Danfoss A/s

Junping Cai

Lars Enghave Jensen

Hans Jørgen Jensen

A method for controlling a vapor compression system, in particular an opening degree of an expansion valve. According to a first control strategy, the expansion valve is closed until the superheat value has increased above a lower threshold superheat value. According to a second control strategy, the expansion valve is kept open until the suction pressure has increased above a lower threshold suction pressure value. In the case of low superheat value as well as low suction pressure, the second control strategy is selected for a limited period of time.

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Sønderborg, Denmark

Junping Cai