Table of Contents
Advertisement
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
INDOOR UNIT
SERVICE MANUAL
Wireless type
Models
MSZ-GA50VA -
MSZ-GA60VA -
MSZ-GA71VA -
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS Parts List.
Revision:C
• PARTS LIST and RoHS PARTS LIST have been
changed.
Please void OB388 REVISED EDITION-B
E1
E1
E1
Outdoor unit service manual
MUZ-GA•VA Series (OB389)
MXZ-A•VA Series (OB377)
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES ·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM ················9
8. SERVICE FUNCTIONS ····································10
9. TROUBLESHOOTING······································12
10. DISASSEMBLY INSTRUCTIONS·····················24
11. PARTS LIST······················································27
12. RoHS PARTS LIST···········································28
13. OPTIONAL PARTS···········································30
No. OB388
REVISED EDITION-C
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Mitsubishi MSZ-GA60VA
Summarization of Contents
PART NAMES AND FUNCTIONS
ACCESSORIES
Lists items provided with the indoor unit, such as installation plate and screws.
REMOTE CONTROLLER
Details the functions and buttons of the wireless remote control unit.
SERVICE FUNCTIONS
TIMER SHORT MODE
Shortens time for compressor start-up by short-circuiting JPG and JPS.
P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION
Modifies PC boards for individual operation of multiple indoor units.
AUTO RESTART FUNCTION
Unit restarts automatically after power failure using memorized settings.
How to release AUTO RESTART FUNCTION
Procedures to disable the auto restart function by modifying the PC board.
TROUBLESHOOTING
Cautions on troubleshooting
Safety precautions and initial checks before troubleshooting the unit.
Failure mode recall function
Recalls and displays memorized failure details even if the LED indication disappears.
Instruction of troubleshooting
Flowchart for troubleshooting various operational issues based on indicator lamp status.
DISASSEMBLY INSTRUCTIONS
Removing the front panel
Instructions for removing the front panel of the indoor unit.
Removing the electronic control P.C. board, the receiver P.C. board and the display P.C. board
Step-by-step guide to remove internal P.C. boards and related components.
Removing the electrical box
Procedures for removing the electrical box containing various components.
Removing the vane motor
Instructions for safely removing the vane motor assembly.
Removing the line flow fan and the indoor fan motor
Steps for disassembling and removing the fan motor and fan assembly.
PARTS LIST (non-RoHS compliant)
INDOOR UNIT STRUCTURAL PARTS
Lists structural parts of the indoor unit for non-RoHS compliant models.
INDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
Lists functional and electrical parts of the indoor unit (non-RoHS).
Need help?
Do you have a question about the MSZ-GA60VA and is the answer not in the manual?
Questions and answers