SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. SPECIFICATION·················································7
4. NOISE CRITERIA CURVES ·····························11
5. OUTLINES AND DIMENSIONS ·······················13
6. WIRING DIAGRAM ··········································17
7. REFRIGERANT SYSTEM DIAGRAM··············21
8. PERFORMANCE CURVES······························24
9. MICROPROCESSOR CONTROL ····················35
10. SERVICE FUNCTIONS·····································63
11. TROUBLESHOOTING······································66
12. DISASSEMBLY INSTRUCTIONS·····················97
13. PARTS LIST····················································106
14. OPTIONAL PARTS·········································115
Wireless type
Models
MSZ-G09SV -
(
WH
)
· MUZ-G09SV -
MSZ-G09SV -
(
WH
)
· MUZ-G09SV -
MSZ-G12SV -
(
WH
)
· MUZ-G12SV -
MSZ-G12SV -
(
WH
)
· MUZ-G12SV -
MSZ-G20SV -
(
WH
)
· MUZ-G20SV -
E1E1
E2E2
E1E1
E2E2
E1E1
No. OB245
REVISED EDITION-B
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Revision:
● MSZ-G20SV - has been added.
● SPECIFICATION, PERFORMANCE CURVES
and PARTS LIST have been added.
● Please void OB245 REVISED EDITION-A.
E1
MSZ-G20SV -
E1
OB245 --1qxp 02.10.22 4:08 PM Page 1
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