Mitsubishi Electric PUMY-P112VKM1 User Manual

TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT
No. OCH576
HFC
utilized
R410A
October 2014
Note:
•
This service manual
describes technical data of
the outdoor units only.
<Outdoor unit>
[Model Name]
Model name
indication
PARTS CATALOG (OCB576)
PUMY-P112VKM1
PUMY-P125VKM1
PUMY-P140VKM1
PUMY-P112YKM1
PUMY-P125YKM1
PUMY-P140YKM1
PUMY-P112VKM1-BS
PUMY-P125VKM1-BS
PUMY-P140VKM1-BS
PUMY-P112YKM1-BS
PUMY-P125YKM1-BS
PUMY-P140YKM1-BS
Salt proof model
PUMY-P112VKM1
PUMY-P125VKM1
PUMY-P140VKM1
PUMY-P112YKM1
PUMY-P125YKM1
PUMY-P140YKM1
PUMY-P112VKM1-BS
PUMY-P125VKM1-BS
PUMY-P140VKM1-BS
PUMY-P112YKM1-BS
PUMY-P125YKM1-BS
PUMY-P140YKM1-BS
[Service Ref.]
CONTENTS
1. SAFETY PRECAUTION
....................................
2
2. OVERVIEW OF UNITS
......................................
5
3. SPECIFICATIONS
.............................................
9
4. DATA
................................................................
11
5. OUTLINES AND DIMENSIONS
......................
22
6. WIRING DIAGRAM
.........................................
24
7. NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
.....
26
8. TROUBLESHOOTING
....................................
42
9. ELECTRICAL WIRING
...................................
131
10. REFRIGERANT PIPING TASKS
....................
137
11. DISASSEMBLY PROCEDURE
.......................
144
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Mitsubishi Electric PUMY-P112VKM1 Specifications

General

Brand	Mitsubishi Electric
Model	PUMY-P112VKM1
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTION

CAUTIONS RELATED TO NEW REFRIGERANT

Essential safety guidelines for handling new refrigerants, particularly R410A, and proper usage of tools.

OVERVIEW OF UNITS

UNIT CONSTRUCTION

Details on the construction and configuration of outdoor units, including branch box and mixed systems.

SPECIFICATIONS

DATA

COOLING AND HEATING CAPACITY AND CHARACTERISTICS

Information on system cooling/heating capacity and electrical characteristics, including calculation methods.

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION

TRANSMISSION SYSTEM SETUP

Details on transmission system setup, including M-NET and MA remote controller configurations.

TROUBLESHOOTING

CHECK POINTS FOR TEST RUN

Procedures and checks to perform before initiating a test run of the system for proper operation.

ELECTRICAL WIRING

OVERVIEW OF POWER WIRING

Introduction to electrical wiring for the system, covering power, control, and frequency converter wiring.

REFRIGERANT PIPING TASKS

REFRIGERANT PIPING SYSTEM

Guidelines and diagrams for refrigerant piping systems, including selection and installation.

DISASSEMBLY PROCEDURE

REMOVING THE SERVICE PANEL AND TOP PANEL

Step-by-step instructions for removing the service panel and top panel of the outdoor unit.