摘要 |
The present invention relates to a controlling method of an air conditioner. The controlling method of an air conditioner having a phase separator, an expansion valve, a control valve, an evaporator, a multistage compressor, and a condenser, includes the steps of sensing an order to operate the air conditioner, stabilizing the air conditioner, setting a degree of superheat of refrigerant in the air conditioner, and setting an optimum intermediate pressure of the refrigerant of the air conditioner.
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