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1. Specifications
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Section
– 25 –
SM830076
2. Processes and functions
2. PROCESSES AND FUNCTIONS
2-1 Room Temperature Control .......................................................................... 26
(A) Cooling .....................................................................................................26
(B) Heating .....................................................................................................27
2-2 Cold Draft Prevention (Heating Cycle) .......................................................... 28
2-3 Automatic Fan Speed (Indoor Unit)............................................................... 29
(A) Cooling .....................................................................................................29
(B) Heating .....................................................................................................29
2-4 Outdoor Fan Speed Control .......................................................................... 30
(A) Cooling .....................................................................................................30
(B) Heating .....................................................................................................30
2-5 Freeze Prevention (Cooling) ......................................................................... 31
2-6 Condensing Temperature Control (Cooling) ................................................. 32
2-7 Overload Protection (Heating)....................................................................... 33
2-8 Discharge Temperature Control (Cooling and Heating) ................................ 34
2-9 Auto. Mode for Automatic Heating/Cooling Switching................................... 35
2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)......................... 37
2-11 4-Way Valve, Solenoid Control ..................................................................... 38
(A) Normal Control Mode ...............................................................................38
(B) AUTO Control Mode .................................................................................39
2-12 Automatic Restart after Power Interruption ................................................... 39
2-13 Electronic Expansion Valve .......................................................................... 40
2-14 Compressor Discharge Gas Temperature .................................................... 40
(A) Cooling .....................................................................................................40
(B) Heating (Except During Defrosting) ......................................................... 40
2-15 Compressor Current Detection Circuit .......................................................... 41
2-16 Electronic Expansion Valve Control .............................................................. 42
2-17 Voltage Detection Control ............................................................................. 43