When T1-24≤27℃, transfer high to medium speed,
When T1≤25℃, transfer medium speed to low.
When T1>25.5℃, transfer low to medium speed,
When T1>27.5℃, transfer medium speed to high.
For the other types:
When T1-TA≤3℃, transfer high to medium speed,
When T1-TA≤1℃, transfer medium speed to low.
When T1-TA >1℃, transfer low to medium speed,
When T1-TA >4℃, transfer medium speed to high.
For Four-way cassette (compact):TA=23
For A2 four-way cassette (compact)&A5 Duct:TA=24
(5) PTC function and sleep mode are invalid
11.7.2 Cooling mode
11.7.2.1 Compressor running rules
The compressor will run at corresponding frequency according to the gross amendatory capacity demand.