... Source Heat Pump 1.-25 DC low temp, EVI design 2.Cop to 4 ... and cooling.Goldsun uses the most advanced low Temp Enhanced Vapour Injection compressor technology and ... controller.Multi Protection1. Auto-defrosting function2. High/low pressure protection3. Overload protection4. Compressor protection5. ... aBigImageSrc } ); } )(); heat pump(evi air to water,low temp, -25 DC, split, CE, EN14511-2:2011, EN14511 ...