... centers, office buildings, schools, workshops, entertainment places, etc. Name:airsource heat pump(Heating and hot water) ModelunitCAR-20Rated heating capacityKW19BTU64846Hot water ... type Electronic expansion valves/thermal expansion valvesRefrigerant R417A, R407C,R410AWorking air temp range —20°C~45°CCompressor copeland, sanyo,daikin,Hitachi ...