11—CONTROL SYSTEM
11.1.7
Reversing Valve (RV) Control
Reversing valve is on in heat mode.
RV ON will delay 10 sec when compressor is ON and Switching of RV state is done only after
compressor is off for over 2 minutes.
11.2
Fan Mode
In this mode, the indoor fan may run at high,medium,low and automatic speed. The compressor,
outdoor fan and 4-way valve will be OFF.
In this mode, the range of setting temperature is 16~30C
11.3
Cool Mode
If Load>0, the unit starts cooling operation. In this case, the compressor and outdoor fan will operate
and the indoor fan will run at the setting speed.
If Load≤0, the compressor will stop operation and the outdoor fan will delay 60 seconds to stop.
While the indoor fan will run at the setting speed.
11.3.1
Indoor Fan operation under Cool Mode
The indoor fan will run at high speed for 5 seconds before it is put into operation according to the
setting then run at the setting speed.
In Auto Fan user setting, fan speed will be adjusted automatically according to the SPT and RAT,
refer to 11.1.5
11—4 | SM YUDE 1-A.1 GB