Fujitsu AirStage AB12, Service Manual

Page: 50 / 199

In case of other than that the compressor 1 (2 HP compressor) is operated by only one compressor.
* Expansion Valve Control
As there is the difference between compressor’s actual capacity and compressor’s requirement capacity
practically, capacity by the difference is bypassed as a circulating save amount.
( Compressor’s actual capacity – Compressor’s requirement capacity )
Start condition
In case of the operating mode of " Cooling " or " Heating "
End condition
In case of only one compressor (2 HP compressor) operation.
In case of the operating mode other than " Cooling " or " Heating "
5-6 CIRCULATING SAVE AMOUNT CONTROL
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