Fujitsu AO*G18LFC series, Service Instruction

Page: 11 / 63

8. COMPRESSOR CONTROL
1. OPEARTION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in the table 9.
Cooling Heating
Min Max Min Max Min Max
Dry
AO*G18LFC 18rps 113rps 18rps 130rps 20rps 34rps
AO*G18LFC
40rps 59rps 72rps 85rps 101rps 110rps
(Table 9 : Compressor Operation Frequency Range)
2. OPEARTION FREQUENCY CONTROL AT NORMAL START UP
The compressor frequency soon after the start-up is controlled as shown in the fig.8.
(Fig.8 : Compressor Control at Start-up)
Time Time Time Time Time Time
(Frequency)
(Time)
Frequency
Frequency Frequency Frequency Frequency Frequency
Time Time
Time Time Time Time
Frequency
Frequency
Frequency
Frequency
Frequency
Frequency
01-08
AO*G18LFC
120sec 180sec 220sec 270sec 350sec 410sec