Domestic Air Conditioner
5.1.1.3 Wind volume limit 
When the compressor is working and the max setting for indoor fan motor is medium or weak, the 
upper limit of indicated frequency is as follows: 
Frequency control form for wind volume 
 Limited frequency 
variables 
Limited frequency 
Medium wind volume    FQLIMMD  70Hz 
Weak wind volume  FQLIMLO  58Hz 
Limited frequency for 
up/down health wind 
FUPHEAL 48Hz 
5.1.2 Main functions 
5.1.2.1 Warm boot   
When the heat running starts or the frost removing ends and the compressor starts again, in order to 
avoid cold wind, warm boot wind volume control should be done.   
Heat exchange temperature 
THHOT3喈37ć˅
THHOT2喈35ć喉
THHOT1喈25ć喉
THHOTR喈23ć˅
     4 minutes 
 
    Stop           weak           setting           weak           stop 
To control the indoor fan motor as shown in the table above according to the heat exchange 
temperature 
The fan motor stops when the heat exchange temperature is below 25ć
The fan motor is working slightly weak when the heat exchange temperature is above25 ć and 
below 35ć
The fan motor is working weak when the heat exchange temperature is above35  ć  and below 37ć
The fan motor works as set if the he heat exchange temperature remains above 38ć
slightly
weak 
slightly
weak
20
HSU12/18VHJ(DB)