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Mitsubishi Electric MUZ-FD25VA-E1 User Manual

Mitsubishi Electric MUZ-FD25VA-E1
44 pages
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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································3
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································4
4. NOISE CRITERIA CURVES·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM··············10
8. PERFORMANCE CURVES······························11
9. ACTUATOR CONTROL····································22
10. SERVICE FUNCTIONS·····································23
11. TROUBLESHOOTING······································23
12. DISASSEMBLY INSTRUCTIONS·····················39
Wireless type
Models
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MUZ-FD25VA -
MUZ-FD25VAH -
MUZ-FD35VA -
MUZ-FD35VAH -
E1
E1
E1
E1
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
HFC
utilized
R410A
No. OBH489
OUTDOOR UNIT
Indoor unit service manual
MSZ-FDVA Series (OBH488)
PARTS CATALOG (OBB489)
OBH489--1.qxp 07.8.9 11:53 AM Page 1
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Mitsubishi Electric MUZ-FD25VA-E1 Specifications

General IconGeneral
CategoryAir Conditioner
BrandMitsubishi Electric
ModelMUZ-FD25VA-E1
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Power Supply220-240 V, 50 Hz
Seasonal Energy Efficiency Ratio (SEER)6.1
RefrigerantR32
Outdoor Unit Dimensions (W x H x D)800 x 550 x 285 mm
TypeSplit
Coefficient of Performance (COP)4.0
Noise Level (Indoor Unit)19 dB
Noise Level (Outdoor Unit)45 dB(A)

Summary

Specifications

Outlines and Dimensions

Wiring Diagram

Refrigerant System

Performance Curves

Service Functions

Change Defrost Setting

Procedure to modify the defrost finish temperature setting.

Pre-Heat Control Setting

Details on setting up the pre-heat control for low temperatures.

Troubleshooting

Troubleshooting Check Table

Table of symptoms, LED indications, conditions, and remedies for troubleshooting.

Troubleshooting Flow Charts

Diagnostic flowcharts for specific issues like inverter, compressor, thermistors, and communication.

Disassembly Instructions

Removing the Cabinet

Steps to remove the outer cabinet and panels of the unit.

Removing Compressor and 4-way Valve

Steps to remove the compressor and the 4-way valve assembly.

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