Model BF3I-660T Refrigerant R410a Rated cooling capacity KW 80 EER 3.1 Heat recovery capacity KW 13.5 Cooling power input KW 25.8 Running current A 42*3 Power supply V/Ph/Hz 380-415V/50-60HZ Noise d B(A) 77 Water connections inch 2'' Measuring conditions ° C W 12/7 ° C A35/24  Net dimension       （LxWxH） mm 2300*1350*2200 FAQ 1.Is the use and operation of air source heat pump unit easy? It is very easy. The whole unit adopts automatic intelligent control system. The user only needs to turn on the power supply for the first time, and fully realize the automatic operation in the later use process. When the water temperature reaches the user's specified temperature, the system automatically starts up and runs when the water temperature is lower than the user's specified water temperature, so that hot water can be available 24 hours a day without waiting. 2.Whether the heat pump unit can operate normally in winter with low temperature? Yes. Air source heat pump unit has intelligent defrosting function to ensure stable operation of the unit in low temperature environment. It can automatically enter and exit defrosting according to multiple parameters such as outdoor environment temperature, evaporator fin temperature and unit operation time. 3.Where can heat pump units be used? Heat pump units are widely used, including various types of commercial machines specially designed for hotels, schools, hospitals, saunas, beauty salons, swimming pools, laundry rooms, etc.; there are also various types of household machines specially designed for families.  At the same time, it can also provide free air cooling, which can realize the whole year heating.