Mitsubishi Electric PUY-A36NHA User Manual

SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES·································2
2. REFERENCE MANUAL··································2
3. SAFETY PRECAUTION··································3
4. FEATURES ·····················································6
5. SPECIFICATIONS···········································7
6. DATA ·······························································9
7. OUTLINES AND DIMENSIONS····················13
8. WIRING DIAGRAM·······································16
9. WIRING SPECIFICATIONS ··························20
10. REFRIGERANT SYSTEM DIAGRAM ··············23
11. TROUBLESHOOTING···································26
12. EASY MAINTENANCE FUNCTION··············81
13. FUNCTION SETTING····································84
14. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ············92
15. DISASSEMBLY PROCEDURE ···················102
16. PARTS LIST ················································117
17. RoHS PARTS LIST ·····································126
No.OC367
REVISED EDITION-C
R410A
June 2007
[model names]
PUZ-A18NHA
PUZ-A24NHA
PUZ-A30NHA
PUZ-A36NHA
PUZ-A42NHA
PUZ-A18NHA-BS
PUZ-A24NHA-BS
PUZ-A30NHA-BS
PUZ-A36NHA-BS
PUZ-A42NHA-BS
PUY-A12NHA
PUY-A18NHA
PUY-A24NHA
PUY-A30NHA
PUY-A36NHA
PUY-A42NHA
PUY-A12NHA-BS
PUY-A18NHA-BS
PUY-A24NHA-BS
PUY-A30NHA-BS
PUY-A36NHA-BS
PUY-A42NHA-BS
[Service Ref.]
PUZ-A18NHA
PUZ-A24NHA
PUZ-A30NHA
PUZ-A36NHA
PUZ-A42NHA
PUZ-A18NHA-BS
PUZ-A24NHA-BS
PUZ-A30NHA-BS
PUZ-A36NHA-BS
PUZ-A42NHA-BS
PUY-A12NHA PUY-A12NHA
1
PUY-A18NHA PUY-A18NHA1
PUY-A24NHA PUY-A24NHA1
PUY-A30NHA PUY-A30NHA1
PUY-A36NHA PUY-A36NHA1
PUY-A42NHA
PUY-A12NHA
1-BS
PUY-A18NHA
1-BS
PUY-A24NHA
1-BS
PUY-A30NHA
1-BS
PUY-A36NHA
1-BS
PUY-A42NHA-BS
NOTE:
• This manual describes only
service data of the outdoor
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
• For servicing RoHS compliant
products, refer to the RoHS
PARTS LIST.
PUZ-A24/30/36NHA
PUY-A24/30/36NHA
Revision:
• “9-2. SEPARATE INDOOR
UNIT/OUTDOOR UNIT
POWER SUPPLIES” is
deleted in REVISED
EDITION-C.
• Some descriptions have
been modified.
• Please void OC367 REVISED
EDITION-B.
Outdoor unit
OC367C--1.qxp 07.6.20 0:56 PM Page 1

Mitsubishi Electric PUY-A36NHA Specifications

General

Brand	Mitsubishi Electric
Model	PUY-A36NHA
Category	Air Conditioner
Language	English

Summary

Technical Changes

Reference Manuals

Lists reference manuals for indoor units and data books.

Safety Precaution

Cautions Related to New Refrigerant

Specific safety precautions for R410A refrigerant.

Features

Chargeless System

Pre-charged refrigerant for piping length at shipment.

Specifications

Data

Refilling Refrigerant Charge

Table showing refrigerant charge amounts by piping length.

Outlines and Dimensions

Minimum Installation Space for Outdoor Unit

Specifies required clearance around outdoor units.

Wiring Diagram

Wiring Specifications

M-NET Wiring and Address Settings

Guidelines for M-NET communication wiring and address configuration.

Refrigerant System Diagram

Troubleshooting

Troubleshooting Summary and Actions

Summary table of error codes, actions, and test run checks.

How to Proceed "Self-Diagnosis"

Self-Diagnosis Procedures and Remote Controller Issues

Covers self-diagnosis, error code reading, and remote controller troubleshooting.

Self-Diagnosis Action Table

Abnormalities Detected (Power On and Operation)

Actions for abnormalities detected during power-on and operation.

Troubleshooting by Inferior Phenomena

Remote Controller Display Issues

Steps for when the remote controller display is blank, persistent, or unstable.

Easy Maintenance Function

Maintenance Mode and Operation Guide

How to use maintenance mode and interpret operation conditions.

Function Setting

Remote Controller Function Settings

How to set unit functions and modes via remote controller.

Monitoring the Operation Data by the Remote Controller

Monitoring Operation Data and Request Codes

Guide to monitoring data and list of request codes via remote controller.

Disassembly Procedure

Removing Major Components

Procedures for removing panels, fan motor, electrical box, and major parts.

Parts List (non-RoHS compliant)

Structural and Functional Parts

Lists structural and functional components.

RoHS Parts List (RoHS compliant)

Function of Switches, Connectors and Jumpers

Switch and Special Functions

Details functions of switches, connectors, and special modes like sound priority.