Mitsubishi Electric PFFY-P20VLEM-A User Manual

TECHNICAL & SERVICE MANUAL
Air-Conditioners For Building Application
<Indoor unit>
PFFY-P25VLEM-A,PFFY-P25VLRM-A
PFFY-P20VLEM-A,PFFY-P20VLRM-A
PFFY-P32VLEM-A,PFFY-P32VLRM-A
PFFY-P40VLEM-A,PFFY-P40VLRM-A
PFFY-P50VLEM-A,PFFY-P50VLRM-A
PFFY-P63VLEM-A,PFFY-P63VLRM-A
2001
Models
Floor Standing Type
Series PFFY
CONTENTS
SAFETY PRECAUTIONS ·························1
1. FEATURES············································3
2. PART NAMES AND FUNCTIONS ········4
3. SPECIFICATION ···································6
4. OUTLINES AND DIMENSIONS············8
5. WIRING DIAGRAM ·····························10
6. REFRIGERANT SYSTEM DIAGRAM ····11
7. TROUBLE SHOOTING························12
8. DISASSEMBLY PROCEDURE ···········17
For use with the R407C & R22
Exposed type
Concealed type

Mitsubishi Electric PFFY-P20VLEM-A Specifications

General

Brand	Mitsubishi Electric
Model	PFFY-P20VLEM-A
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTIONS

Precautions for R407C Refrigerant

Specific safety measures for handling R407C refrigerant during installation and operation.

PART NAMES AND FUNCTIONS

SPECIFICATION

General Specifications

Provides technical specifications like cooling/heating capacity, power consumption, and dimensions.

Electrical Parts Specification

WIRING DIAGRAM

TROUBLE SHOOTING

How to Check Parts

Guides on testing components like thermistors, transformers, and fan motors for faults.

Dip-Switch Functions

Explains the function and setting of dip-switches for unit configuration and mode selection.

DISASSEMBLY PROCEDURE

Control Box Disassembly

Step-by-step instructions for removing the control box from the exposed unit.

Thermistor Removal