Mitsubishi Electric PLFY-P100VAM Service Manual Download

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TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Indoor unit
[Model names]

[Service Ref.]

PLFY-P80VAM

PLFY-P80VAM.UK

PLFY-P100VAM

PLFY-P100VAM.UK

PLFY-P125VAM

PLFY-P125VAM.UK

No. OC213

INDOOR UNIT

Ceiling Cassettes

Series PLFY

CONTENTS

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

2. PART NAMES AND FUNCTIONS·········5

3. SPECIFICATION ···································7

4. 4-WAY AIR FLOW SYSTEM ·················8

5. OUTLINES AND DIMENSIONS ··········12

6. WIRING DIAGRAM ·····························13

7. REFRIGERANT SYSTEM DIAGRAM····14

8. TROUBLE SHOOTING ·······················15

9. DISASSEMBLY PROCEDURE ···········20

10. PARTS LIST ········································23

11. OPTIONAL PARTS ·····························26

R407C

R22

No. OC213

OC213--1.qxp 8/30/00 5:39 PM Page 1

Summary of Contents for PLFY-P100VAM

Page 1: ...25VAM PLFY P125VAM UK No OC213 INDOOR UNIT Ceiling Cassettes Series PLFY CONTENTS 1 SAFETY PRECAUTION 3 2 PART NAMES AND FUNCTIONS 5 3 SPECIFICATION 7 4 4 WAY AIR FLOW SYSTEM 8 5 OUTLINES AND DIMENSIONS 12 6 WIRING DIAGRAM 13 7 REFRIGERANT SYSTEM DIAGRAM 14 8 TROUBLE SHOOTING 15 9 DISASSEMBLY PROCEDURE 20 10 PARTS LIST 23 11 OPTIONAL PARTS 26 R407C R22 No OC213 ...

Page 2: ......

Page 3: ...ters the refrigerant cycle deterioration of the oil and compressor trouble may result Use Suniso 4GS or 3GS small amount as the lubricating oil to coat flares and flange connection parts The lubricating oil used with the air conditioner is highly hygroscopic If it is used water may be mixed in and deterioration of the lubricating oil may result Use liquid refrigerant to charge the system If gas re...

Page 4: ...t recovery equipment 2 Notice on repair service After recovering all the refrigerant in the unit work may be started Do not release the refrigerant in the air After completing the repair service recharge the system with the specified amount of the liquid refrigerant 3 Refrigerant recharging 1 Refrigerant recharging process Direct charging from the cylinder Confirm that the cylinder is suitable for...

Page 5: ...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 TEST RUN button This switches the horizontal fan motion ON and OFF This button does not operate on this model LOUVER button This adjusts the vertical angle of the ventilation AIR DIRECTION button This resets the filter service in...

Page 6: ... blow DEFROST display This indicates when the defrost oper ation 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 setting button The start time or stop time is always displayed during the timer operation Display In this d...

Page 7: ...n Dimensions Grille Height Width Depth Electric characteristic Power supply input Cooling Heating Cooling Heating Cooling Heating Rated current Power factor PLFY P80VAM UK PLFY P100VAM UK PLFY P125VAM UK Single phase 220V 240V 50 Hz 8 000 31 800 9 3 9 000 35 800 10 5 0 18 0 18 0 86 0 86 95 87 95 87 10 000 39 600 11 6 11 200 44 500 13 0 0 30 0 30 1 43 1 43 95 87 95 87 12 500 49 700 14 5 14 000 55 6...

Page 8: ...0W D176P120MS 6 pole OUTPUT 70W D17B6P70MS MSBPC20M04 DC12V 300 phase PLD 12230ME 1 INPUT 12 10 8W 24R Hr Thermistor resistance 0 6k 10 3 9k 20 2 6k 25 2 2k 30 1 8k 40 1 3k DC12V Stepping motor drive Port dimension 5 2 0 2000pulse EDM 804ME OFF 130 i 5 ON 90 i 20 3 5 440V 7 0 440V 4 4 WAY AIR FLOW SYSTEM 4 1 Placement of the air outlets For this grille the discharge direction comes in 11 patterns ...

Page 9: ...B on the indoor board to the appropriate setting Correspondence of ceiling heights to numbers of air outlets Fresh air intake hole Fresh air intake hole diagram 3 2 8 Burring hole 125 Burring hole pitch 100 Cut out hole Refrigerant pipe Drain pipe Ceiling surface 120_ 1 2 0 _ w158 4 3 Interlocking operation method with duct fan Booster fan Whenever the indoor unit is operating the duct fun also op...

Page 10: ...ector with vinyl tape Vane motor Horizontal vane Connector Unlocking button Vane motor 3 The vane angle can be fixed by turning the vane by hand The vane should remain within the angles shown in the table below Measured standard position of the grille Horizontal vane Standard of horizontal position Dimension A mm 26 29 33 37 Level 30 Min Downward 45 Downward 55 Downward 70 Max w Dimension between ...

Page 11: ...asement High efficiency filter Taking air into the unit Multifunction casement Standard filter Multifunction casement High efficiency filter Taking air into the unit 4 5 Fresh air intake amount static pressure characteristics Q 0 B A C 1 Curve in the left graphs Duct characteristics at site Q A E C 2 Q Qa A D 3 Q Planned amount of fresh air intake A Static pressure loss of fresh air intake duct sy...

Page 12: ...nsion bolt M10 or W3 8 Control wire entry Feeding hole Drain pump 577 374 286 840 197 159 60 17 5 0 135 30 190 159 605 159 192 170 140 50 70 98 89 C 840 860 910 20 45 20 45 20 45 20 45 Fresh air intake Branch duct hole 860 910 810 159 16 105 A B 77 51 M M M 1 2 M 950 51 77 950 577 411 Terminal block Detail drawing of fresh air intake 175 150 14 2 8 Burring hole 3 2 8 Burring hole 100 Cut out hole ...

Page 13: ...VAM UK P100VAM UK P125VAM UK Fig w1 NOTE 1 At servicing for outdoor unit always follow the wiring diagram of outdoor unit 2 Symbol S of TB5 is the shield wire connection 3 Symbols used in wiring diagram above are Terminal block Connector 4 The setting of the SW2 dip switches differs in the capacity for the detail see the fig w1 5 Please set the switch SW5 according to the power supply voltage Set ...

Page 14: ...or TH21 Gas pipe thermistor TH23 Liquid pipe thermistor TH22 Linear expansion valve Gas pipe Liquid pipe Flare connection PLFY P80VAM UK PLFY P100VAM UK PLFY P125VAM UK Gas pipe Liquid pipe PLFY P80VAM UK 15 88 5 8F 9 52 3 8F 19 05 3 4F 9 52 3 8F Item Service Ref PLFY P100VAM UK PLFY P125VAM UK Refrigeration pipe size Flare connection size ...

Page 15: ...ane motor Linear expansion valve Drain pump Drain sensor Refer to the thermistor Refer to the thermistor Room temperature thermistor TH21 Liquid pipe thermistor TH22 Gas pipe thermistor TH23 1 2 Yellow Yellow 1 2 3 Normal 4 3k 9 6k Abnormal Open or short Abnormal Open or short Normal 0 6k 6 0k Abnormal Open or short Normal 150k 1 5 White Red 2 6 Yellow Brown 3 5 Orange Red 4 6 Blue Brown Normal Co...

Page 16: ...R0 6 0k 5 Fixed number of B 3390k 2 Rt 15exp 3390 0 6 0k 10 3 9k 20 2 6k 25 2 2k 30 1 8k 40 1 3k Thermistor for lower temperature Linear expansion valve Operation summary of the linear expansion valve Linear expansion valve open close 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 Co...

Page 17: ...ll the way It is not necessary to exchange the linear expansion valve if the leakage is small and not making any trouble Thermistor Liquid pipe 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 con nector Exchange t...

Page 18: ... angle Vane cooling limit angle setting w4 Heat 4degrees up Superheat setting temperature w5 Sub cool setting temperature Heat pump Not available Not available Not available First setting Down A B C Not effective Effective 6 2 degrees 10degrees 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 5 SW3 Function Selection SW4 Unit Selection Indoor linear expa...

Page 19: ...elements multi function casement to the unit be sure to attach it to the option side in order to prevent the airflow reducing This is the switch to be used when the indoor unit is operated with R2 series outdoor unit as a set If the unit is used at the 230V or 240V area set the voltage to 240V If the unit is used at the 220V set the voltage to 220V Remarks At delivery Address board At delivery Add...

Page 20: ... the vane motor from the clamp and disconnect the white connector 10P 3 Remove the room temperature thermistor with the holder 4 Remove the bell mouth See photo 2 5 Disconnect the relay connector in the electrical box Red 3P for fan motor power supply White 2P for pipe temperature detection liquid thermistor Black 2P for pipe temperature detection gas thermistor Blue 2P for drain pump White 3P for...

Page 21: ...the oval holes have different diame ters 3 Rotate the panel a little to remove the panel Photo 7 Photo 6 Photo 5 5 Remove the fan motor 1 Remove the fan guard See photo 1 2 Remove the bell mouth See photo 2 3 Remove the electrical box See photo 3 4 Remove the turbo fan nut washer and radiation cap P100 P125 5 Pull out the turbo fan 6 Disconnect the connector of the fan motor lead wire 7 Remove the...

Page 22: ...t 10 Remove the 2 screws of the coil 11 Pull out the heat exchanger 9 Removing the drain pump and drain sensor 1 Remove the panel See photo 6 2 Remove the fan guard See photo 1 3 Remove the bell mouth See photo 2 4 Remove the electrical box See photo 3 5 Remove the drain pan See photo 7 6 Remove the 3 screws of the drain pump 7 Cut the drain hose band pull out the drain hose from the drain pump 8 ...

Page 23: ...NTROLLER No Part No Part Name Specification Q ty set Price Unit Amount Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty PLFY P80 P100 P125 VAM UK S70 E10 003 S70 E00 002 S70 E01 638 S70 E00 638 S70 E00 500 S70 E00 691 S70 E00 223 S70 E00 063 S70 E00 040 S70 E01 040 S70 E01 673 1 2 3 4 5 6 7 8 9 10 12 Part numbers that is circled is not shown in the figure PANEL PARTS PLFY P80VAM UK PLFY ...

Page 24: ...ERMISTOR GAS LINEAR EXPANSION VALVE No Part No Part Name Specification Q ty set Price Unit Amount Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty PLFY VAM UK P80 P100 P125 S70 003 687 S70 005 688 S70 007 688 S70 006 688 S70 008 688 S70 E01 130 S70 E02 130 S70 E00 130 S70 E06 762 S70 E07 762 S70 A41 105 S70 E00 659 S70 E02 659 S70 E00 114 S70 E01 114 S70 08K 097 S70 E15 480 S70 E17 480 S...

Page 25: ...STOR ROOM ELECTRICAL BOX COVER TERMINAL BLOCK POWER TERMINAL BLOCK TRANSMISSION CAPACITOR CAPACITOR CORNER COVER DRAIN PLUG DRAIN PLUG ADDRESS BOARD ADDRESS CABLE 250V 6 3A 1050XAP 3P L N 3P M1 M2 S 3 5 440V 7 0 440V No Part No Part Name Specification Q ty set Price Unit Amount Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty PLFY VAM UK P80 P100P125 S70 E02 529 S70 E00 529 S70 A41 523 S...

Page 26: ...TS 11 1 Multi function casement Part No PAC SG03TM E 11 2 Air outlet shutter plate 20sets 2pcs 1set Part No PAC SG06SP E 11 3 High efficiency filter PAC SG03TM E is required in using this optional part Part No PAC SG01KF ...

Page 27: ......

Page 28: ...UNOUCHI TOKYO100 8310 TELEX J24532 CABLE MELCO TOKYO cCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Aug 2000 No OC213 225 Printed in Japan New publication effective Aug 2000 Specifications subject to change without notice ...

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