Mitsubishi Electric PEFY-P140VMM-E User Manual

TECHNICAL & SERVICE MANUAL
Air-Conditioners For Building Application
<Indoor unit>
PEFY-P20VMM-E,PEFY-P71VMM-E
PEFY-P25VMM-E,PEFY-P80VMM-E
PEFY-P32VMM-E,PEFY-P100VMM-E
PEFY-P40VMM-E,PEFY-P125VMM-E
PEFY-P50VMM-E,PEFY-P140VMM-E
PEFY-P63VMM-E
2004
Models
INDOOR UNIT
Ceiling Concealed
Series PEFY
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 ····12
7. TROUBLE SHOOTING························13
8. DISASSEMBLY PROCEDURE ···········18
For use with R410A & R407C & R22

Mitsubishi Electric PEFY-P140VMM-E Specifications

General

Cooling Capacity	14.0 kW
Heating Capacity	16.0 kW
Refrigerant	R410A
Series	PEFY
Power Supply	3 Phase, 380-415 V, 50Hz
EER (Cooling)	3.61

Summary

Safety Precautions

Installation and Electrical Safety

Essential safety guidelines before starting installation or electrical work.

Main Unit Label Warnings

Advises users to read and follow warnings on the unit's labels.

Refrigerant Precautions

Refrigerant Piping and Oil Precautions

Details precautions for using existing refrigerant piping and oils.

Specifications

Unit Specifications Table

Provides detailed technical specifications for various models.

Electrical Parts Specifications

Wiring Diagrams

Wiring Diagram for PEFY-P20-80VMM-E

Wiring Diagram for PEFY-P100-140VMM-E

Refrigerant System Diagram

Refrigerant Pipe Sizes (PEFY-P20-50VMM-E)

Refrigerant Pipe Sizes (PEFY-P63-140VMM-E)

Trouble Shooting

Part Checking Procedures

Guides on how to test individual components for faults.

Linear Expansion Valve Troubleshooting

Identifies symptoms, checks, and fixes for LEV issues.

LEV Operation Troubleshooting

Addresses issues with LEV pulse signals and operation.

DIP-Switch Functions and Settings

Explains the purpose and settings of various DIP switches.