Mitsubishi Electric MUZ-GC25VA-E1 User Manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. SPECIFICATION·················································3
4. NOISE CRITERIA CURVES·······························5
5. OUTLINES AND DIMENSIONS ·························6
6. WIRING DIAGRAM ············································7
7. REFRIGERANT SYSTEM DIAGRAM ··············11
8. PERFORMANCE CURVES······························13
9. ACTUATOR CONTROL····································22
10. SERVICE FUNCTIONS·····································23
11. TROUBLESHOOTING······································23
12. DISASSEMBLY INSTRUCTIONS·····················42
Wireless type
Models
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MUZ-GC25VA -
MUZ-GC25VAH -
MUZ-GC35VA -
MUZ-GC35VAH -
E1
E1
E1
E1
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
HFC
utilized
R410A
No. OBH469
OUTDOOR UNIT
Indoor unit service manual
MSZ-GC•VA Series (OBH468)
MUZ-GC25VA
MUZ-GC25VAH
PARTS CATALOG (OBB469)
OBH469--1.qxp 07.1.22 1:28 PM Page 1

Mitsubishi Electric MUZ-GC25VA-E1 Specifications

General

Model	MUZ-GC25VA-E1
Cooling Capacity	2.5 kW
Power Supply	220-240 V, 50 Hz
Energy Efficiency Class (Cooling)	A
Weight (Indoor Unit)	9.0 kg
Noise Level (Outdoor)	50 dB(A)

Summary

Performance, Diagrams, and System Details

Wiring Diagrams

Illustrates the electrical circuit layout and connections for various outdoor unit models.

Refrigerant System Diagram

Depicts the flow of refrigerant and the arrangement of system components.

Performance Curves and Operating Data

Control, Service, and Troubleshooting

Troubleshooting Overview and Fault Diagnosis

Comprehensive guide to diagnosing and resolving unit malfunctions and errors.

Failure Mode Recall and Analysis

Steps to recall and interpret memorized fault codes for accurate diagnosis.

Troubleshooting Tables and Flowcharts

Tables and flowcharts for diagnosing specific issues like component failures and system errors.

Component Testing and Disassembly

Inverter and Power Board Test Points

Disassembly Instructions for Outdoor Unit

Step-by-step guidance for safely disassembling the outdoor unit and its main parts.

Component Removal Procedures