①特别适用于北方地区以及寒冷工况。
Especially suitable for northern area and cold work conditions.
②智能除霜，可根据不同地区气候条件设定除霜参数，除霜更彻底。
Intelligent defrost, set defrost parameter according to different regional climate condition, defrosts thoroughly.
③补气增焓，低温COP更高。
Reinforce gas increase the enthalpy, Low temperature condition COP higher.
