Air source heat pump: 1.Automatical higgh,low pressure protection 2.No frosting at -15 degree 3.Low noise,safety Air source heat pump,MD30D heat pump,meeting heat pumps MODELUnitMD30DRated heating capacityKW12Hot water supplyL/h260Average heating input powerKW3Rated heating input currentA 13/6Max outlet water temp°C60COP 4PowerV/Hz220V/380/50NoiseDb(a)54DimensionW*D*Hmm1115*425*680mmPacking sizeW ...