Processes And Functions - Sanyo SPW-U253GH56 Service Manual

2. PROCESSES AND FUNCTIONS

2-1 Room Temperature Control .......................................................................... 28
(A) Cooling .....................................................................................................28
(B) Heating .....................................................................................................29
2-2 Cold Draft Prevention (Heating Cycle) .......................................................... 30
2-3 Automatic Fan Speed (Indoor Unit)............................................................... 31
(A) Cooling .....................................................................................................31
(B) Heating .....................................................................................................31
2-4 Outdoor Fan Speed Control .......................................................................... 32
(A) Cooling .....................................................................................................32
(B) Heating .....................................................................................................32
2-5 Freeze Prevention (Cooling) ......................................................................... 33
2-6 Condensing Temperature Control (Cooling) ................................................. 34
2-7 Overload Protection (Heating)....................................................................... 35
2-8 Discharge Temperature Control (Cooling and Heating) ................................ 36
2-9 Auto. Mode for Automatic Heating/Cooling Switching ................................... 36
2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)......................... 38
2-11 4-Way Valve, Solenoid Control ..................................................................... 39
(A) Normal Control Mode ...............................................................................39
(B) AUTO Control Mode .................................................................................40
2-12 Automatic Restart after Power Interruption ................................................... 40
2-13 Electronic Refrigerant Control Valve ............................................................. 41
2-14 Compressor Discharge Gas Temperature .................................................... 41
(A) Cooling .....................................................................................................41
(B) Heating (Except During Defrosting) ......................................................... 41
2-15 Compressor Current Detection Circuit .......................................................... 42
2-16 Dehumidifying Operation ...............................................................................43
2-17 Drain Pump Control .......................................................................................44
2-18 Electronic Refrigerant Control Valve Control ................................................ 45
2-19 Voltage Detection Control ............................................................................. 46
2. Processes and functions
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SM830035