Model BL35-073S Water production L/h 730 Refrigerant R410A Power supply V/Ph/Hz 380/3/50 Rated heating capacity kw 34  Heating power input kw 9.4 COP w/w 3.6 Max outlet water temp ° C 55 Compressor qty PC 2 Compressor type Scroll Fan motor qty PC 4 Fan input power W 720 Fan speed RPM 850 Noise db(A) 56 Water connections inch 1-1/2 Water flow m³/h 7 Water pressure drop kPa 60 Net dimensions mm 1900*470*1250 Package dimensions mm 2000*550*1400 Net weight kg 300 Gross weight kg 340 FAQ 1.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. 2.If there is any problems of the heat pump in the future, how to fix it? We do have unique bar code number for each unit. In case heat pump has any problems, you can describe more details to us together with the bar code number. Then we can trace the record and our technician colleagues will discuss how to solve the problem and update to you.