Mitsubishi Electric MUZ-GS30NA2-U1 User Manual

PARTS CATALOG (OBB875)
CONTENTS
1. TECHNICAL CHANGES ······························2
2. PART NAMES AND FUNCTIONS ··················3
3. SPECIFICATION ········································4
4. OUTLINES AND DIMENSIONS ··················· 10
5. WIRING DIAGRAM ··································· 12
6. REFRIGERANT SYSTEM DIAGRAM ··········· 21
7. DATA ······················································26
8. ACTUATOR CONTROL ····························· 57
9. SERVICE FUNCTIONS ······························58
10. TROUBLESHOOTING ······························· 59
11. DISASSEMBLY INSTRUCTIONS ················· 87
HFC
utilized
R410A
OUTDOOR UNIT
SERVICE MANUAL
No. OBH875
REVISED EDITION-B
Indoor unit service manual
MSZ-GS•NA, MSY-GS•NA Series (OBH874)
OBH875 REVISED EDITION-A is void.
Revision B:
• MUZ-GS09/12/15/18/24NA -
U1
,
MUZ-GS09/12/15/18/24NAH -
U1
,
MUZ-GS09/12/15/18/24NAHZ -
U1
,
MUY-GS09/12/15/18/24NA -
U1
,
MUZ-GS30/36NA2 -
U1
, MUZ-GS30/36NAH2 -
U1
and MUY-GS30/36NA2 -
U1
have been added.
MUZ-GS18/24/30/36NA MUZ-GS18/24/30/36NAH
MUZ-GS18/24NAHZ MUY-GS18/24/30/36NA
MUZ-GS30/36NA2 MUZ-GS30/36NAH2
MUY-GS30/36NA2
Models
MUZ-GS09NA -
U1
MUZ-GS18NAH -
U1
MUY-GS09NA -
U1
MUZ-GS12NA -
U1
MUZ-GS24NAH -
U1
MUY-GS12NA -
U1
MUZ-GS15NA -
U1
MUZ-GS30NAH -
U1
MUY-GS15NA -
U1
MUZ-GS18NA -
U1
MUZ-GS30NAH2 -
U1
MUY-GS18NA -
U1
MUZ-GS24NA -
U1
MUZ-GS36NAH -
U1
MUY-GS24NA -
U1
MUZ-GS30NA -
U1
MUZ-GS36NAH2 -
U1
MUY-GS30NA -
U1
MUZ-GS30NA2 -
U1
MUZ-GS09NAHZ -
U1
MUY-GS30NA2 -
U1
MUZ-GS36NA -
U1
MUZ-GS12NAHZ -
U1
MUY-GS36NA -
U1
MUZ-GS36NA2 -
U1
MUZ-GS15NAHZ -
U1
MUY-GS36NA2 -
U1
MUZ-GS09NAH -
U1
MUZ-GS18NAHZ -
U1
MUZ-GS12NAH -
U1
MUZ-GS24NAHZ -
U1
MUZ-GS15NAH -
U1

Mitsubishi Electric MUZ-GS30NA2-U1 Specifications

General

Brand	Mitsubishi Electric
Model	MUZ-GS30NA2-U1
Category	Air Conditioner
Language	English

Summary

Safety and Precautions

Use the Specified Refrigerant Only

Emphasizes using only the specified refrigerant for safety.

Preparation Before Repair Service

Outlines necessary preparations before commencing repair work.

Precautions During Repair Service

Details essential precautions to observe while performing repair tasks.

Technical Changes

Wiring Diagram

Refrigerant System Diagrams

Refrigerant Piping Specifications

Specifies maximum refrigerant piping length and height difference.

Additional Refrigerant Charge

Service Functions

Change in Defrost Setting

Pre-Heat Control Setting

Troubleshooting

Cautions on Troubleshooting

General safety and preparatory guidelines for troubleshooting.

Failure Mode Recall Function

Procedure to recall and analyze past failure modes.

Troubleshooting Check Table

Table listing symptoms, LED indications, and remedies.

Troubleshooting Criterion of Main Parts

Criteria for checking the resistance and condition of main parts.

Troubleshooting Flow

Step-by-step diagnostic procedures for various components.

Test Point Diagram and Voltage

Disassembly Instructions

Removing the Cabinet

Removing the Inverter Assembly and P.C. Boards

Removing Compressor and 4-way Valve