SERVICE MANUAL
CONTENTS
1. PART NAMES AND FUNCTIONS······················2
2. SPECIFICATION·················································4
3. NOISE CRITERIA CURVES·······························5
4. OUTLINES AND DIMENSIONS ·························6
5. WIRING DIAGRAM ············································7
6. REFRIGERANT SYSTEM DIAGRAM················8
7. SERVICE FUNCTIONS ······································9
8. TROUBLESHOOTING······································11
9. DISASSEMBLY INSTRUCTIONS ····················19
10. PARTS LIST······················································21
11. OPTIONAL PARTS···········································23
Wireless type
Models
MSZ-A18YV -
MSZ-A24YV -
MSZ-A26YV -
E1
E1
E1
No. OB345
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MSZ-A18YV -
MSZ-A24YV -
MSZ-A26YV -
E1
E1
E1
Indication of model name
NOTE:
This service manual describes technical data of the indoor unit.
•Refer to the service manual OB346 when MSZ-A18YV - , MSZ-A24YV - or MSZ-A26YV -
is connected with MUZ-A18YV - , MUZ-A24YV - or MUZ-A26YV - .
•Refer to the service manual OB319 when MSZ-A18YV - , MSZ-A24YV - or MSZ-A26YV -
is connected with MXZ-A26WV - or MXZ-A32WV - as multi system units.
E1E1
E1E1E1
E1E1E1
E1E1E1
OB345-1.qxp 04.4.22 11:43 AM Page 1
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