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
AOU24RML 15Hz 90Hz 20Hz 95Hz
AOU36RML 15Hz 90Hz 20Hz 95Hz
(Table 4 : Compressor Operation Frequency Range)
(2). OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in the figure 6.
1) Compressor operates for 180 seconds by 40 rotations.
2) In the case of lower than 40 rotations, it operates at these rotations.
3) Compressor operates for 60 to 720 seconds.
4) Compressor operates at target rotations after 120 second operation.
When discharge temperature exceeds 30 degrees in the meantime, it shifts to 56 rotations.
(Fig.6 : Compressor Control at Start-up)
01-10
46
40rps
56rps
134 120 (Sec)60~720
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