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Fengyun Series 
Controller Function Manual and Operating Instructions
Remote Controller Function Manual
Temperature Parameters 
Indoor preset temperature (T
preset
)
Indoor ambient temperature (T
amb.
)
Basic Functions 
Cooling Mode
Cooling Conditions and Process 
Under this mode, and the temperature can be 
Compressor
Outdoor fan 
Indoor fan 
Run
Stop
Preset speed
 min. 
 mi
n. 
 mi
n
. 
preset 
preset 
amb
Start cooling 
Original
 operating status 
Stop cooling 
preset 
preset 
amb
Start cooling 
Original operating status 
Stop cooling 
Compressor
Outdoor fan 
Indoor fan 
Run
Stop
 min.   min. 
 mi
n. 
 mi
n. 
Preset speed
Low fan speed
Under this mode, and the temperature can be 
When Tamb    Tpreset   1    , the unit will run under cooling mode, in which case the compressor and outdoor fan will start
and the indoor fan will run at preset speed. 
When Tamb    Tpreset   1    , the unit will be stopped, in which the compressor and outdoor fan will be stopped, the indoor fan will be 
run at setting fan speed. 
When Tpreset    1     Tamb   Tpreset   1     , the unit will keep the original running state.
Under each mode, once the compressor start up, it will not be stopped within 6 minutes and will be restart after 3mins later.  
Dehumidifying mode
Dehumidifying conditions and process
When Tamb.    Tpreset   2    , the unit will run under dehumidify cooling mode, in which case the compressor and outdoor fan will be 
started and the indoor fan will run at preset speed; 
When Tpreset   2       Tamb.    Tpreset    2    , the unit will run under dehumidifying mode, in which case the indoor fan will keep run
at low speed, the compressor will be stopped after 6 minutes and the outdoor fan will be stopped after 30-second lag. After 4 minutes,
the compressor and the outdoor fan will be restarted. The humidifying process is so repeated in cycle. 
When Tamb.    Tpreset    2    , the compressor, outdoor fan and indoor fan will be stopped.