... Heat Pump 1.-25 DC low temp, EVI design 2.Cop to 4.8, 410A 3. ... ambient.3. Strong low-temperature heating capacity Normal heat pump is difficult to heat below zero ... .Multi Protection1. Auto-defrosting function2. High/low pressure protection3. Overload protection4. Compressor protection5. ... 'aImgSrc': aBigImageSrc } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011 ...