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2
2. Processes and functions
SM830033
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................................... 34
2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)......................... 36
2-11 4-Way Valve, Solenoid Control ..................................................................... 37
(A)Normal Control Mode ...............................................................................37
(B)AUTO Control Mode .................................................................................38
2-12 Automatic Restart after Power Interruption ................................................... 38
2-13 Electronic Refrigerant Control Valve ............................................................. 39
2-14 Compressor Discharge Gas Temperature .................................................... 39
(A)Cooling .....................................................................................................39
(B)Heating (Except During Defrosting) ......................................................... 39
2-15 Compressor Current Detection Circuit .......................................................... 40
2-16 Dehumidifying Operation ...............................................................................41
2-17 Auto-flap Control ............................................................................................42
2-18 Drain Pump Control .......................................................................................42
2-19 Electronic Refrigerant Control Valve Control ................................................ 43
2-20 Voltage Detection Control ............................................................................. 44