... , schools, workshops, entertainment places, etc. Name:airsource heat pump(Heating and hot water) ModelunitCAR-20Rated heating capacityKW19BTU64846Hot water supplyT ... thermal expansion valvesRefrigerant R417A, R407C,R410AWorking air temp range —20°C~45°CCompressor copeland, sanyo,daikin,Hitachi Remarks:the ... test conditions of above parameter:dry bulb temp is 20°c.wet buld temp is 17°c,inlet water ...