Mitsubishi PCFY-40VGM, PCFY-63VGM, PCFY-100VGM, PCFY-125VGM Service Manual

TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

CONTENTS

1. FEATURES ···········································2

2. PART NAMES AND FUNCTIONS········4

3. SPECIFICATION···································6

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

5. WIRING DIAGRAM·····························12

REFRIGERANT SYSTEM DIAGRAM

···13

7. TROUBLE SHOOTING·······················14

8. DISASSEMBLY PROCEDURE···········19

9. PARTS LIST········································23

PCFY-40VGM PCFY-63VGM PCFY-100VGM PCFY-125VGM

No. OC122

REVISED EDITION-A

1997

Models

INDOOR UNIT

Ceiling Suspended

Series PCFY

Revision

• Parts List has been partially modified.

• Please destroy OC122.

FEATURES

1. AIR OUTLET

New PCFY series models have 1 air outlet (auto vane switching of horizontal air flow / down flow by switched by auto vane) instead of 2 (horizontal, and down frows).

2. EASY TO CLEAN ; FLOCKLESS VANE

With our original air current control mechanism, a flockless vane is newly adapted. The flockless vane prevents the condensation on the vane. By changing the vane to the flockless type, the unit can be cleaned much easier with mild household detergent.

3. NEW MATERIALS FOR BETTER OIL RESISTANCE

We have changed the materials of grill, filer, fan and fan casing from ABS to P.P. (polypropylene) for better oil resistance. As a result, oil crazing is cut in half.

Indoor unit

Ceiling Suspended

Series PCFY

Unifies the air speed with the vane.

Sending the air to the upper area of the vane

Prevents the air comes from outside the unit

Flockless vane

Protruding portion A

Protruding portion B

Air outlet

Cooling capacity / Heating capacity

Models

W Kcal/h PCFY-40VGM 4,700/5,200 4,000/4,500 PCFY-63VGM 7,300/8,300 6,300/7,100 PCFY-100VGM 11,600/13,000 10,000/11,200 PCFY-125VGM 14,500/16,300 12,500/14,000

1 Removed the knockout work by separating the piping space

from the air outlet for efficiency of the piping work.

❈ Knockout work is needed for the top part. When optional

drain-up machine is installed, the refrigerant pipe exits out from the top.

2 Improved the flexibility by making it possible for drainage

pipe to exit not only from the right side back but also from the left side back.

❈ Please move the rubber plug for the unit to the right joint

when drainage pipe exits from the left side.

4. SIMPLIFIED INSTALLATION WORK (DIRECT SUSPENDING METHOD)

Simplified the installation work by changing the suspending method to the direct suspending method (suspending the unit directly from the suspension fixture). In this way, the unit can be attached to the suspension fixture without removing the installation parts off (Only the side cover is removed). This method is much simpler than the ¨One-time installation method¨.

5. IMPROVING EFFICIENCY OF PIPING WORK

U-cut

Back panel

Open

L G D

Side panel

L : Liquid pipe G: Gas pipe D: Drain pipe

6.ADVANCED MICROPROCESSOR [PAR-F25MA]

(1)Easy to use microprocessor

1)Ultra-thin remote controller

The streamlinde,square controller is designed to blend well with any interior.Also,the sophisticated microproceeor allows you to easily carry out a wide range of operations.

2)Attractive liquid crystal display(LCD)

The unit´s operation mode,set temperature,room temperature,timer setting,fan speed,louver oper-ation,and air flow direction are displayed on the remote controller´s easy-to-read Liquid Crystal Dis-play(LCD).

3)Convenient 24-hour ON-OFF timer

The timer switches Mr.SLIM on and off automati-cally at the time you set. Once the timer is set,the remaining time is shown on the LCD.

Rubber plug

Insulation cover (attached)

Drain pipe (purchased locally)

Joint coupliy (attached)

Drain pan

Insulation cover

Band (attached)

PART NAMES AND FUNCTION

● Indoor (Main) Unit

Air outlet

Intake grille

Air intake

Left/right guide vanes

Change the direction of airflow from the horizontal blower.

Long-life fillter

Removes dust and foreigh matter from air coming in through the grille (Recommended cleaning interval : Approx, every 2,500 operating hours)

Up/down guide vanes

Change the direction of airflow from the vartical blower.

● Remote controller

● Operation buttons

[PAR-F25MA]

● Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button.

This switches between continuous operation and the timer operation.

TIMER button

This sets the ventilation fan speed.

AIR SPEED button

Press this button to switch the cooler electronic dry (dehumidify) automatic and heater modes.

OPERATION SWITCH button

This sets the room temparature The temparature setting can be performed in 1°C units

Setting range

Cooler 19°C to 30°C

TEMP ADJUSTMENT button

This sets of switches the current time. start time and stop time.

TIME SETTING button

(This button does not operate in this model)

This switches the horizontal fan motion ON and OFF.

LOUVER button

This swiches between the operation and stop modes each time it is pressed. The lamp on this button lights during operation.

ON/OFF button

This adjusts the vertical angle of the ventilation.

AIR DIRECTION button

Only press this button to perform an inspection check or test operation Do not use it for nomal operation.

CHECK-TEST RUN button

This resets the filter service indication display.

FILTER button

Caution

● Only the Power display lights when the unit is stopped and power supplied to the unit.

● When power is turned ON for the first time the (CENTRAL CTRL) display appears to go off momentarily but this is not a

malfunction.

● When the central control remote control unit, which is sold separately, is used the ON-OFF button, operation switch button and TEMP adjustment button do not operate.

● “NOT AVAILABLE” is displayed when the Air speed button are pressed.This indicates that this room unit is not equipped with the fan direction adjustment function and the louver function.

●When power is turned ON for the first time, it is normal that “HO” is displayed on room temperature indecation (For max.2minutes). Please wait until this “HO” indication disappear then start the operation.

CENTRALLY CONTROLLED display

This indicates when the unit is

controlled by optional features such as central control type remote controller.

TIMER display

This indicates when the continous

operation and time operation modes are set.

It also display the time for the timer

operation at the same time as when it is set.

OPERATION MODE display

This indicates the operation mode.

STANDBY display

This indicates when the standby

mode is set 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 tensecond intervals by pressing the time switch button. The start time or stop time is always displayed during the timer operation.

● Display

In this display example on the bottom left, a condition where all display lamps light is shown for explanation purposes although this differs from actual operation.

Operation lamp

This lamp lights during operation, goes off when the unit stops and flashes when amalfunction occurs.

POWER display

This lamp lights when electricity is supplied to the unit.

SET TEMPERATURE display

This displays the selected setting temperature.

FAN SPEED display

This displays the air direction.

ROOM TEMPERATURE display

The temperature of the suction air is displayed during operation. The display range is 8° to 39°C. The display flashes 8°C when the actual temperature is less than 8° and flashes 39°C when the actual temperature is greater than 39°C.

display

This display lights in the check mode or when a test operation is performed.

CHECK MODE

TEST RUN

FILTER display

This lamp lights when the filter need to be cleaned.

AIR DIRECTION display

The selected fan speed is displayed.

SPECIFICATIONS

3-1. Specification

PCFY-40VGM PCFY-63VGM PCFY-100VGM PCFY-125VGM

kW 4.7 7.3 11.6 14.5

kW 5.2 8.3 13.0 14.5

kw 0.10 0.13 0.16 0.24

kW 0.10 0.13 0.16 0.24

A 0.43 0.55 0.70 1.06

%92 93 92 92

– Unit : Munsell<0.70Y 8.59/0.97>

mm 210 270

mm 1000 1310 1310 1620

mm 680

- crosfin

- Sirocco fan

2 Sirocco fan ✕ 3 Sirocco fan ✕ 3 Sirocco fan ✕ 4

k/min 12-11-10-8 18-16-14-12 25-23-20-18 35-32-28-26

Pa 0

kW 0.054 0.07 0.09 0.15

Polyethylene sheet

PP honey comb

[mm 12.7<1/2”> 15.88<5/8”> 19.05<3/4”>

[mm 6.35<1/4”> 9.52<3/8”> 9.52<3/8”>

[mm PVC pipe VP-25 connectable

dB(A) 38-36-33-29 39-37-34-32 43-41-38-36 44-42-39-37

kg 27 34 37 43

V•Hz Single phase 220V-240V 50 HZ

Note 1. Rating conditions(JIS B 8616)

Cooling: Indoor: 27°C DB. 19.5°C WB

outdoor: 35°C DB. 24°C WB

Heating: Indoor: 21°C

outdoor: 7°C DB. 6°C WB

Note 2. Air flow and the noise level are indicated as High-Middium 1-Middium 2-Low.

Item

Power

Cooling capacity

Heating capacity

Cooling

Heating

Cooling

Heating

Cooling

Heating

Exteior

(munsell symbol)

Height

Width

Depth

Heat exchanger

Insulator

Air filter

Gas side

Pipe

dimensions

Drain pipe size

Noise level

Product weight

Liquid

side

F a n

Fan motor

Output

Fan ✕ No

Air flow #3

External

static pressure

Outdimensions

Electric charocteristic

Power

supply

Startin

current

Power

factor

3-2. Electrical parts specifications

Model

Parts

name

Symbol PCFY-40VGM PCFY-63VGM PCFY-100VGM PCFY-125VGM

Tranrsformer T (Primary) 50/60Hz 220-240V (Secondary) (18.4V 1.7A)

Room temperature thermistor TH21

Resistance: 0:/15k',10:/9.6k',20:/6.3k',25:/5.4k',30:/4.3k',40:/3.0k

Liquid pipe thermistor TH22

Resistance: 0:/15k',10:/9.6k',20:/6.3k',25:/5.4k',30:/4.3k',40:/3.0k

Gas pipe Thermistor TH23

Resistance: 0:/15k',10:/9.6k',20:/6.3k',25:/5.4k',30:/4.3k',40:/3.0k

Fuse FUSE 250V 6.3A

Fan motor MF1,2

Inner-thermostat

Fan motor capacitor C1 3uF x 440V 4uF x 440V 4uF x 440V 6uF x 440V

Vane motor MV

Linear expansion valve LEV

Power supply terminal block TB2 (L,N,;) 330V 30A

Transmission terminal block TB5 (M1,M2,S) 330V 30A

(Indoor controller board)

(with Inner-thermostat)

OFF 130:±5:

MP35EA

DC12V

MP35EA

DC12V

MP42EA

DC12V

DC12V Stepping motor drive { 3.2 (0~2000pulse) EDM-402ME

DC12V Stepping motor drive { 5.2 (0~2000pulse)

EDM-804ME

4-Pole OUTPUT 54W D09B4P54MS

4-Pole Output 90W D10B4P90MS

4-Pole Output 150W D10B4P150MS

4-Pole Output 70W D09B4P70MS

OUTLINES AND DIMENSIONS4

INDOOR UNIT PCFY-40VGM

180

210

157

182 (3/8F) liquid

201 (5/8F) gas

241 (Drainage)

Air intake

918

254

680

Electrical box

226

525

928

352

263

171

138

46 175 1

131

3879

161

179

6-7

Celling

Electrical box

[FRONT VIEW]

When electrical

box is pulled

down

150

140

320

933 (suspension bolt pitch)

983

1000

Air outlet

904

Gap to ceiling

1 Drainage pipe connection (26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection)

2 Drainage pipe connection (for the left arrangement) 6 Knock out hole for upper drain pipe arrangement

3 Knock out hole for left drain-piping arrangement 7 Knock out hole for left drain pipe arrangement

4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knock out hole for wining arrangement

NOTES:

1. Use M10 or W3/8 screws for anchor bolt.

2. Please be sure when installing the drain-up machine (option parts).

refrigerant pipe will be only upper drain pipe arrangement.

PCFY-63VGM

1240 (suspension bolt pitch)

140

150

320 80

1290

1214

210 180

81 76

1310

Air outlet

1228

680

254

Air intake

182

201

241

157

(3/8F liquid)

(5/8F gas)

(Drainage)

Electnical box

When electrical

box is pulled

down

[ FRONT VIEW ]

Celling

179

161

3879

6~7

525

1235

416

263

171

138

131

175 1

Electrical box

226

Gap to ceiling

1 Drainage pipe connection (26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection)

2 Drainage pipe connection (for the left arrangement) 6 Knock out hole for upper drain pipe arrangement

3 Knock out hole for left drain-piping arrangement 7 Knock out hole for left drain pipe arrangement

4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knock out hole for wining arrangement

NOTES:

1. Use M10 or W3/8 screws for anchor bolt.

2. Please be sure when installing the drain-up machine (option parts).

refrigerant pipe will be only upper drain pipe arrangement.

1228

680

254

Air intake

1214

270

207

81 96

1310

Air outlet

1240 (suspension bolt pitch)

140

150

320 80

182

198

245

217

(3/8F liquid)

(5/8F gas)

(Drainage)

Electnical box

When electrical

box is pulled

down

[ FRONT VIEW ]

Celling

160

38 140

42 239

6~7

525

1235

687

263

171

138

192

236

Electrical box

229

Gap to ceiling

PCFY-100VGM

1 Drainage pipe connection (26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection)

2 Drainage pipe connection (for the left arrangement) 6 Knock out hole for upper drain pipe arrangement

3 Knock out hole for left drain-piping arrangement 7 Knock out hole for left drain pipe arrangement

4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knock out hole for wining arrangement

NOTES:

1. Use M10 or W3/8 screws for anchor bolt.

2. Please be sure when installing the drain-up machine (option parts).

refrigerant pipe will be only upper drain pipe arrangement.

PCFY-125VGM

1 Drainage pipe connection (26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection)

2 Drainage pipe connection (for the left arrangement) 6 Knock out hole for upper drain pipe arrangement

3 Knock out hole for left drain-piping arrangement 7 Knock out hole for left drain pipe arrangement

4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knock out hole for wining arrangement

NOTES:

1. Use M10 or W3/8 screws for anchor bolt.

2. Please be sure when installing the drain-up machine (option parts).

refrigerant pipe will be only upper drain pipe arrangement.

(3/8F liquid)

(3/4F gas)

(Drainage)

182

198

245

320 80

140

150

217

270

207

680

81 96

254

Gap to ceiling

Celling

[ FRONT VIEW ]

Electrical box

236

192

38 140

160

1535

1620

1524

1547(suspension bolt pitch)

138

171

687

263

Air outlet

Air intake

229

6~7

525

1545

Electrical box

When electrical

box is pulled

42 239

down

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