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1. MS MICROPROCESSOR CONTROL ···························································4
Indoor unit models Outdoor unit models
MS-A09WA MU-A09WA
MS-A12WA MU-A12WA
1-1. COOL OPERATION ···············································································4
1-2. DRY OPERATION ··················································································4
1-3. AUTO VANE OPERATION ·····································································6
2. MSZ, MSY MICROPROCESSOR CONTROL ···············································7
Indoor unit models Outdoor unit models
MSZ-A09NA MSZ-FD09NA MUZ-A09NA MUZ-FD09NA
MSZ-A12NA MSZ-FD12NA MUZ-A12NA MUZ-FD12NA
MSZ-A15NA MSZ-D30NA MUZ-A15NA MUZ-D30NA
MSZ-A17NA MSZ-D36NA MUZ-A17NA MUZ-D36NA
MSZ-A24NA MSY-D30NA MUZ-A24NA MUY-D30NA
MSY-A15NA MSY-D36NA MUY-A15NA MUY-D36NA
MSY-A17NA MUY-A17NA
MSY-A24NA MUY-A24NA
2-1. COOL OPERATION ··············································································7
2-2. DRY OPERATION ·················································································8
2-3. HEAT OPERATION ···············································································8
2-4. AUTO CHANGE OVER ··· AUTO MODE OPERATION ·····················10
2-5. OUTDOOR FAN MOTOR CONTROL ················································· 11
2-6. AUTO VANE OPERATION ··································································11
2-7
.
INVERTER SYSTEM CONTROL ························································12
2-8
.
OPERATIONAL FREQUENCY CONTROL OF OUTDOOR UNIT ·····17
2-9
.
EXPANSION VALVE CONTROL (LEV CONTROL) ···························18
3. MXZ MICROPROCESSOR CONTROL ·······················································21
Outdoor unit models
MXZ-2A20NA
MXZ-3A30NA
MXZ-4A36NA
3-1. INVERTER SYSTEM CONTROL ·························································21
3-2. EXPANSION VALVE CONTROL (LEV CONTROL) ····························23
3-3. OPERATIONAL FREQUENCY RANGE ··············································29
3-4. HEAT DEFROSTING CONTROL ·························································
30
3-5.
DISCHARGE TEMPERATURE PROTECTION CONTROL ·······················30
3-6. OUTDOOR FAN CONTROL ································································
30
3-7. PRE-HEAT CONTROL ·········································································
31
3-8.
COOL OPERATION ····················································································31
3-9.
DRY OPERATION ·································································· BACK COVER
3-
10
. HEAT OPERATION ···························································
BACK COVER
3