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Mitsubishi Electric PLFY-P40VCM-E User Manual

Mitsubishi Electric PLFY-P40VCM-E
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TECHNICAL & SERVICE MANUAL
Indoor unit
[Model names] [Service Ref.]
PLFY-P20VCM-E.TH
PLFY-P20VCM-E1.TH
PLFY-P25VCM-E.TH
PLFY-P25VCM-E1.TH
PLFY-P32VCM-E.TH
PLFY-P32VCM-E1.TH
PLFY-P40VCM-E.TH
PLFY-P40VCM-E1.TH
INDOOR UNIT
CONTENTS
1. TECHNICAL CHANGES·························2
2. SAFETY PRECAUTION··························2
3. PART NAMES AND FUNCTIONS··········6
4. SPECIFICATIONS···································8
5. 4-WAY AIR FLOW SYSTEM·················10
6. OUTLINES AND DIMENSIONS············12
7. WIRING DIAGRAM·······························13
8.
REFRIGERANT SYSTEM DIAGRAM
·····14
9. DISASSEMBLY PROCEDURE·············15
10. TROUBLESHOOTING··························18
11. PARTS LIST··········································25
12. RoHS PARTS LIST·······························29
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
R407C
R22
R410A
Model name
indication
No.OC314
REVISED EDITION-C
Revision :
PLFY-P20/25/32/40VCM-
E1.TH are added in
REVISED EDITION-C.
Some descriptions have
been modified.
PLFY-P20VCM-E
PLFY-P25VCM-E
PLFY-P32VCM-E
PLFY-P40VCM-E
Please void OC314
REVISED EDITION-B.
July 2007
Note :
• RoHS compliant products
have <G> mark on spec
name plate.
For servicing RoHS compli-
ant products, refer to the
RoHS Parts List.
OC314C--1.qxp 07.7.19 8:42 AM Page 1

Other manuals for Mitsubishi Electric PLFY-P40VCM-E

Questions and Answers:

Mitsubishi Electric PLFY-P40VCM-E Specifications

General IconGeneral
Cooling Capacity4.5 kW
Heating Capacity5.0 kW
Energy Efficiency Class (Cooling)A
Energy Efficiency Class (Heating)A
RefrigerantR32
Power SourceElectric
Power Supply220-240V, 50Hz
Outdoor Unit Dimensions (HxWxD)550 x 800 x 285 mm

Summary

Technical & Service Manual Overview

Series PLFY Ceiling Cassettes

Identifies the product series and type.

Technical Changes and Safety Precautions

Refrigerant Safety Guidelines

Provides critical safety advice for handling new refrigerants.

Service Safety Procedures

Outlines essential safety steps for service personnel.

R410A Refrigerant Safety and Tools

R410A Specific Safety Precautions

Details safety measures specific to R410A refrigerant use.

R410A Service Procedures

R410A Service Cautions

Highlights important service considerations for R410A units.

Part Names and Functions Overview

Indoor Unit Components Identification

Identifies and describes key parts of the indoor unit.

Wired Remote Controller Layout

Explains the layout and buttons of the wired remote controller.

General Specifications

Unit Technical Specifications

Provides detailed technical specifications for the units.

Wiring Diagram and Connections

Circuit Connection Details Explained

Illustrates the electrical wiring connections for the unit.

Refrigerant System Diagram

Refrigerant Circuit Components Layout

Shows the layout of the refrigerant system and its parts.

Disassembly Procedure - Initial Steps

Disassembly Procedure - Component Removal

Disassembly Procedure - Major Components

Troubleshooting: Part Checks

Checking Thermistors and Vane Motor Resistance

Methods for checking thermistors and vane motor resistance.

Checking Fan Motor and Expansion Valve

Procedures for testing fan motor and linear expansion valve.

Linear Expansion Valve Operation and Troubleshooting

Troubleshooting Common System Issues

Identifies symptoms and countermeasures for common problems.

Function of DIP Switches

Test Point Diagram

Parts List (Non-RoHS Compliant)

RoHS Parts List (Compliant)

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