Dry Operation - Fujitsu AB F18LAT Series Service Instruction

1-3. DRY OPERATION

1-3-1 INDOOR UNIT CONTROL
The compressor rotation frequency shall change according to set temperature and room
temperature variation which the room temperature sensor of the indoor unit has detected
as shown in the Fig 3.
( Table 3 : Compressor frequency )
AB*F18, 24
AR*F18, 24
AU*F18, 24
AR*A24LATU
AU*A24LBL
( Fig.3 : Compressor Control based on Room Temperature )
Room
temperature
Ts+0.5 degC
( Fig.4 : Indoor Fan Control )
Compressor
ON
OFF
Indoor fan
Dry air flow
S-Lo
OFF
Operating frequency
34Hz
34Hz
Room
temperature
Compressor ON
Compressor OFF
10 30
Ts+1.5 degC
Ts : Setting temperature
60 180 60
01-03
180 60 10 30
(SEC)