Mitsubishi Electric PUHZ-RP3VHA User Manual

TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. SAFETY PRECAUTION··································3
2. COMBINATION OF INDOOR AND OUTDOOR UNITS ···7
3. PART NAMES AND FUNCTIONS ··················7
4. SPECIFICATIONS···········································8
5. DATA ·····························································10
6. OUTLINES AND DIMENSIONS····················12
7. WIRING DIAGRAM·······································14
8. WIRING SPECIFICATIONS ··························16
9. REFRIGERANT SYSTEM DIAGRAM ·············17
10.TROUBLESHOOTING····································21
11. DISASSEMBLY PROCEDURE······················66
12. PARTS LIST ··················································76
13. OPTIONAL PARTS························Back Cover
No.OC294
R410A
2003
Outdoor unit
[model names]
PUHZ-RP3VHA
PUHZ-RP4VHA
PUHZ-RP5VHA
PUHZ-RP6VHA
[Service Ref.]
PUHZ-RP3VHA
PUHZ-RP4VHA
PUHZ-RP5VHA
PUHZ-RP6VHA
OC294--1.qxp 03.6.9 7:36 PM Page 1

Mitsubishi Electric PUHZ-RP3VHA Specifications

General

Brand	Mitsubishi Electric
Model	PUHZ-RP3VHA
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTION

New Refrigerant Handling and Service Precautions

Guidelines for R410A refrigerant, piping, tools, service, and charge procedures.

R410A Refrigerant Service Tools

Exclusive tools required for R410A refrigerant work and their specifications.

Reusing R22 Pipes with R410A Units

SPECIFICATIONS

DATA

Refilling Refrigerant Charge and Compressor Data

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

Wiring Diagram and Symbols for PUHZ-RP3VHA

WIRING SPECIFICATIONS

Indoor-Outdoor Connecting Cable Specifications

REFRIGERANT SYSTEM DIAGRAM

Refrigerant System Diagrams for Multiple Models

TROUBLESHOOTING

Troubleshooting Summary and Error Code Actions

Summary of error codes and actions for recurring and non-recurring issues.

Test Run Procedures and Controller Checks

Procedures for test runs and diagnostic checks using remote controllers and unit switches.

Malfunction Diagnosis Methods by Remote Controller

Methods for diagnosing malfunctions using wired and wireless remote controllers, including error history search.

Self-Diagnosis Action Table

Table detailing error codes, their meaning, detection methods, cases, and judgment/action.

Troubleshooting by Phenomena and Component Checks

Guide for troubleshooting based on observed phenomena and procedures for checking key components.

Emergency Operation and Configuration Settings

Test Point Diagrams and Switch/Connector Functions

Remote Controller Function Selection Procedures

DISASSEMBLY PROCEDURE

Removing Refrigerant Circuit Components