Mitsubishi Electric PUZ-SWM60VAA User Manual

SERVICE MANUAL
No. OCH809
REVISED EDITION-A
R32
December 2023
PARTS CATALOG (OCB809)
CONTENTS
1. REFERENCE MANUAL ································ 2
2. SAFETY PRECAUTION ······························· 3
3. SPECIFICATIONS ······································ 11
4. DATA ··························································· 13
5. OUTLINES AND DIMENSIONS·················· 16
6. WIRING DIAGRAM ····································· 17
7. WIRING SPECIFICATIONS ························ 21
8. REFRIGERANT SYSTEM DIAGRAM ········ 22
9. TROUBLESHOOTING ································ 24
10. MONITORING THE OPERATION DATA
BY THE REMOTE CONTROLLER ············· 68
11. DISASSEMBLY PROCEDURE ··················· 73
Note:
• This manual describes
service data of the outdoor
units only.
AIR TO WATER HEAT PUMP UNITS
OUTDOOR UNIT
[Model Name]
PUZ-SWM60VAA
PUZ-SWM80VAA
PUZ-SWM100VAA
PUZ-SWM120VAA
PUZ-SWM140VAA
PUZ-SWM80YAA
PUZ-SWM100YAA
PUZ-SWM120YAA
PUZ-SWM140YAA
PUZ-SHWM60VAA
PUZ-SHWM80VAA
PUZ-SHWM100VAA
PUZ-SHWM120VAA
PUZ-SHWM140VAA
PUZ-SHWM80YAA
PUZ-SHWM100YAA
PUZ-SHWM120YAA
PUZ-SHWM140YAA
[Service Ref.]
PUZ-SWM60VAA.TR
PUZ-SWM80VAA.TR
PUZ-SWM100VAA.TR
PUZ-SWM120VAA.TR
PUZ-SWM140VAA.TR
PUZ-SWM80YAA.TR
PUZ-SWM100YAA.TR
PUZ-SWM120YAA.TR
PUZ-SWM140YAA.TR
PUZ-SHWM60VAA.TR
PUZ-SHWM80VAA.TR
PUZ-SHWM100VAA.TR
PUZ-SHWM120VAA.TR
PUZ-SHWM140VAA.TR
PUZ-SHWM80YAA.TR
PUZ-SHWM100YAA.TR
PUZ-SHWM120YAA.TR
PUZ-SHWM140YAA.TR
Revision:
• Added connectable indoor
units in REVISED
EDITION-A.
OCH809 is void.

Mitsubishi Electric PUZ-SWM60VAA Specifications

General

Brand	Mitsubishi Electric
Model	PUZ-SWM60VAA
Category	Heat Pump
Language	English

Summary

Reference Manual

Indoor Unit Service Manual for Air to Water System

Lists indoor unit models and their corresponding service references and manual numbers.

Safety Precautions

Always Observe for Safety

General safety guidelines before and during repair services.

Cautions for R32 Refrigerant

Specific precautions when using R32 refrigerant for unit safety.

Warning for Service

Cautions for Service

Specific cautions to follow during service operations.

Additional Refrigerant Charge

Guidelines for adding refrigerant directly from a cylinder to the system.

Cautions for Units Using R32 Refrigerant

Precautions for Reusing R22/R410A Pipes

Cautions for Refrigerant Piping Work

Specific cautions regarding R32 refrigerant piping, flare dimensions, and tools.

Outdoor Unit Installation Location

Minimum Installation Area

Outdoor Unit Specifications

Data

Refilling Refrigerant Charge (R32)

Table detailing refrigerant amounts based on piping length and operating mode.

Compressor Technical Data

Technical data for compressors, including winding resistance.

Noise Criterion Curves

Outlines and Dimensions

Wiring Diagram

Field Electrical Wiring Specifications

Refrigerant System Diagram

Troubleshooting

Troubleshooting Summary

Overview of check codes and actions for recurring or non-recurring troubles.

Self-Diagnosis Action Table

Table detailing causes and actions for abnormalities detected when power is turned on.

Abnormalities During Operation

Troubleshooting of Problems

How to Check Parts

How to Check Components

Linear Expansion Valve Operation

Attaching/Detaching Linear Expansion Valve Coil

Step-by-step guide on how to attach and detach the coil of the linear expansion valve.

Outdoor Controller Circuit Board Test Points

Outdoor Noise Filter Circuit Board

Outdoor Power Circuit Board

Outdoor Converter Circuit Board

Switches, Connectors, and Jumpers Functions

Special Functions

Low Noise Mode (On-site Modification)

Instructions for activating low noise mode using CNDM connector or remote controller.

Demand Function (On-site Modification)

Instructions for activating demand function to reduce energy consumption via SW7-1.

Outdoor Unit Inspection Display Functions

Monitoring Operation Data via Remote Controller

Request Code List for Operation Data

Lists request codes and their corresponding operation data descriptions and units.

Disassembly Procedure

Disassembly Operating Procedure

General steps for disassembling the outdoor unit, starting with panels.

Removing Fan Motor and Electrical Parts Box

Disassembling Electrical Parts Box (V-type & Y-type)

Disassembling Electrical Parts Box (S(H)WM140V) and Removing Thermistors

Removing Thermistors (Liquid, Discharge, Suction)

Removing 4-way Valve, LEVs, Pressure Switch, High Pressure Sensor

Removing Compressor and Reactors