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SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················5
3. SPECIFICATION·················································7
4. NOISE CRITERIA CURVES ·······························8
5. OUTLINES AND DIMENSIONS ························ 9
6. WIRING DIAGRAM···········································11
7. REFRIGERANT SYSTEM DIAGRAM ··············13
8. PERFORMANCE CURVES ······························15
9. MICROPROCESSOR CONTROL ····················23
10. SERVICE FUNCTIONS·····································33
11. TROUBLESHOOTING ······································35
12. DISASSEMBLY INSTRUCTIONS·····················47
13. PARTS LIST······················································53
14. OPTIONAL PARTS···········································58
Wireless type
Model
MSH-C18TV -
(WH)
· MUH-C18TV -
MSH-C24TV -
(WH)
· MUH-C24TV -
E1
E1
E1
E1
No. OB279
MSH-C18TV -
MSH-C24TV -
E1
E1
HFC
utilized
R407C
OB279-1.qxp 2/15/01 10:44 AM Page 1