Compressor Control - Fujitsu AU*24LUAR Service Instruction

5-8. COMPRESSOR CONTROL

1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in Table 7.
(Table 7 : Compressor Operation Frequency Range)
AU*24LUAR
AU*30LUAS
AU*36LUAS
AU*45LUAS
AU*54LUAS
2. OPERATION FREQUENCY CONTROL AT START UP
2-1. For AU*24LUAR
The compressor frequency soon after the start-up is controlled as shown in Figure 9.
(Fig.9 : Compressor Control at Start-up)
80Hz
56Hz
Cooling
Min Max
15Hz 75Hz
20Hz 90Hz
20Hz 90Hz
20Hz 92Hz
20Hz 92Hz
Hold
46sec 60sec
05-09
Heating
Min Max
15Hz 75Hz
20Hz 95Hz
20Hz 95Hz
20Hz 92Hz
20Hz 92Hz
80sec
Dry
28Hz
45Hz
45Hz
30Hz
53Hz
160sec