Compressor Control - Fujitsu AO G18LBCA Series Service Instruction

1-8. 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)
Cooling / Dry
Max
Min
10rps 120rps
2. OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in Fig.9.
(Fig.9 : Compressor Control at Start-up)
Normal start-up
Frequency
Frequency
Frequency
Frequency
Frequency
(Frequency)
Frequency
35rps
(Time)
Time 1
80sec
Heating
Min Max
12rps 120rps
Time 2 Time 3
Time 1
Frequency Frequency
53rps 66rps
Time 2 Time 3
160sec 300sec
Time 4 Time 5
Frequency Frequency
82rps 106rps
Time 4 Time 5
440sec 500sec
01-11