... ,cooling,doemstic water *CE,RoHS Heat Pump Air to WaterAir to Water Heat Pump for DHW and air-conditioner, ideal ... -temp protection, etc., and automatic defrost function, assuring the system to run safely and efficiently even in hard conditions7. SWEP ... stable running condition (when defrosting,the average heating capacity reduces about 10% compare to corresponding data)[2]Surrounding air temperature ...