Mitsubishi Electric PLFY Series Manual de funcionamiento

PARTS CATALOG (OCB723)

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

No. OCH723

October 2019

TECHNICAL

SERVICE

MANUAL

CONTENTS

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

2. PARTS NAMES AND FUNCTIONS........2

3. SPECIFICATIONS.................................10

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

5. OUTLINES AND DIMENSIONS............

6. WIRING DIAGRAM...............................17

REFRIGERANT SYSTEM DIAGRAM......

8. TROUBLESHOOTING..........................

9. SPECIAL FUNCTION........................... 26

10. DISASSEMBLY PROCEDURE............. 29

INDOOR UNIT

Model name

indication for

MAIN UNIT

Model name

indication for GRILLE

Indoor unit

[Model names] [Service Ref.]

PLFY-WL32VEM-E

PLFY-WL32VEM-ET

PLFY-WL32VEM-E.UK

PLFY-WL32VEM-ET.UK

PLFY-WL40VEM-E

PLFY-WL40VEM-ET

PLFY-WL40VEM-E.UK

PLFY-WL40VEM-ET.UK

PLFY-WL50VEM-E

PLFY-WL50VEM-ET

PLFY-WL50VEM-E.UK

PLFY-WL50VEM-ET.UK

Grille model

[Model names]

PLP-6EA

PLP-6EAE

PLP-6EAL

PLP-6EALE

PLP-6EAJ

PLP-6EAJE

PLP-6EALM

PLP-6EALME

32 3

OCH723

Cautions for units utilizing refrigerant R410A

Only use water.

Only use clean water as a refrigerant. The use of water

outside the specification may damage the refrigerant circuit.

Do not use the existing water piping.

Store the piping materials indoors, and keep both ends of

the pipes sealed until immediately before installation. Keep

the joints wrapped in plastic bags. If dust or dirt enters the

water circuit, it may damage the heat exchanger and cause

water leakage.

.CAUTION

2PARTS NAMES AND FUNCTIONS

Drain pipe

Filter

Vane

Inlet pipe

Outlet pipe

Air outlet

Air intake

(Intake grille)

i-see Sensor

(Option)

Signal receiver

(Option)

2-1. Indoor unit

Model name

indication for

MAIN UNIT

Model name

indication for GRILLE

2-2. WIRED REMOTE CONTROLLER <PAR-40MAA>

: Supported : Unsupported

Function PAR-40MAA

Slim CITY MULTI

Body Product size H × W × D (mm) 120 × 120 × 14.5

LCD Full 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

*Some functions may not be available depending on model types.

Wired remote controller function

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

1SAFETY PRECAUTION

OCH723 3

Function buttons

操作部 _new

4 3 2 1

7890

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.

Fri

Room

Set temp.

Mode Temp. Fan

Cool Auto

A005_new

Main display Main menu

Function guide

▌1[ON/OFF] button

Press to turn ON/OFF the indoor unit.

▌2[SELECT] button

Press to save the setting.

▌3[RETURN] button

Press to return to the previous screen.

▌4[MENU] button

Press to bring up the Main menu.

▌5Backlit LCD

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.

When the backlight is off, pressing any button turns the backlight

on and does not perform its function. (except for the [ON/OFF]

button)

▌6ON/OFF lamp

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.

▌7Function button [F1]

Main display: Press to change the operation mode.

Menu screen: The button function varies with the screen.

▌8Function button [F2]

Main display: Press to decrease temperature.

Main menu: Press to move the cursor left.

Menu screen: The button function varies with the screen.

▌9Function button [F3]

Main display: Press to increase temperature.

Main menu: Press to move the cursor right.

Menu screen: The button function varies with the screen.

▌0Function button [F4]

Main display: Press to change the fan speed.

Menu screen: The button function varies with the screen.

Controller interface

7 8 9 07 8 9 0

Main Main menu

Energy saving

A006_new

Main display:

Cursor

Operation

Vane·Louver·Vent. (Lossnay)

High power

Comfort

A007_new

Menu screen

7 8 9 0

4 5

OCH723

The main display can be displayed in two different modes: “Full” and “Basic”. The factory setting is “Full”. To switch to the “Basic” mode, change the

setting on the Main display setting. (Refer to operation manual included with remote controller.)

▌1Operation mode

▌2Preset temperature

▌3Clock

Current time appears here.

▌4Fan speed

▌5Button function guide

Functions of the corresponding buttons appear here.

▌6

Appears when the ON/OFF operation is centrally controlled.

▌7

Appears when the operation mode is centrally controlled.

▌8

Appears when the preset temperature is centrally controlled.

▌9

Appears when the filter reset function is centrally controlled.

▌0

Indicates when filter needs maintenance.

▌1Room temperature

Current room temperature appears here.

▌2

Appears when the buttons are locked.

▌3

Appears when the On/Off timer, Night setback, or Auto-off timer

function is enabled.

appears when the timer is disabled by the centralized control

system.

* All icons are displayed for explanation.

Fri

Mode Temp. Fan

Room

Cool Set temp. Auto

Fri

Cool

Mode Temp. Fan

Set temp. Auto

)

2 3 4 5 6 7 @ 2

▌4

Appears when the Weekly timer is enabled.

▌5

Appears while the units are operated in the energy-save mode. (Will

not appear on some models of indoor units)

▌6

Appears while the outdoor units are operated in the silent mode.

(This indication is not available for CITY MULTI models.)

▌7

Appears when the built-in thermistor on the remote controller is

activated to monitor the room temperature (1).

appears when the thermistor on the indoor unit is activated to

monitor the room temperature.

▌8

Indicates the vane setting.

▌9

Indicates the louver setting.

▌)

Indicates the ventilation setting.

▌!

Appears when the preset temperature range is restricted.

▌@

Appears when an energy-saving operation is performed using a “3D i-

See sensor” function. (not available)

▌#Centrally controlled

Appears for a certain period of time when a centrally-controlled item is

operated.

▌$Preliminary error display

An error code appears during the preliminary error.

Most settings (except ON/OFF, mode, fan speed, temperature) can be

made from the Main menu. (Refer to Page 10.)

Display

OCH723

Menu structure

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

Energy saving

Main menu Press the MENU button.

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

Operation

Initial setting menu

Manual vane angle

ON/OFF timer

Auto return

Clock

Main/Sub

Temp. range

Auto-OFF timer

Schedule

Daylight saving time

Clock

Administrator password

Operation locked

3D i-see Sensor

High power

Vane · Louver · Vent. (Lossnay)

Comfort

Timer

Energy saving

Basic setting

Display setting

Operation setting

Restriction

Weekly timer

OU silent mode

Timer menu

Main display

Display details

Contrast • Brightness

Language selection

Auto mode

Continue to the next page.

Night setback

6 7

OCH723

Maintenance menu

Service menu

Drain pump test run

Serial No. input

Lossnay

Diagnosis

Initialize remote controller

Remote controller information

Initialize maintenance info.

Test run

Model name input

Function setting

Error history

Maintenance password

Dealer information input

Error information

Test run menu

Maintenance information

Filter information

Cleaning

Settings menu

Check menu

Other menu

Auto descending panel

Descending operation

Self check

Descending adjustment

Remote controller check

Continue from the previous page.

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

OCH723

Main menu list

Main

menu Setting and display items Setting details

Operation

Vane · Louver · Vent.

(Lossnay)

Use to set the vane angle.

• Select a desired vane setting from 5 different settings.

Use to turn ON/OFF the louver.

• Select a desired setting from "ON" and "OFF."

Use to set the amount of ventilation.

• Select a desired setting from "Off," "Low," and "High."

High power Use to reach the comfortable room temperature quickly.

• Units can be operated in the High-power mode for up to 30 minutes.

Comfort Manual

vane angle

Use to x each vane angle.

3D i-see Sensor Use to set the following functions for 3D i-see Sensor.

• Air distribution • Energy saving option • Seasonal airow

Timer Timer ON/OFF timer *1Use to set the operation ON/OFF times.

• Time can be set in 5-minute increments.

Auto-Off

timer

Use to set the Auto-Off time.

• Time can be set to a value from 30 to 240 in 10-minute increments.

Weekly timer *1, *2Use to set the weekly operation ON/OFF times.

• Up to 8 operation patterns can be set for each day.

(Not valid when the ON/OFF timer is enabled.)

OU silent mode *1Use to set the time periods in which priority is given to quiet operation of

outdoor units over temperature control. Set the Start/Stop times for each day

of the week.

•Select the desired silent level from "Normal," "Middle," and "Quiet."

Night setback *1Use to make Night setback settings.

• Select "Yes" to enable the setting, and "No" to disable the setting. The temperature

range and the start/stop times can be set.

Energy

saving

Restriction

Temp. range *2Use to restrict the preset temperature range.

• Different temperature ranges can be set for different operation modes.

Operation lock Use to lock selected functions.

• The locked functions cannot be operated.

Energy

saving

Auto return *2Use to get the units to operate at the preset temperature after performing

energy saving operation for a specied time period.

• Time can be set to a value from 30 and 120 in 10-minute increments.

(This function will not be valid when the preset temperature ranges are restricted.)

Schedule *1Set the start/stop times to operate the units in the energy saving mode for

each day of the week, and set the energy saving rate.

• Up to 4 energy saving operation patterns can be set for each day.

• Time can be set in 5-minute increments.

• Energy saving rate can be set to a value from 0% or 50 to 90% in 10% increments.

*1Clock setting is required.

*21°C increments.

OCH723

Main

menu Setting and display items Setting details

Initial

setting

Basic

setting

Main/Sub When connecting 2 remote controllers, one of them needs to be designated as

a sub controller.

Clock Use to set the current time.　

Daylight

saving time

Set the daylight saving time.

Administrator

password

The administrator password is required to make the settings for the following

items.

• Timer setting • Energy saving setting • Weekly timer setting

• Restriction setting • Outdoor unit silent mode setting • Night set back

Display

setting

Main display Use to switch between "Full" and "Basic" modes for the Main display.

• The initial setting is "Full."

Black and white

inversion setting

Use to invert the colors of the display, turning white background to black and

black characters to white.

Display details Make the settings for the remote controller related items as necessary.

Clock: The initial settings are "Yes" and "24h" format.

Temperature: Set either Celsius (°C) or Fahrenheit (°F).

Room temp. : Set Show or Hide.

Auto mode: Set the Auto mode display or Only Auto display.

Contrast •

Brightness

Use to adjust screen contrast and brightness.

Language

selection

Use to select the desired language.

Operation

setting

Auto mode Whether or not to use the Auto mode can be selected by using the button.

This setting is valid only when indoor units with the Auto mode function are

connected.

Mainte-

nance

Error information Use to check error information when an error occurs.

• Check code, error source, refrigerant address, unit model, manufacturing number,

contact information (dealer's phone number) can be displayed.

(The unit model, manufacturing number, and contact information need to be

registered in advance to be displayed.)

Filter information Use to check the lter status.

• The lter sign can be reset.

Cleaning

Auto

descending

panel

Use to lift and lower the auto descending panel (Optional parts).

Service Test run Select "Test run" from the Service menu to bring up the Test run menu.

• Test run • Drain pump test run

Input maintenance Select "Input maintenance Info." from the Service menu to bring up the

Maintenance information screen.

The following settings can be made from the Maintenance Information screen.

• Model name input • Serial No. input • Dealer information input • Initialize

maintenance info.

Settings Function setting Make the settings for the indoor unit functions via the remote controller as

necessary.

LOSSNAY setting

This setting is required only when the operation of CITY MULTI units is

interlocked with LOSSNAY units.

Check

Error history

Display the error history and execute "delete error history".

Diagnosis Self check: Error history of each unit can be checked via the remote controller.

Remote controller check: When the remote controller does not work properly, use

the remote controller checking function to troubleshoot the problem.

Other Maintenance

password

Use to change the maintenance password.

Initialize remote

controller

Use to initialize the remote controller to the factory shipment status.

remote controller

information

Use to display the remote controller model name, software version, and serial

number.

OCH723 9

2-3. Wireless remote controller

Operation mode

Cool Dry

Fan Auto

(single set point)

Heat 2Auto

(dual set point*)

Temperature setting

The units of temperature can be changed. For

details, refer to the Installation Manual.

Not available

Appears when a non-supported func-

tion is selected.

Battery replacement indicator

Appears when the remaining battery

power is low.

Vane setting

Step 1 Step 2 Step 3 Step 4 Step 5 Swing Auto

Fan speed setting

Set Temperature buttons

Set Time button (Sets the time)

Airow button (Changes up/down airow direction)

Mode button (Changes operation mode)

Timer ON button

Timer OFF button

OFF/ON button

Fan Speed button (Changes fan speed)

SET/SEND button

CANCEL button

Up/Down buttons

Menu button

i-see button

Reset button

Remote controller display

Battery replacement indicator

Transmission area

Not available

Weekly timer ON/OFF button

(not available)

3D i-see Sensor (Air distribution)

Default Direct Indirect When Direct or Indirect

is selected, the vane

setting is set to “Auto”.

* The initial setting is necessary.

Refer to Installation manual.

1110 11

OCH723

3-1. SPECIFICATIONS

3SPECIFICATIONS

Model

PLFY-WL32VEM-E

PLFY-WL32VEM-ET

PLFY-WL40VEM-E

PLFY-WL40VEM-ET

PLFY-WL50VEM-E

PLFY-WL50VEM-ET

Power source 1-phase 220–240 V 50 Hz, 1-phase 220 V 60 Hz

Cooling capacity

(Nominal) *1

kW 3.6 4.5 5.6

kcal/h 3,100 3,900 4,800

BTU/h 12,300 15,400 19,100

kcal/h 3,150 4,000 5,000

Power input kW 0.03 0.03 0.04

Current input

A 0.33 0.35 0.40

Heating capacity

(Nominal)

kW 4.0 5.0 6.3

kcal/h 3,400 4,300 5,400

BTU/h 13,600 17,100 21,500

Power input kW 0.03 0.03 0.04

Current input

A 0.27 0.29 0.34

External nish Galvanized steel sheet

External dimension

H × W × D

mm 258 × 840 × 840

10-3/16 × 33-3/32 × 33-3/32

inch

Net weight kg (lb) 20 (44)

Grille model PLP-6EA

External nish MUNSELL (1.0Y 9.2/0.2)

Dimension

H × W × D

mm 40 × 950 × 950

inch 1-9/16 × 37-13/32 × 37-13/32

Net weight kg (lb) 5 (11)

Heat exchanger Cross n (Aluminum n and copper tube)

FAN Turbo fan × 1 Turbo fan × 1 Turbo fan × 1

External static

press.

Pa 0 0 0

mmH2O 0 0 0

Motor type DC motor

Motor output kW 0.050 0.050 0.050

Driving mechanism

Direct-drive

Airow rate

(Low-Mid2-

Mid1-High)

K/min 14 - 15 - 16 - 17 14 - 15 - 16 - 17 14 - 16 - 18 - 20

L/s 233 - 250 - 267 - 283 233 - 250 - 267 - 283 233 - 267 - 300 - 333

cfm 494 - 530 - 565 - 600 494 - 530 - 565 - 600 494 - 565 - 636 - 706

Sound pressure level

(Low-Mid2-Mid1-High)

(measured in anechoic room)

dB <A>

26 - 27 - 29 - 30 26 - 28 - 29 - 31 27 - 29 - 31 - 33

Insulation material PS

Air lter PP honeycomb

Protection device Fuse

Connectable outdoor unit HYBRID CITY MULTI/CMB-WM-V-AA, CMB-WM-V-AB/CMH-WM-V-A

Water pipe

dimensions

Water inlet

mm I.D.

Water outlet

mm I.D.

Field drain pipe size

mm (inch)

O.D. 32 mm (1-1/4") (PVC pipe VP-25 connectable)

Standard

attachment

Document

Accessory

Installation Manual, Instruction Book

Remark Optional parts

Grille **1 PLP-6EA

Air outlet shutter plate PAC-SJ37SP-E

High efciency lter

element **2 PAC-SH59KF-E

Multi-function

casement PAC-SJ41TM-E

VALVE KIT PAC-SK04VK-E

**1. PLFY-VEM series should be used together with PLP-6EA.

**2. PAC-SJ41TM-E is necessary to use with lter PAC-SH59KF-E.

Installation Details on foundation work, duct work, insulation work, electrical wiring, power source switch, and other

items shall be referred to the Installation Manual.

*1 Nominal cooling condition

Indoor :

Outdoor :

Pipe length :

Level difference :

27˚CDB/19˚CWB (81˚FDB/66˚FWB)

35˚CDB (95˚FDB)

7.5 m (24-9/16 ft)

0m (0 ft)

*2 Nominal cooling condition

27˚CDB/19.5˚CWB (81˚FDB/67˚FWB)

35˚CDB (95˚FDB)

5m (16-3/8 ft)

0m (0 ft)

*3 Nominal heating condition

20˚CDB (68˚FDB)

7˚CDB/6˚CWB (45˚FDB/43˚FWB)

7.5 m (24-9/16 ft)

0 m (0 ft)

*1 and *3 are subject to JIS B8615-1.

2. Due to continuing improvement, above specification may be subject to change without notice.

1. Nominal conditions

Notes:

Unit converter

kcal/h = kW × 860

Btu/h = kW × 3,412

cfm = K/min × 35.31

lb = kg/0.4536

*Above specication data

is subject to rounding

variation.

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