01-21
6. COMPRESSOR CONTROL
1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in the table 4.
Cooling Heating
Min Max Min Max
AO*18LMAK2 15Hz 80Hz 15Hz 95Hz
AO*24LMAM2
AO*30LMAW4
15Hz 80Hz 15Hz 95Hz
15Hz 90Hz 20Hz 95Hz
(Table 4 : Compressor Operation Frequency Range)
2. OPERATION FREQUENCY CONTROL AT START UP
2-1. For AO*18L/ 24L
The compressor frequency soon after the start-up is controlled as shown in Figure 10-1.
(Fig.10-1 : Compressor Control at Start-up)
56Hz
56Hz
40Hz
46sec 60sec 80sec 160sec
80Hz
Hold
2-2. For AO*30LMAW4
The compressor frequency soon after the start-up is controlled as shown in Figure 10-2.
(Fig.10-2 : Compressor Control at Start-up)
180sec
60sec
120sec
120sec
720sec
1
2
1 Discharge pipe temp. > 30°C
2 Discharge pipe temp. < 30°C
=
Hold