Fujitsu ASYA12LGC, Service Instruction

Page: 18 / 82

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
70Hz (for AS*A07/09LGC) or 56Hz (for AS*A12LGC) or 40Hz (for AS*A14LGC), for a minute.
Ts+0.5°C
Ts -1.5°C
Ts -0.5°C
Ts+1.5°C
( Table 3 : Compressor frequency )
( Table 4 : Indoor fan speed )
( Fig.3 : Compressor Control based on Room Temperature )
( Fig.4 : Indoor Fan Control )
05-03
Operating
frequency
37Hz
28Hz
0Hz
07LGC
09LGC
X zone
J zone
Y zone
Operating
frequency
J zone
Y zone
X zone 33Hz
25Hz
0Hz
12LGC
Operating
frequency
J zone
Y zone
X zone 27Hz
20Hz
0Hz
14LGC
Room Room
temperature temperature
X zone
J zone
Y zone
Compressor
ON
OFF
Indoor fan
Setting air flow
Indoor fan
(as shown in Table 4)
S-Lo
OFF
10 30 60 180 60 180 60 10 30
(SEC)
X zone J, Y zone
AS*A07/ 09LGC 620rpm 590rpm
AS*A12LGC
AS*A14LGC 620rpm 590rpm
760rpm 730rpm