Fujitsu AO*12LFBC, Service Instructions Manual

Page: 23 / 83

3. DRY OPERATION
3-1 INDOOR UNIT CONTROL
The compressor rotation frequency shall change according to the temperature, set temperature,
and room temperature variation which the room temperature sensor of the indoor unit body has
detected as shown in the Table 3. However, after the compressor is driven, the indoor unit shall
run at operation frequency of 58Hz, for a minute.
Operating
frequency
AS*9LSACW 33Hz
AS*12LSACW 33Hz
AS*9LSBCW 33Hz
AS*12LSBCW 33Hz
AS*14LSBCW 24Hz
AS*18LSBCW 24Hz
room room
temperatu re temperature
compressor ON
Ts+1.5 C
Ts+0.5 C
compressor OFF
Compressor
ON
OFF
Indoor fan
Dry air flow
S - Lo
OFF
10 30 60 180 60 180 60 10 30 (sec)
( Table 3 : Compressor frequency )
( Fig.3 : Compressor Control based on Room Temperature )
( Fig.4 : Indoor Fan Control )
05-03