Mitsubishi Electric MUZ-GE71VAD-a1 User Manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 6
4. NOISE CRITERIA CURVES ·····························11
5. OUTLINES AND DIMENSIONS ······················ 13
6. WIRING DIAGRAM ·········································· 15
7. REFRIGERANT SYSTEM DIAGRAM ············· 27
8. PERFORMANCE CURVES ····························· 31
9. ACTUATOR CONTROL ··································· 63
10. SERVICE FUNCTIONS ···································· 64
11. TROUBLESHOOTING ····································· 65
12. DISASSEMBLY INSTRUCTIONS ···················· 86
SPLIT-TYPE AIR CONDITIONERS
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
HFC
utilized
R410A
OUTDOOR UNIT
Indoor unit service manual
MSZ-GE•VA Series (OBH531)
PARTS CATALOG (OBB532)
MUZ-GE25VA
MUZ-GE25VAD
MUZ-GE33VA
MUZ-GE35VA
MUZ-GE35VA2
MUZ-GE35VAD
MUZ-GE42VA
MUZ-GE42VAD
Models
MUZ-GE25VA
-
A1
MUZ-GE50VA
-
A1
MUZ-GE25VA
-
A2
MUZ-GE50VA2
-
A1
MUZ-GE25VAD
-
A1
MUZ-GE50VAD
-
A1
MUZ-GE33VA
-
A1
MUZ-GE60VA
-
A1
MUZ-GE35VA
-
A1
MUZ-GE60VAD
-
A1
MUZ-GE35VA2
-
A1
MUZ-GE71VA
-
A1
MUZ-GE35VA2
-
A2
MUZ-GE71VAD
-
A1
MUZ-GE35VAD
-
A1
MUZ-GE80VA
-
A1
MUZ-GE42VA
-
A1
MUZ-GE80VA2
-
A1
MUZ-GE42VAD
-
A1
MUZ-GE80VAD
-
A1
No. OBH532
REVISED EDITION-E
Please void OBH532 REVISED EDITION-D.
Revision E:
• MUZ-GE25VAD-
A1
, MUZ-GE35VAD-
A1
, MUZ-GE42VAD-
A1
,
MUZ-GE50VAD-
A1
, MUZ-GE60VAD-
A1
, MUZ-GE71VAD-
A1
and MUZ-GE80VAD-
A1
have been added.

Mitsubishi Electric MUZ-GE71VAD-a1 Specifications

General

Cooling Capacity	7.1 kW
Heating Capacity	8.0 kW
Type	Air Conditioner
Power Supply	220-240 V
Indoor Unit Noise Level	19 dB(A)
Outdoor Unit Dimensions (W x H x D)	330 mm
Noise Level (Indoor Unit)	19 dB(A)

Summary

SPECIFICATION

WIRING DIAGRAM

SERVICE FUNCTIONS

DEFROST SETTING ADJUSTMENT

Procedure to change the defrost finish temperature setting.

PRE-HEAT CONTROL CONFIGURATION

Controls pre-heating to prevent compressor issues from moisture.

TROUBLESHOOTING

TROUBLESHOOTING SAFETY PRECAUTIONS

Important safety and handling precautions before troubleshooting.

FAILURE MODE RECALL DIAGNOSTICS

TROUBLESHOOTING SYMPTOM TABLE

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

MAIN PARTS TROUBLESHOOTING CRITERIA

COMPONENT TROUBLESHOOTING FLOWS

Step-by-step troubleshooting procedures for various components.