Compressor Control - Fujitsu ARU7RLF Service Instruction

7. COMPRESSOR CONTROL

1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in the Table 9.
(Table 9 : Compressor Operation Frequency Range)
AOU18RLXFZ
AOU24RLXFZ
AOU36RLXFZ
2. OPERATION FREQUENCY CONTROL AT START UP
For
AOU18RLXFZ / AOU24RLXFZ
The compressor frequency soon after the start-up is controlled as shown in the figure 13-1.
(Fig.13-1 : Compressor Control at Start-up)
85rps
56rps
40rps
For
AOU36RLXFZ
The compressor frequency soon after the start-up is controlled as shown in Figure 13-2.
(Fig.13-2 : Compressor Control at Start-up)
56rps
40rps
40rps
Cooling
Min Max
20rps 100rps
20rps 90rps
60 - 780sec
120sec 180 - 900sec
60 - 720sec
180sec
Heating
Min Max
24rps 110rps
20rps 95rps
120sec
300 - 1020sec
120sec
240 - 900sec 360 - 1020sec
01-20