SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES
·······································
2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································5
4. OUTLINES AND DIMENSIONS ························ 7
5. WIRING DIAGRAM ············································ 9
6. REFRIGERANT SYSTEM DIAGRAM ············· 11
7. SERVICE FUNCTIONS ···································12
8. MICROPROCESSOR CONTROL ···················14
9. TROUBLESHOOTING ·····································21
10. DISASSEMBLY INSTRUCTIONS ···················· 40
No. OBH548
REVISED EDITION-D
SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
Outdoor unit service manual
MUZ-GE•NA MUY-GE•NA
Series (OBH549)
MXZ-B·NA Series (OB444)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
PARTS CATALOG (OBB548)
Revision D:
• MSZ-GE06/09/12/15/18NA-
9
and MSY-
GE09/12/15/18NA-
9
have been added.
Please void OBH548 REVISED EDITION-C
MSZ-GE06NA
MSZ-GE09NA
MSZ-GE12NA
MSZ-GE15NA
MSZ-GE18NA
MSZ-GE24NA
MSY-GE09NA
MSY-GE12NA
MSY-GE15NA
MSY-GE18NA
MSY-GE24NA
Models
MSZ-GE06/09/12/15/18NA
MSY-GE09/12/15/18NA
MSZ-GE06NA-
8
,
9
MSZ-GE09NA-
8
,
9
MSZ-GE12NA-
8
,
9
MSZ-GE15NA-
8
,
9
MSZ-GE18NA-
8
,
9
MSY-GE09NA-
8
,
9
MSY-GE12NA-
8
,
9
MSY-GE15NA-
8
,
9
MSY-GE18NA-
8
,
9
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