Table of Contents
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SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
SERVICE MANUAL
Models
MUZ-EF25VE
MUZ-EF25VE
MUZ-EF25VEH
MUZ-EF25VEH
MUZ-EF35VE
MUZ-EF35VE
MUZ-EF25VE MUZ-EF25VEH
MUZ-EF35VE MUZ-EF35VEH
MUZ-EF42VE
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
• MUZ-EF25/35/42/50VE -
have been added.
Please void OBH590 REVISED EDITION-A.
MUZ-EF35VEH
-
E1
MUZ-EF35VEH
-
E2
MUZ-EF42VE
-
E1
MUZ-EF42VE
-
E2
MUZ-EF50VE
-
E1
MUZ-EF50VE
-
E2
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 ··············11
8. PERFORMANCE CURVES ····························· 13
9. ACTUATOR CONTROL ··································· 27
10. SERVICE FUNCTIONS ···································· 28
11. TROUBLESHOOTING ····································· 29
12. DISASSEMBLY INSTRUCTIONS ···················· 46
PARTS CATALOG (OBB590)
and MUZ-EF25/35VEH -
E2
No. OBH590
HFC
REVISED EDITION-B
utilized
R410A
Indoor unit service manual
MSZ-EF•VE Series (OBH589)
E2
-
E1
-
E2
-
E1
-
E2
-
E1
-
E2
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Table of Contents
Troubleshooting
Related Manuals for Mitsubishi Electric MUZ-EF25VE - E2
Summarization of Contents
Technical Changes
Model and Inverter P.C. Board Updates
Details changes for new models and updates to the inverter P.C. board.
Refrigerant System Diagram
Refrigerant Piping and Charge Specifications
Covers maximum refrigerant piping length, height difference, and additional charge.
Performance Curves
Temperature Measurement and Capacity/Input Curves
Explains temperature measurement and presents capacity/input curves.
Compressor Frequency Correction
Details capacity and input correction based on compressor operational frequency.
Unit Operation and Current Data
Outlines fixed-frequency operation and outdoor unit current under various conditions.
Service Functions
Defrost and Pre-Heat Control Settings
Explains how to adjust defrost finish temperature and set pre-heat control.
Troubleshooting
Cautions and General Procedures
Provides safety precautions and general troubleshooting steps.
Failure Mode Recall Function
Describes how to recall and interpret failure modes for diagnosis.
Main Parts Trouble Criteria and Flows
Lists main components, criteria, and troubleshooting flowcharts for diagnosis.
Disassembly Instructions
Cabinet and Panel Removal
Instructions for removing the outer cabinet and service panels.
Component Removal Procedures
Details the removal of inverter, R.V. coil, thermistors, fan motor, compressor.
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