Mitsubishi Electric Mr.Slim PUZ-SM125VKA User Manual

SERVICE MANUAL
No.OCH708
SPLIT-TYPE AIR CONDITIONERS
R32
December 2018
Outdoor unit
[Model Name]
PUZ-SM100VKA
PUZ-SM125VKA
PUZ-SM140VKA
PUZ-SM100YKA
PUZ-SM125YKA
PUZ-SM140YKA
[Service Ref.]
PUZ-SM100VKA.TH
PUZ-SM125VKA.TH
PUZ-SM140VKA.TH
PUZ-SM100YKA.TH
PUZ-SM125YKA.TH
PUZ-SM140YKA.TH
PARTS CATALOG (OCB708)
CONTENTS
1. REFERENCE MANUAL ································· 2
2. SAFETY PRECAUTION ································· 2
3. SPECIFICATIONS ········································ 12
4. DATA ····························································· 13
5. OUTLINES AND DIMENSIONS ··················· 16
6. WIRING DIAGRAM ······································ 17
7. WIRING SPECIFICATIONS ·························· 20
8. REFRIGERANT SYSTEM DIAGRAM ············· 25
9. TROUBLESHOOTING ································· 27
10. FUNCTION SETTING ··································· 84
11. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ····90
12. EASY MAINTENANCE FUNCTION ··········· 100
13. DISASSEMBLY PROCEDURE ··················· 104

Mitsubishi Electric Mr.Slim PUZ-SM125VKA Specifications

General

Brand	Mitsubishi Electric
Model	Mr.Slim PUZ-SM125VKA
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Always Observe for Safety

Essential safety rules for terminal access and circuit disconnection.

Cautions Related to New Refrigerant

Safety guidelines for R32 refrigerant units, covering preparation and service.

Warning for Service

General warnings and precautions for servicing air conditioning units.

Cautions for Service

Specific cautions to be followed during service operations.

Cautions for Unit Using R32 Refrigerant

Work procedures, area checks, and equipment checks for R32 units.

Choosing the Outdoor Unit Installation Location

Minimum Installation Area

Specifications

Wiring Diagram

Wiring Specifications

Field Electrical Wiring (Power Wiring Specifications)

M-NET Wiring Method

Refrigerant System Diagram

Refrigerant Collecting (Pump Down)

Procedure for safely collecting refrigerant before relocation or disposal.

Start and Finish of Test Run

Steps for initiating and concluding a test run for system operation.

Troubleshooting

Checkpoint Under Test Run

Test Run for Wired Remote Controller

How to Proceed "Self-Diagnosis"

Steps for initiating and interpreting self-diagnosis results via remote controller.

Remote Controller Check

Self-Diagnosis <Wireless Remote Controller>

Steps for performing self-diagnosis using a wireless remote controller.

Self-Diagnosis Action Table

Table detailing actions for detected abnormalities when power is on.

Troubleshooting of Problems

Guide to diagnosing and resolving operational issues based on symptoms.

Function Setting

Unit Function Setting by the Remote Controller

Selecting Functions Using the Wired Remote Controller <PAR-3xMAA>

Selecting Functions Using the Wireless Remote Controller (Type C)

Easy Maintenance Function

Smooth Maintenance

Procedure for performing smooth maintenance to check operational data.

Smooth Maintenance <PAR-3xMAA>

Guide for smooth maintenance using PAR-3xMAA remote controller.

Smooth Maintenance <PAR-21MAA>

Guide for smooth maintenance using PAR-21MAA remote controller.