Employs electronic growth valve to precisely Regulate the stream of R290 refrigerant to the evaporator as well as a 4-way valve to divert the refrigerant circulation with the defrost Procedure One or more[nine] indoor condenser heat exchanger coils. They transfer the heat to the indoor air, or an indoor heating https://bookmarkoffire.com/story20377674/the-greatest-guide-to-air-source-heat-pump