Mitsubishi Electric MUZ-GS24NA 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-GS24NA Specifications

General

Brand	Mitsubishi Electric
Model	MUZ-GS24NA
Category	Air Conditioner
Language	English

Summary

WIRING DIAGRAM

REFRIGERANT SYSTEM DIAGRAM

CAPACITY AND INPUT CORRECTION BY INVERTER OUTPUT FREQUENCY

Correction factors for capacity and input based on compressor frequency.

HOW TO OPERATE FIXED-FREQUENCY OPERATION (Test run operation)

Instructions for performing a fixed-frequency test run.

TROUBLESHOOTING

CAUTIONS ON TROUBLESHOOTING

Safety precautions and initial checks before troubleshooting.

FAILURE MODE RECALL FUNCTION

Method for recalling and interpreting error codes.

TROUBLESHOOTING CHECK TABLE

A table listing failure modes and corresponding remedies.

TROUBLESHOOTING CRITERION OF MAIN PARTS

Resistance and voltage values for component checks.

TROUBLESHOOTING FLOW

Diagnostic flowcharts for identifying and resolving problems.

TEST POINT DIAGRAM AND VOLTAGE

Diagrams and voltage readings for troubleshooting P.C. boards.

DISASSEMBLY INSTRUCTIONS

Removing the cabinet

Steps to remove the external cabinet of the unit.

Removing the inverter assembly, inverter P.C. board