8. Electronic function 
8.1 Abbreviation 
T1:  Indoor room temperature 
T2:  Coil temperature of evaporator 
T3:  Coil temperature of condenser   
T4:    Outdoor ambient temperature 
T5:    Compressor discharge temperature 
8.2 Display function 
8.2.1 Icon explanation on indoor display board. 
 
Run indication lamp: 
This lamp illuminates when the air conditioner is in operation. 
Auto indication lamp: 
Lights up during the Auto operation. 
Timer indication lamp: 
Lights up during Timer operation. 
Defrost indication lamp: 
defrosting automatically or when the anti-cold wind function  is 
activated in heating operation. 
Digital display indication 
lamp: