When T3≥TE10, the compressor will shut off. When T3＜TE11,the compressor will restart.
8.4.3 Heating Mode
8.4.3.1 Compressor running rules:
For 21k,24k models, every time the compressors start up, they will keep running for △t
minutes(protections are active) and then follow the below rules. (While △t=4.)
For other models, they will follow the below rules once the compressors start up:
When indoor room temp.T1 is higher than Tj, the compressor and outdoor fan will shut off. When T1 is
lower than Tk, the compressor and outdoor fan will start up.
Tj=Ts+Tc
Tk=Ts+Tc-1.
8.4.3.2 Outdoor fan running rules:
The outdoor units have single fan speed. The outdoor fan will run following the compressor except
when AC is in evaporator high temp. protection in heating mode , condenser high temp. protection in
cooling mode ,defrosting mode and the current protection.
8.4.3.3 Indoor fan running rules:
For 21k,24k models, when the compressor is off because off the room temperature rising or the
protection, the indoor fan will run as below rule:
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