SERVICE MANUAL
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
Wireless type
Models
MSZ-GA50VA -
MSZ-GA60VA -
MSZ-GA71VA -
E1
E1
E1
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS Parts List.
INDOOR UNIT
No. OB388
REVISED EDITION-C
Please void OB388 REVISED EDITION-B
Revision:C
• PARTS LIST and RoHS PARTS LIST have been
changed.
Outdoor unit service manual
MUZ-GA•VA Series (OB389)
MXZ-A•VA Series (OB377)
OB388C.qxp 06.12.25 11:04 AM Page 1
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