Mitsubishi MUZ-GE25VA User Manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 7
5. OUTLINES AND DIMENSIONS ························ 8
6. WIRING DIAGRAM ············································ 9
7. REFRIGERANT SYSTEM DIAGRAM ············· 15
8. PERFORMANCE CURVES ····························· 17
9. ACTUATOR CONTROL ··································· 31
10. SERVICE FUNCTIONS ···································· 32
11. TROUBLESHOOTING ····································· 32
12. DISASSEMBLY INSTRUCTIONS ···················· 50
Models
SPLIT-TYPE AIR CONDITIONERS
MUZ-GE25VA -
E1
MUZ-GE25VAH -
E1
MUZ-GE35VA -
E1
MUZ-GE35VAH -
E1
MUZ-GE42VA -
E1
MUZ-GE42VAH -
E1
MUZ-GE50VA -
E1
MUZ-GE50VAH -
E1
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
HFC
utilized
R410A
No. OBH516
REVISED EDITION-A
OUTDOOR UNIT
Indoor unit service manual
MSZ-GE•VA Series (OBH515)
MSZ-CGE•VA Series (OBH523)
PARTS CATALOG (OBB516)
MUZ-GE25/35/42VA
Revision A:
• MUZ-GE42/50VA(H) -
E1
has been added.
Please void OBH516.

Mitsubishi MUZ-GE25VA Specifications

General

Category	Air Conditioner
Type	Split System
Cooling Capacity	2.5 kW
Heating Capacity	3.2 kW
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Indoor Unit Dimensions (W x H x D)	798 x 295 x 232 mm
Weight (Indoor Unit)	9 kg
Noise Level (Outdoor Unit)	50 dB(A)
Noise Level (Indoor Unit)	19 dB

Summary

Unit Specifications

Unit Dimensions and Clearances

Wiring Diagrams

Refrigerant System Diagrams

Performance Curves

Service Functions and Settings

Troubleshooting Guide

Cautions for Troubleshooting

Failure Mode Recall Function

Procedure to recall and interpret memorized fault codes.

Outdoor Unit Failure Mode Table

Lists outdoor unit failure modes, LED indications, conditions, and solutions.

Troubleshooting Check Table

Detailed symptoms, LED indications, conditions, and troubleshooting steps.

Troubleshooting Criteria for Main Parts

Resistance and voltage check criteria for key operational parts.

Troubleshooting Flowcharts

Test Point Diagrams and Voltages

Inverter P.C. Board Details

Disassembly Instructions

MUZ-GE25/35/42VA Component Removal

MUZ-GE50VA Component Removal