Mitsubishi Electronics MSZ-FDNA User Manual
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
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
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
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
3-2. 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
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