water cooling unit Refrigerant:R22,R134a,R404a R407cElectrical setting:3N,380V,50Hz Lightweight: the whole weight is1/3-1/4 ... .2kW, 35kW, 58kWRefrigerant: R22, R134a, R404a,R407cElectrical setting: 3N, 380V, 50Hz or 3N, 440V, 60HzHeat pump functionSafety protection: high fluorine, low voltage ...