SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································3
2. PART NAMES AND FUNCTIONS······················6
3. SPECIFICATION·················································7
4. NOISE CRITERIA CURVES·······························8
5. OUTLINES AND DIMENSIONS ·························9
6. WIRING DIAGRAM ··········································10
7. REFRIGERANT SYSTEM DIAGRAM··············12
8. PERFORMANCE CURVES······························15
9. MICROPROCESSOR CONTROL ····················25
10. SERVICE FUNCTIONS·····································29
11. TROUBLESHOOTING······································29
12. DISASSEMBLY INSTRUCTIONS·····················39
13. PARTS LIST······················································43
Wireless type
Models
MUH-A18WV -
MUH-A24WV -
MUH-A30WV -
E1
E1
E1
No. OB322
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MUH-A18WV -
E1
Indication of model name
NOTE:
•This service manual describes technical data of outdoor unit.
As for indoor unit MSH-A18WV- , MSH-A24WV- and MSH-A30V- ,
refer to the service manual OB321.
E1E1E1
OB322-1.qxp 03.11.13 4:06 PM Page 1
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