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Mitsubishi Electric PUZ-ZM35VKA User Manual

Mitsubishi Electric PUZ-ZM35VKA
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SERVICE MANUAL
R32
PARTS CATALOG (OCB653)
CONTENTS
1. REFERENCE MANUAL ·································2
2. SAFETY PRECAUTION ································· 2
3. FEATURES ··················································· 12
4. SPECIFICATIONS ········································ 13
5. DATA ·····························································14
6. OUTLINES AND DIMENSIONS ··················· 17
7. WIRING DIAGRAM ······································19
8. WIRING SPECIFICATIONS ·························· 21
9.
REFRIGERANT SYSTEM DIAGRAM
·············26
10. TROUBLESHOOTING ··································28
11. FUNCTION SETTING ···································83
12.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
···· 91
13. EASY MAINTENANCE FUNCTION ···········100
14. DISASSEMBLY PROCEDURE ···················102
PUZ-ZM35VKA
PUZ-ZM50VKA
Note:
•Thismanualdescribesservice
dataoftheoutdoorunitsonly.
No. OCH653
April 2017
SPLIT-TYPE,HEATPUMPAIRCONDITIONERS
Outdoor unit
[Model Name] [Service Ref.]
PUZ-ZM35VKA
PUZ-ZM35VKA
PUZ-ZM50VKA
PUZ-ZM50VKA
PUZ-ZM60VHA
PUZ-ZM60VHA
PUZ-ZM71VHA
PUZ-ZM71VHA

Table of Contents

Questions and Answers:

Mitsubishi Electric PUZ-ZM35VKA Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPUZ-ZM35VKA
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction and Safety Precautions

R32 Refrigerant Handling Cautions

Specific safety precautions for units using R32 refrigerant, including handling and service procedures.

Service and Warning Guidelines

R32 Refrigerant Unit Cautions

Servicing Information and Area Safety

Covers safe work procedures, area checks, fire prevention, and electrical component checks.

R32 Handling Procedures

Details on safe repair, leak detection, removal, evacuation, charging, and decommissioning.

Installation Location and Area

7 Wiring Diagrams

PUZ-ZM35VKA / PUZ-ZM50VKA Wiring Diagrams

Electrical wiring diagrams and component lists for PUZ-ZM35VKA and PUZ-ZM50VKA outdoor units.

PUZ-ZM60VHA / PUZ-ZM71VHA Wiring Diagrams

Electrical wiring diagrams and component lists for PUZ-ZM60VHA and PUZ-ZM71VHA outdoor units.

8 Wiring Specifications

9 Refrigerant System Diagrams

Refrigerant System Procedures

Refrigerant Collecting (Pump Down)

Step-by-step procedure for collecting refrigerant before unit relocation or disposal.

Test Run Procedure

Instructions for conducting a test run to verify unit operation and settings.

10 Troubleshooting

Troubleshooting Summary and Action Tables

Overview of troubleshooting, self-diagnosis action tables, and problem resolution steps.

Pre-Test Run Checks

Essential checks to perform before initiating a test run, ensuring safety and proper setup.

Test Run Procedures

Steps for performing test runs using wired and wireless remote controllers.

Self-Diagnosis and Error Handling

Procedures for initiating self-diagnosis, checking errors, and managing error history.

10-4 Self-Diagnosis Action Table

Abnormalities on Power On

Action table for abnormalities detected immediately after power supply.

Abnormalities During Operation

Detailed action tables for various operating abnormalities and error codes.

10-6 How to Check Parts

Thermistor and Solenoid Valve Checks

Procedures and resistance values for checking thermistors and solenoid valve coils.

Motor and Expansion Valve Checks

Procedures for checking fan motors, compressor motors, and linear expansion valves.

DC Fan Motor Troubleshooting

DC Fan Motor Diagnostic Steps

Diagnostic steps for DC fan motors, including fuse, wiring, power supply, and operation checks.

10-7 How to Check Components

Thermistor Characteristics and Measurement

Provides thermistor feature charts and resistance values for diagnosis.

Linear Expansion Valve Operation

LEV Operation and Connections

Explains linear expansion valve operation, pulse signals, and connection details.

Linear Expansion Valve Coil Handling

10-8 Emergency Operation

Enabling and Disabling Emergency Operation

Procedures and conditions for enabling and disabling emergency operation mode.

Emergency Operation Data

10-9 Test Point Diagram

PUZ-ZM35VKA / PUZ-ZM50VKA Circuit Board Layout

Diagram of the outdoor controller circuit board for PUZ-ZM35VKA/PUZ-ZM50VKA showing test points.

PUZ-ZM60VHA / PUZ-ZM71VHA Circuit Board Layout

Diagram of the outdoor controller circuit board for PUZ-ZM60VHA/PUZ-ZM71VHA showing test points.

Outdoor Power Circuit Board Layout

Diagram of the outdoor power circuit board for PUZ-ZM60VHA/PUZ-ZM71VHA showing test points and checks.

10-10 Function of Switches, Connectors, Jumpers

Operating Error Code Details

U and P Series Error Codes

Detailed descriptions of error codes detected during unit operation, including U and P series codes.

Outdoor Unit Operation Monitor

11 Function Setting

Remote Controller Function Selection

Function Setting Details

Wireless Remote Controller Function Selection (Type C)

Wireless Remote Controller Function Selection (PAR-SL100A-E)

11-2 Function Selection of Remote Controller

12 Monitoring Operation Data

Accessing Operation Data via Remote Controller

Steps to monitor operation data, including thermistor temperatures and error history, using the remote controller.

Request Code List

Request Codes 0-49 and Their Details

Lists request codes for operation state, compressor data, and temperatures, with their ranges.

Request Code Details

13 Easy Maintenance Function

14 Disassembly Procedure

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