Low Noise Heat Pump 1,R410A/R22,work at -15~40C 2,Noise:<65Db, ... .5 3,Intelligent defrost 4,Air to water heat pump Low Noise Heat Pump Technical parameters:MD200DRated input power: 18.4kwHeating capacity ... : 72kwVoltage: 380VFrequency: 50hzCurrent:35AReated outlet water temp:55 degreeMax outlet temperature ...