DAEWOO ELECTRONICS DSB-300L, Service Manual

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14
8
ELECTRONIC CONTROL
8.1 Fan only mode
Fan speed is high/mid/low/ Auto
8.2 Cooling mode
The 4-way valve is closed at cooling mode.
The action of the compressor and the outdoor fan:
T: Room temp.
Ts: Setting temp.
Auto fan
Anti-freezing control to indoor evaporator
Condenser high temp. protection( only for heat pump)
Condition Compressor Outdoor fan
Temp. up T> Ts+1 On On
T<Ts+1 Off Off
Temp. down T> Ts On On
T<Ts Off Off
Temp. Condition Compressor
Temp. up T> TE10 Off
T< TE10 On
Temp. down T> TE11 Off
T< TE11 On
Condition
Compressor Outdoor fan
Temp. Time
Temp. up T> TE6 On On
T< TE6 >4 Minutes Off Off
Temp. down T> TE5 On On
T< TE5 >4 Minutes Off Off
Condition(T=Indoor Temp.-Setting Temp.) Indoor fan speed
Temp. up T<1°C Low
1°C<T<4°C Med.
T>5°C High
Temp. down T> 4°C High
1°C<T<4°C Med.
T<1°C Low