Mitsubishi Electric PUMY-P140YKM1-BS 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-P140YKM1-BS Specifications

General

Brand	Mitsubishi Electric
Model	PUMY-P140YKM1-BS
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Cautions Related to New Refrigerant

Essential precautions for handling new refrigerants like R410A.

Overview of Units

Data

Cooling and Heating Capacity and Characteristics

Explains how to obtain system capacity and electrical characteristics.

Standard Capacity Diagram

Graphical representation of system capacity based on indoor unit total capacity.

Correcting Cooling and Heating Capacity

Details methods for adjusting capacity based on air conditions and piping.

Necessary Conditions for System Construction

Transmission System Setup

Refrigerant System Diagram

System Control

Details system control methods, including remote controller setup and wiring.

Troubleshooting

Check Points for Test Run

Guides on pre-test run checks and the test run procedure for proper operation verification.

Remote Controller Diagnosis

How to Check the Parts

Electrical Wiring

Wiring of Main Power Supply and Equipment Capacity

System Switch Setting

Example External Wiring Diagram for a Basic System

Refrigerant Piping Tasks

Refrigerant Piping System

Refrigerant Piping System (When Using Branch Box)

Precautions Against Refrigerant Leakage

Safety precautions and procedures for handling refrigerant leaks.

Disassembly Procedure