Uses electronic expansion valve to precisely Command the flow of R290 refrigerant into the evaporator in addition to a four-way valve to divert the refrigerant circulation to the defrost Procedure Break up Programs: Have one particular coil and supporter inside and a single outdoors. Supply and return ducts connect to https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/