Mitsubishi Electric PLFY-P20VBM-E.UK Manual de funcionamiento

TECHNICAL & SERVICE MANUAL

Indoor unit

[Model Name]

PLFY-P20VBM-E

PLFY-P25VBM-E

PLFY-P32VBM-E

PLFY-P40VBM-E

PLFY-P50VBM-E

PLFY-P63VBM-E

PLFY-P80VBM-E

PLFY-P100VBM-E

PLFY-P125VBM-E

No. OCH413

REVISED EDITION-E

CONTENTS

1. TECHNICAL CHANGES.........................3

2. SAFETY PRECAUTION..........................

3. PARTS NAMES AND FUNCTIONS........6

4. SPECIFICATIONS.................................13

5. 4-WAY AIR FLOW SYSTEM.................

6. OUTLINES AND DIMENSIONS............22

7. WIRING DIAGRAM...............................23

REFRIGERANT SYSTEM DIAGRAM......

9. TROUBLESHOOTING..........................26

10. SPECIAL FUNCTION...........................35

11. DISASSEMBLY PROCEDURE.............42

Notes:

• This manual describes ser-

vice data of the indoor units

only.

• RoHS compliant products

have <G> mark on the spec

name plate.

July 2014

INDOOR UNIT

Model name

indication

PARTS CATALOG (OCB413)

Revision:

• Added

PLFY-P20VBM-E.UK and

PLFY-P25VBM-E.UK in

REVISED EDITION-E.

• Some descriptions have

been modified.

• Please void OCH413

REVISED EDITION-D.

[Service Ref.]

Refer to page 2.

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

2 3

PLFY-P20VBM-E.UK

PLFY-P25VBM-E.UK

PLFY-P32VBM-E.UK

PLFY-P32VBM-E1.UK

PLFY-P32VBM-ER2.UK

PLFY-P32VBM-ER3.UK

PLFY-P40VBM-E.UK

PLFY-P40VBM-E1.UK

PLFY-P40VBM-ER2.UK

PLFY-P40VBM-ER3.UK

PLFY-P50VBM-E.UK

PLFY-P50VBM-E1.UK

PLFY-P50VBM-ER2.UK

PLFY-P50VBM-ER3.UK

PLFY-P63VBM-E.UK

PLFY-P63VBM-E1.UK

PLFY-P63VBM-ER2.UK

PLFY-P63VBM-ER3.UK

PLFY-P80VBM-E.UK

PLFY-P80VBM-E1.UK

PLFY-P80VBM-ER2.UK

PLFY-P80VBM-ER3.UK

PLFY-P100VBM-E.UK

PLFY-P100VBM-ER2.UK

PLFY-P100VBM-ER3.UK

PLFY-P125VBM-E.UK

PLFY-P125VBM-ER2.UK

PLFY-P125VBM-ER3.UK

[Service Ref.]

OCH413E

1TECHNICAL CHANGES

PLFY-P32VBM-E.UK PLFY-P32VBM-E1.UK

PLFY-P40VBM-E.UK PLFY-P40VBM-E1.UK

PLFY-P50VBM-E.UK PLFY-P50VBM-E1.UK

PLFY-P63VBM-E.UK PLFY-P63VBM-E1.UK

PLFY-P80VBM-E.UK PLFY-P80VBM-E1.UK

FAN MOTOR (MF) has been changed.

TURBO FAN, NUT and WASHER have been changed.

PLFY-P32VBM-E1.UK PLFY-P32VBM-ER2.UK

PLFY-P40VBM-E1.UK PLFY-P40VBM-ER2.UK

PLFY-P50VBM-E1.UK PLFY-P50VBM-ER2.UK

PLFY-P63VBM-E1.UK PLFY-P63VBM-ER2.UK

PLFY-P80VBM-E1.UK PLFY-P80VBM-ER2.UK

PLFY-P100VBM-E.UK PLFY-P100VBM-ER2.UK

PLFY-P125VBM-E.UK PLFY-P125VBM-ER2.UK

INDOOR CONTROLLER BOARD (I.B) has been changed. (S/W version up)

PLP-6BAJ (Automatic filter elevation panel, option)

The controller board (U.B) has been changed. (only for the panel but not for the service part)

PLFY-P32VBM-ER2.UK PLFY-P32VBM-ER3.UK

PLFY-P40VBM-ER2.UK PLFY-P40VBM-ER3.UK

PLFY-P50VBM-ER2.UK PLFY-P50VBM-ER3.UK

PLFY-P63VBM-ER2.UK PLFY-P63VBM-ER3.UK

PLFY-P80VBM-ER2.UK PLFY-P80VBM-ER3.UK

PLFY-P100VBM-ER2.UK PLFY-P100VBM-ER3.UK

PLFY-P125VBM-ER2.UK PLFY-P125VBM-ER3.UK

INDOOR CONTROLLER BOARD (I.B) has been changed. (S/W version up)

Service ref. have been changed as follows.

OCH413E

54 5

Cautions for units utilizing refrigerant R410A

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.

Handle tools with care.

If dirt, dust or moisture enters 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 enters into refrigerant 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 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.

Store the piping indoors, and both ends of the

piping sealed until just before brazing.

(Leave elbow joints, etc. in their packaging.)

The refrigerant oil applied to flare and flange

connections must be ester oil, ether oil or

alkylbenzene oil in a small amount.

Ventilate the room if refrigerant leaks during

operation. If refrigerant comes into contact with

a flame, poisonous gases will be released.

Never use any refrigerant other than that specified.

Doing so may cause a burst, an explosion, or fire when the

unit is being used, serviced, or disposed of.

Correct refrigerant is specified in the manuals and on the

spec labels provided with our products.

We will not be held responsible for mechanical failure,

system malfunction, unit breakdown or accidents caused

by failure to follow the instructions.

Use the specified refrigerant only.

2SAFETY PRECAUTION

OCH413E

[1] Cautions for service

(1) Perform service after recovering 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. Tool name 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 —

OCH413E

767

3PARTS NAMES AND FUNCTIONS

Drain pipe

Filter

Vane

Gas pipe

Liquid pipe

Air outlet

i-see sensor

(option)

Air intake

(Intake grille)

3-1. INDOOR UNIT

OCH413E

ON/OFF TEMP

FAN

VANE

TEST RUN

AUTO STOP

AUTO START

min

LOUVER

MODE

CHECK

RESETSET CLOCK

MODEL SELECT

NOTAVAILABLE

CHECK

TEST RUN

°C

AMPM

VANE CONTROL button

Used to change the air flow direction.

CLOCK button

RESET button

SET button

ON/OFF button

The unit is turned ON and OFF alternately

each time the button is pressed.

MODE SELECT button

Used to switch the operation mode between

cooling, drying, heating, auto and fan mode.

CHECK-TEST RUN buttons

Only press this button to perform an

inspection check or test operation.

Do not use it for normal operation.

FAN SPEED SELECT button

Used to change the fan speed.

TIMER display

Displays when in timer operation or when

setting timer.

buttons

SET TEMPERATURE button sets any desired

room temperature.

CLOCK display

Displays the current time.

“ ” “ ” display

Displays the order of timer operation.

“ ” “ ” display

Displays whether timer is on or off.

Buttons used to set the “hour and minute” of

the current time and timer settings.

“h” and “min” buttons

display

FAN SPEED display indicates which fan

speed has been selected.

display

The vertical direction of air flow is indicated.

display

Blinks when model is selected.

display

CHECK and TEST RUN display indicate that

the unit is being checked or test-run.

display

OPERATION MODE display

Operation mode display indicates which

operation mode is in effect.

AUTO STOP (OFF timer): when this switch

is set, the air conditioner will be

automatically stopped at the preset time.

AUTO START (ON timer): when this switch is

set, the air conditioner will be automatically

started at the preset time.

MODEL SELECT

CHECK

TEST RUN

LOUVER button

Changes left/right airflow direction.

(Not available for this model.)

SET TEMP. display indicates the desired

temperature which is set.

Lights up while the signal is transmitted to

the indoor unit when the button is pressed.

TIMER CONTROL buttons

3-2. WIRELESS REMOTE CONTROLLER

OCH413E

Function buttons

F1 F2 F3 F4

Press to turn ON/OFF the indoor unit.

ON / OFF button

When the backlight is off, pressing any button turns

the backlight on and does not perform its function.

(except for the (ON / OFF) button)

The functions of the function buttons change depending on

the screen. Refer to the button function guide that appears

at the bottom of the LCD for the functions they serve on a

given screen.

When the system is centrally controlled, the button function

guide that corresponds to the locked button will not appear.

Press to save the setting.

SELECT button

Press to return to the previous screen.

RETURN button

Press to bring up the Main menu.

MENU button

Operation settings will appear.

When the backlight is off, pressing any button turns the

backlight on and it will stay lit for a certain period of time

depending on the screen.

Backlit LCD

This lamp lights up in green while the unit is in operation.

It blinks while the remote controller is starting up or when

there is an 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 the next page.

Function button F4

Fri

Room

Set temp.

Mode Temp. Fan

Cool Auto

Main

Main display:

Cursor Page

Main menu

Vane·Louver·Vent. (Lossnay)

High power

Timer

Weekly timer

OU silent mode

Function guide

3-3. WIRED REMOTE CONTROLLER <PAR-30MAA><PAR-31MAA>

The functions which can be used are restricted according to each model.

: Supported : Unsupported

Function PAR-30MAA/PAR-31MAA PAR-21MAA

Slim City multi

Body Product size H × W × D (mm) 120 × 120 × 19 120 × 130 × 19

LCD Full Dot LCD Partial Dot LCD

Backlight

Energy-saving Energy-saving operation schedule

Automatic return to the preset temperature

Restriction Setting the temperature range restriction

Function Operation lock function

Weekly timer

On / Off timer

High Power

Manual vane angle

Wired remote controller function

OCH413E

Fri

Mode Temp. Fan

Room

Cool Auto

Set temp.

Fri

Cool

Mode Temp. Fan

AutoSet temp.

Fri

Mode Temp. Fan

Room

Cool Auto

Set temp.

Fri

Cool

Mode Temp. Fan

AutoSet temp.

The main display can be displayed in two different modes: "Full" and "Basic".

he initial setting is "Full". To switch to the "Basic" mode, change the setting on the Main display setting.

All icons are displayed for explanation.

Most settings (except ON / OFF, mode, fan speed, temperature) can be made from the Menu screen.

Indoor unit operation mode appears here.

Operation mode

Preset temperature appears here.

Preset temperature

Current time appears here.

Clock (See the Installation Manual.)

Fan speed

Fan speed setting appears here.

Functions of the corresponding buttons appear here.

Button function guide

Appears when the 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 lter reset function is centrally controlled.

Appears when lter needs maintenance.

Current room temperature appears here.

Room temperature

(See the Installation Manual.)

Appears when the buttons are locked.

Appears when the On/Off timer or Night setback function is

enabled.

Appears when the Weekly timer is enabled.

Appears while the units are operated in the energy-save

mode.

Appears when the built-in thermistor on the remote control-

ler is activated to monitor the room temperature.

appears when the thermistor on the indoor unit is acti-

vated to monitor the room temperature.

Indicates the vane setting.

Indicates the louver setting.

Indicates the ventilation setting.

Appears when the preset temperature range is restricted.

OCH413E

10 11

Menu structure

Not all functions are available on all models of indoor units.

Energy saving

Auto return

Schedule

Night setback

Main menu Press the MENU button.

Move the cursor to the desired item with the F1 and F2 buttons, and press the SELECT button.

Vane · Louver · 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

Input maintenance info.

Function setting

Check

Self check

Maintenance password

Remote controller check

Test run

Clock

Auto descending panel

Filter information

Error information

Lossnay (City Multi only)

OCH413E

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