Mitsubishi Electric MSZ-GE42VAD-A1 User Manual

CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 9
5. OUTLINES AND DIMENSIONS ·······················11
6. WIRING DIAGRAM ·········································· 12
7. REFRIGERANT SYSTEM DIAGRAM ············· 14
8. SERVICE FUNCTIONS ··································· 15
9. MICROPROCESSOR CONTROL ··················· 17
10. TROUBLESHOOTING ····································· 25
11. DISASSEMBLY INSTRUCTIONS ···················· 45
SPLIT-TYPE AIR CONDITIONERS
SERVICE MANUAL
INDOOR UNIT
PARTS CATALOG (OBB531)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Models
MSZ-GE22VA
-
A1
MSZ-GE50VA
-
A1
MSZ-GE22VAD
-
A1
MSZ-GE50VA2
-
A1
MSZ-GE25VA
-
A1
MSZ-GE50VAD
-
A1
MSZ-GE25VAD
-
A1
MSZ-GE60VA
-
A1
MSZ-GE33VA
-
A1
MSZ-GE60VAD
-
A1
MSZ-GE35VA
-
A1
MSZ-GE71VA
-
A1
MSZ-GE35VA2
-
A1
MSZ-GE71VAD
-
A1
MSZ-GE35VAD
-
A1
MSZ-GE80VA
-
A1
MSZ-GE42VA
-
A1
MSZ-GE80VA2
-
A1
MSZ-GE42VAD
-
A1
MSZ-GE80VAD
-
A1
No. OBH531
REVISED EDITION-E
Please void OBH531 REVISED EDITION-D.
MSZ-GE22VA
MSZ-GE22VAD
MSZ-GE25VA
MSZ-GE25VAD
MSZ-GE33VA
MSZ-GE35VA
MSZ-GE35VA2
MSZ-GE35VAD
MSZ-GE42VA
MSZ-GE42VAD
MSZ-GE50VA
MSZ-GE50VA2
MSZ-GE50VAD
Revision E:
• MSZ-GE22VAD-
A1
has been added.
Outdoor unit service manual
MUZ-GE·VA Series (OBH532)
MXZ-A·VA Series (OB447)
MXZ-8A140A (OC316)
MXZ-B•VA (OBH567)

Mitsubishi Electric MSZ-GE42VAD-A1 Specifications

General

Brand	Mitsubishi Electric
Model	MSZ-GE42VAD-A1
Category	Air Conditioner
Language	English

Summary

Technical Changes and Model Updates

Revision History

Details revisions A through E, listing added or changed models.

Model Name Changes

Lists changes in indoor model names and related P.C. board/clamp updates.

Component Identification and Specifications

Part Names and Functions

Identifies and illustrates key parts of the indoor unit for various MSZ-GE models.

Technical Specifications

Provides electrical, airflow, sound level, and dimension data for MSZ-GE models.

Noise Criteria Curves

Displays octave band sound pressure levels for different fan speeds and modes.

System Diagrams and Service Functions

Wiring Diagrams

Illustrates the electrical connections for various MSZ-GE indoor units.

Refrigerant System Diagrams

Depicts the refrigerant piping and flow direction for cooling and heating.

Service Functions and Operation Modes

Covers timer operations, remote control, vane control, and special modes like i-save.

Troubleshooting and Maintenance

General Troubleshooting and Battery Replacement

Guides for diagnosing common faults, using check tables, and replacing remote controller batteries.

Failure Mode Recall Function

How to recall and clear stored fault codes for diagnosis.

Electronic Control P.C. Board and Component Checks

Test points, voltage references, PCB layouts, and part resistance checks.

Disassembly Instructions

Step-by-step guides for disassembling indoor unit components.