 TB5 LEV A B SW1 A B SW5 A B SW11 A B SW12 A B SW14 A B SWA A B SWB A B SWC A B INDOOR CONTROLLER BOARD CN25 HUMIDIFIER CONNECTOR REMOTE SWITCH CONNECTOR HA TERMINAL A CONNECTOR CENTRALLY CONTROL CONNECTOR REMOTE INDICATION CONNECTOR CAPACITY CORD SW...

Страница 10: ...emparature thermistor TH21 Gas pipe thermistor TH23 Liquid pipe thermistor TH22 Linear expansion valve Gas pipe Flare connection PLFY P32VKM UK PLFY P40VKM UK PLFY P50VKM UK PLFY P63VKM UK Gas pipe Liquid pipe PLFY P32 P40VKM UK 12 7 1 2F 6 35 1 4F PLFY P50 P63VKM UK 15 88 5 8F 9 52 3 8F Item Service Ref ...

Страница 11: ...g a tester Vane motor Fan motor Linear expansion valve Drain up mechanism Drain sensor Refer to the thermistor Refer to the thermistor Room temperature thermistor TH21 Liquid pipe thermistor TH22 Gas pipe thermistor TH23 1 2 3 1 2 3 CNT T CN3T Red Blue Blue White 1 1 2 2 3 3 Red White Black Relay connector Protector 1 2 Gray Gray 1 2 3 4 5 Normal 4 3kΩ 9 6kΩ Abnormal Open or short CNT 1 3 CN3T 1 3...

Страница 12: ...is not necessary to exchange the linear expansion valve if the leakage is small and not making any trouble Liquid pipe thermistor Linear expansion valve Motor will idle and make ticking noise when motor is operated while the linear expansion valve is locked This ticking sound is the sign of the abnormality Check the color of lead wire and missing terminal of the connector Exchange the linear expan...

Страница 13: ...sensor THD Thermistor R0 15k 3 Fixed number of B 3480k 2 Rt 15exp 3480 0 15k 10 9 6k 20 6 3k 25 5 2k 30 4 3k 40 3 0k Thermistor for lower temperature Linear expansion valve Operation summary of the linear expansion valve Linear expansion valve opens closes through a stepping motor after receiving the pulse signal from the indoor controller board Valve position can be changed in proportion to the n...

Страница 14: ...nly Louver Vane Vane swing function Vane horizontal angle Vane cooling limit angle setting Heater 4deg up Superheat setting temperature Superheat setting temperature Heat pump Not available Not available Not available First setting Down B C Not effective Effective 2deg R 22 6deg R407C 10deg 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 SW1 Mode Selection SW2 Capacity code setting 1 6 1 3 SW3 Function ...

Страница 15: ...g on SWB setting Address setting should be done when network remote controller PAR F25MA is being used When attaching the optional high performance filter elements filter casement to the unit be sure to attach it to the option side in order to prevent the air flow reducing This is the switch to be used when the indoor unit is operated with R2 R3 series outdoor unit as a set If the unit is used at ...

Страница 16: ...t the following connectors from the box Red 3P for the fan motor White 2P for the indoor coil thermistor Blue 2P for the drain pump White 4P for the drain sensor 6 Disconnect the green anti falling wire of the electrical parts box 7 Remove 3 of 4 screws from the electrical parts box and loosen the other screw 8 Pull out the electrical parts box Electrical parts inside the box Terminal block Transf...

Страница 17: ...Disconnect the connector the vane motor 3 Remove 4 screws of the panel 4 Pulling the temporary handing hook remove the panel 8 Removing the drain pan 1 Remove the panel 2 Remove the fan guard 3 Remove the rubber bushing 4 Drain the remaining water in the drain pan 5 Remove the electrical box cover 6 Remove the electrical box 7 Remove the screw of the V A cover and remove the V A cover 8 Remove eac...

Страница 18: ... 5 Remove the drain pan 6 Remove the turbo fan 7 Remove the screw of the coil support A 8 Remove 2 screws of the coil support B 9 Remove 2 screws of the coil 10 Remove 4 screws of the piping cover of the outer wall and pull out the piping cover Photo 9 Drain hose Drain pump Drain sensor holder Screw Clip Photo 10 Photo 11 Heat exchanger Coil support B Coil support A Coil screw Screws of piping cov...

Страница 19: ...AIR OUTLET GRILLE AIR FILTER INTAKE GRILLE HINGE GRILLE HANGER REMOTE CONTROLLER REMOTE CONTROLLER CABLE 10m No Part No Part Name Specification Q ty set Price Unit Amount Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty PLFY P32 P40 P50 P63 VKM UK PANEL PARTS PLFY P32VKM UK PLFY P40VKM UK PLFY P50VKM UK PLFY P63VKM UK 7 6 ...

Страница 20: ...20 10 11 12 35 19 28 29 31 32 39 30 24 27 26 25 15 14 7 6 3 4 33 8 9 5 1 2 34 23 22 13 36 38 37 16 21 17 18 20 21 FUNCTIONAL PARTS PLFY P32VKM UK PLFY P40VKM UK PLFY P50VKM UK PLFY P63VKM UK ...

Страница 21: ...AL BLOCK FAN MOTOR CAPACITOR B BOX PLATE ASSY INDOOR CONTROLLER BOARD INDOOR CONTROLLER BOARD INDOOR CONTROLLER BOARD INDOOR CONTROLLER BOARD FUSE TRANSFORMER ROOM TEMPERATURE THERMISTOR ELECTRICAL PARTS COVER BELL MOUTH FAN GUARD NUT WASHER CAP DRAIN PLUG SENSOR HOLDER GAS PIPE THERMISTOR LINEAR EXPANSION VALVE ADDRESS CABLE ADDRESS BOARD PAI V30F L N GND M1 M2 S 2 5µF 400V 250V 6 3A No Part No P...

Страница 22: ...1 MV 3 SET AUTO VANE AIR GUIDE VANE MOTOR SPRING JOINT 1 SPRING JOINT 2 PUSH BUTTON GRILLE GEAR RIGHT GRILLE GEAR LEFT LID UP No Part No Part Name Specification Q ty set Price Unit Amount Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty PLFY P32 P40 P50 P63 VKM UK PANEL PARTS PLFY P32VKM UK PLFY P40VKM UK PLFY P50VKM UK PLFY P63VKM UK ...

Страница 23: ......

Страница 24: ...310 TELEX J24532 CABLE MELCO TOKYO cCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Dec 1999 No OC204 300 Issued in Dec 1999 No OC204 242 Printed in Japan New publication effective Dec 1999 Specifications subject to change without notice TM ...

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