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1. MS MICROPROCESSOR CONTROL ···························································3
Indoor unit models Outdoor unit models
MS-A09WA MU-A09WA
MS-A12WA MU-A12WA
1-1. COOL OPERATION················································································3
1-2. DRY OPERATION ··················································································3
1-3. AUTO VANE OPERATION·····································································5
2. MSZ, MSY MICROPROCESSOR CONTROL ···············································6
Indoor unit models Outdoor unit models
MSZ-A09NA MUZ-A09NA
MSZ-A12NA MUZ-A12NA
MSZ-A15NA MUZ-A15NA
MSZ-A17NA MUZ-A17NA
MSZ-A24NA MUZ-A24NA
MSY-A15NA MUY-A15NA
MSY-A17NA MUY-A17NA
MSY-A24NA MUY-A24NA
2-1. COOL OPERATION···············································································6
2-2. DRY OPERATION ·················································································7
2-3. HEAT OPERATION ···············································································7
2-4. AUTO CHANGE OVER ··· AUTO MODE OPERATION························9
2-5. OUTDOOR FAN MOTOR CONTROL ·················································10
2-6. AUTO VANE OPERATION··································································10
2-7
.
INVERTER SYSTEM CONTROL························································12
2-8
.
OPERATIONAL FREQUENCY CONTROL OF OUTDOOR UNIT······16
2-9
.
EXPANSION VALVE CONTROL (LEV CONTROL)···························17
3. MXZ MICROPROCESSOR CONTROL ·······················································20
Outdoor unit models
MXZ-2A20NA
MXZ-3A30NA
3-1. INVERTER SYSTEM CONTROL ·························································20
3-2. EXPANSION VALVE CONTROL (LEV CONTROL) ····························22
3-3. OPERATIONAL FREQUENCY RANGE···············································27
3-4. HEAT DEFROSTING CONTROL·········································
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3-5.
DISCHARGE TEMPERATURE PROTECTION CONTROL ·····BACK PAGE
3-6. OUTDOOR FAN CONTROL ················································
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