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8.2.3.2 Defrosting Action
Four-way valve, indoor fan, outdoor fan are shut down. Compressor keeps on.
8.2.3.3 Ending Of Defrosting Condition (meet one of the following is ok):
(1)Time of defrosting lasts 10 minutes.
(2) Temperature of outdoor coil T3 is up to 20°C.
(3) High temperature protection opens(When compressor shuts down), defroste will end,
calculate time again.
8.2.4 Cooling Mode
8.2.4.1 Conditions for the compressor and outdoor fan action (Ts = set temperature)
8.2.4.2 Action of Indoor Fan
HIGH/ MED /LOW/AUTO fan can be switched over by your comfort.
Auto fan under cooling mode.
8.2.5 Dehumidifying Mode
8.2.5.1 Indoor fan speed is low.
8.2.6 Auto Mode
8.2.6.1. Under auto mode, the indoor fan is set to be auto.
8.2.6.2 When entering auto mode, the heating, fan only or cooling operation will be
automatically chosen according to the room temperature T1 and the set temperature Ts.
Condition
Mode
3°C
≤
T1-Ts
Cooling
-3°C
≤
T1-Ts
≤
3°C
Fan
T1-Ts<-3°C
Heating(fan for cooling only type)
8.2.6.3. After one mode is chosen, the operation mode will be re-chosen according to the
T1 and Ts.
Condition
Mode
3°C
≤
T1-Ts
Cooling
-3°C
≤
T1-Ts
≤
3°C
Former mode
T1-Ts<-3°C
Heating(fan for cooling only type)
Condition
Compressor and outdoor fan
T1-Ts
≥
1°C and compressor is off
reaches up to over 3 minutes
On
Ts-T1>1°C
Off
Condition
Fan speed
T1-Ts
≥
4°C
High
2°C
≤
T1-Ts < 4°C
Med
T1-Ts < 2°C
Low
