Mitsubishi Electric PCFY-P40VGM-E Manuel d'utilisation

TECHNICAL & SERVICE MANUAL

CONTENTS

1. SAFETY PRECAUTION ······················2

2. PART NAMES AND FUNCTIONS·······6

3. SPECIFICATIONS ·······························8

4. OUTLINES AND DIMENSIONS·········11

5. WIRING DIAGRAM····························15

REFRIGERANT SYSTEM DIAGRAM

··16

7. TROUBLE SHOOTING······················17

8. DISASSEMBLY PROCEDURE··········24

9. PARTS LIST·······································28

10. OPTIONAL PARTS ··························35

PCFY-P40VGM-E

PCFY-P63VGM-E

PCFY-P100VGM-E

PCFY-P125VGM-E

No. OC308

INDOOR UNIT

Ceiling Suspended

Series PCFY

2004

[Model name] [Service Ref.]

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

R407C R22

R410A

OC308--1.qxp 04.4.14 9:13 AM Page 1

1SAFETY PRECAUTION

[2] Refrigerant recharging

(1) Refrigerant recharging process

1Direct charging from the cylinder.

·R407C cylinder are available on the market has a syphon pipe.

·Leave the syphon pipe cylinder standing and recharge it.

(By liquid refrigerant)

(2) Recharge in refrigerant leakage case

·After recovering the all refrigerant in the unit, proceed to working.

·Do not release the refrigerant in the air.

·After completing the repair service, recharge the cycle with the specified amount of

liquid refrigerant.

[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.

Cautions for units utilizing refrigerant R407C

CAUTIONS RELATED TO NEW REFRIGERANT

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 oil piping”

If there is a large amount of residual oil (hydraulic oil, etc.)

inside the piping and joints, deterioration of the lubricant

will result.

Use ESTR , ETHER or HAB as the lubricant to

coat flares and flange connection parts.

If large amount of mineral oil enter, that can cause

deterioration of refrigerant oil etc.

Use liquid refrigerant to seal the system.

If gas refrigerant is used to seal the system, the composition

of the refrigerant in the cylinder will change 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.

Store the piping to be used during installation

indoors with keep both ends sealed until just

before brazing.

(Store elbows and other joints in a plastic bag.)

If dust, dirt, or water enters the refrigerant cycle,

deterioration of the oil and compressor trouble may result. Ventilate the room if refrigerant leaks during

operation. If refrigerant comes into contact with

a flame, poisonous gases will be released.

Gravimeter

Unit

OC308--1.qxp 04.4.14 9:13 AM Page 2

[3] Service tools

Use the below service tools as exclusive tools for R407C refrigerant.

No. Tool name Specifications

1Gauge manifold ·Only for R407C.

·Use the existing fitting SPECIFICATIONS. (UNF7/16)

·Use high-tension side pressure of 3.43MPa·G or over.

2Charge hose ·Only for R407C.

·Use pressure performance of 5.10MPa·G or over.

3Electronic scale

4Gas leak detector ·Use the detector for R134a or R407C.

5Adapter for reverse flow check. ·Attach on vacuum pump.

6Refrigerant charge base.

7Refrigerant cylinder. ·For R407C ·Top of cylinder (Brown)

·Cylinder with syphon

8Refrigerant recovery equipment.

OC308--1.qxp 04.4.14 9:13 AM Page 3

Cautions for units utilizing refrigerant R410A

Store the piping to be used during installation

indoors and keep both ends of the piping sealed

until just before brazing. (Leave elbow joints, etc.

in their packaging.)

Use ester oil, ether oil or alkylbenzene oil (small

amount) as the refrigerant oil applied to flares

and flange connections.

Charge refrigerant from liquid phase of gas

cylinder.

If the refrigerant is charged from gas phase, composition

change may occur in refrigerant and the efficiency will be

lowered.

Do not use refrigerant other than R410A.

If other refrigerant (R22 etc.) is used, chlorine in refrige-

rant 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 refrigerant.

The following tools are necessary to use R410A refrigerant.

Keep the tools with care.

If dirt, dust or moisture enter into refrigerant cycle, that can

cause deterioration of refrigerant oil or malfunction of com-

pressor.

Do not use a charging cylinder.

If a charging cylinder is used, the composition of refrigera-

nt will change and the efficiency will be lowered.

Flare tool

Electronic refrigerant

charging scale

Vacuum pump adaptor

Size adjustment gauge

Gauge manifold

Torque wrench

Gas leak detector

Charge hose

Tools for R410A

If dirt, dust or moisture enter into refrigerant cycle, that can

cause deterioration of refrigerant oil or malfunction of com-

pressor.

If large amount of mineral oil enter, 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 oil piping”

If there is a large amount of residual oil (hydraulic oil, etc.)

inside the piping and joints, deterioration of the lubricant

will result.

Ventilate the room if refrigerant leaks during

operation. If refrigerant comes into contact with

a flame, poisonous gases will be released.

OC308--1.qxp 04.4.14 9:13 AM Page 4

[1] Cautions for service

(1) Perform service after collecting the refrigerant left in unit completely.

(2) Do not release refrigerant in the air.

(3) After completing service, charge the cycle with specified amount of refrigerant.

(4) When performing service, install a filter drier simultaneously.

Be sure to use a filter drier for new refrigerant.

[2] Additional refrigerant charge

When charging directly from cylinder

· Check that cylinder for R410A on the market is syphon type.

· Charging should be performed with 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. Specifications

1Gauge manifold ·Only for R410A

·Use the existing fitting specifications. (UNF1/2)

·Use high-tension side pressure of 5.3MPa·G or over.

2Charge hose ·Only for R410A

·Use pressure performance of 5.09MPa·G or over.

3Electronic scale

4Gas leak detector ·Use the detector for R134a, R407C or R410A.

5Adaptor for reverse flow check ·Attach on vacuum pump.

6Refrigerant charge base

7Refrigerant cylinder ·Only for R410A Top of cylinder (Pink)

Cylinder with syphon

8Refrigerant recovery equipment

OC308--1.qxp 04.4.14 9:13 AM Page 5

2PART NAMES AND FUNCTIONS

● Indoor 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-20MAA]

● Once the controls are set, the same operation mode can be repeated

by simply pressing the ON/OFF button.

PAR-20MAA

ON/OFF

CENTRALLY CONTROLLED

ERROR CODE

CLOCK

ON OFF

˚C

CHECK

CHECK MODE

FILTER

TEST RUN

FUNCTION

˚C

1Hr.

NOT AVAILABLE

STAND BY

DEFROST

FILTER

CHECK TEST

TEMP.

TIMER SET

Press this button to switch the cooler,

electronic dry (dehumidify), automatic

and heater modes.

OPERATION SWITCH button

This sets the room temperature. The

temperature setting can be performed

in 1:units

Setting 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-TEST RUN button

This switch the horizontal fan motion

ON and OFF.

(Not available for this model)

LOUVER button

This adjusts the vertical angle of the

ventilation.

AIR DIRECTION button

This resets the filter service indication

display

FILTER button

This sets the current time, start time

and stop time.

TIME SETTING button

This sets the ventilation fan speed.

AIR SPEED button

OC308--1.qxp 04.4.14 9:13 AM Page 6

Caution

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

●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 “H0” is displayed on the room temperature indication (For max.

2minutes). Please wait until this “H0” indication disappear then start the operation.

CENTRALLY

CONTROLLED display

This indicates when the unit is con-

trolled by optional features such as

central control type remote controller.

TIMER display

This indicates when the continuous

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

The [STANDBY] symbol is only

displayed from the time the heating

operation starts unit the heated air

begins to 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 switch

button. The start time or stop time is

always displayed during the timer

operation.

●Display

In this display example on the bot-

tom left, a condition where all dis-

play lamps light is shown for expla-

nation purposes although this differs

from actual operation.

Operation lamp

This lamp lights during operation,

goes off when the unit stops and

flashes when a malfunction occurs.

POWER display

This lamp lights when electricity is

supplied to the unit.

SET TEMPERATURE display

This displays the selected setting

temperature.

AIR DIRECTION display

This displays the air direction.

ROOM TEMPERATURE display

The temperature of the suction air is

displayed during operation. The dis-

play range is 8°C to 39°C. The dis-

play flashes 8°C when the actual

temperature is less than 8°C and

flashes 39°C when the actual tem-

perature is greater than 39°C.

display

This display lights in the check mode

or when a test operation is per-

formed.

CHECK MODE

TEST RUN

This lamp lights when the filter need

to be cleaned.

AIR SPEED display

The selected fan speed is displayed.

FILTER display

PAR-20MAA

ON/OFF

CENTRALLY CONTROLLED

ERROR CODE

CLOCK

ON OFF

˚C

CHECK

CHECK MODE

FILTER

TEST RUN

FUNCTION

˚C

1Hr.

NOT AVAILABLE

STAND BY

DEFROST

FILTER

CHECK TEST

TEMP.

TIMER SET

OC308--1.qxp 04.4.14 9:13 AM Page 7

3SPECIFICATIONS

3-1. Specifications

Note 1. Rating conditions(JIS B 8615-1)

Cooling : Indoor : D.B. 27°C W.B. 19°C

outdoor : D.B. 35°C

Heating : Indoor : D.B. 20°C

outdoor : D.B. 7°C W.B. 6°C

WAir flow and the noise level are indicated as High – Middium1 – Middium2 – Low.

Item

V·Hz

—

k/min

—

[mm(in.)

[mm

Cooling capacity

Power

Heat exchanger

Air filter

Fan ✕No

Air flow W

Pipe

dimensions

Unit drain pipe size

Noise level W

Product weight

Exterior

(munsell symbol)

Fan motor

output

External

static pressure

Liquid

side

Gas

side

Heating capacity

Dimensions

Height

Width

Depth

Electric characteristic

Input

Cooling

Heating

Cooling

Heating

Current

PCFY-P40VGM-E PCFY-P63VGM-E PCFY-P100VGM-E PCFY-P125VGM-E

Single phase 220-230-240V 50Hz / 220V 60Hz

4.5

5.0

0.10

0.46

7.1

8.0

0.13

0.60

11.2

12.5

0.16

0.73

14.0

16.0

0.24

1.10

1310

18 -16 -14 -12

0.07

15.88(5/8")

9.52(3/8")

39 -37 -34 -32

Unit : Munsell<0.70Y 8.59/0.97>

680

Cross fin (Aluminum plate fine and copper tube)

Sirocco fan ✕3

PP honey comb

I.D.26 (PVC pipe VP-20 connectable)

15.88(5/8") / 19.05(3/4")

9.52(3/8")

210 270

1310

25 -23 -20 -18

0.09

43 -41 -38 -36

1620

Sirocco fan ✕4

35 -32 -28 -26

0.15

44 -42 -39 -37

1000

Sirocco fan ✕2

12 -11 -10 -8

0.054

12.7(1/2")

6.35(1/4")

38 -36 -33 -29

OC308--1.qxp 04.4.14 9:13 AM Page 8

3-2. Electrical parts specifications

Parts name

Model Symbol

TH21

TH22

TH23

FUSE

LEV

TB2

TB5

TB15

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

250V 6.3A

OFF 130:I5:

(L, N, ;) 330V 30A

(M1, M2, S) 250V 20A

(1, 2) 250V 10A

3µF ✕440V

Inner-thermostat

4µF ✕440V 4µF ✕440V 6µF ✕440VFan motor capacitor

Vane motor

Linear expansion valve

PCFY-P40VGM-E PCFY-P63VGM-E PCFY-P100VGM-E PCFY-P125VGM-E

Room temperature

thermistor

Liquid pipe temperature

thermistor

Gas pipe temperature

thermistor

Fuse

(Indoor controller board)

Fan motor

(with inner-thermostat)

Power supply

terminal block

Transmission

terminal block

MA remote controller

terminal block

DC12V Stepping

motor drive

[3.2 (0~2000pulse)

4-Pole Output 54W

D09B4P54MS

MP35EA

DC12V MP42EA

DC12V

4-Pole Output 70W

D09C4P70MS 4-Pole Output 90W

D10B4P90MS 4-Pole Output 150W

D10B4P150MS

DC12V Stepping motor drive

[3.2 (0~2000pulse)

OC308--1.qxp 04.4.14 9:13 AM Page 9

3-3. NOISE CRITERION CURVES

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE THRESHOLD OF HEARING

FOR CONTINUOUS NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)

BAND CENTER FREQUENCIES, Hz

PCFY-P40VGM-E Hi

NOTCH

Mi1

Mi2

SPL(dB)

LINE

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)

BAND CENTER FREQUENCIES, Hz

PCFY-P63VGM-E Hi

NOTCH

Mi1

Mi2

SPL(dB)

LINE

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)

BAND CENTER FREQUENCIES, Hz

PCFY-P100VGM-E Hi

NOTCH

Mi1

Mi2

SPL(dB)

LINE

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)

BAND CENTER FREQUENCIES, Hz

PCFY-P125VGM-E Hi

NOTCH

Mi1

Mi2

SPL(dB)

LINE

UNIT

About 1.4m

MICROPHONE

CEILING

OC308--1.qxp 04.4.14 9:13 AM Page 10

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