Utilizes electronic enlargement valve to precisely Manage the stream of R290 refrigerant into the evaporator in addition to a four-way valve to divert the refrigerant flow for the defrost Procedure Applying electrical energy, the pump compresses the liquid to enhance its temperature. It then condenses back into a liquid to https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/