CE,CCC,ISO approval 5 years experiences 18 months warranty 75% energy saving Air sourced heat pump1. Heating capacity(A7/W35): 59kw,380v/3ph/50Hz.2.COP up to 3.93. Using Copeland scroll compressors,strong operation and long life.4. Emerson ALCO expansion valve,with accuate and stable throttling function.5. High efficiency coaxial coil heat exchanger,low fouling,low maintenance cost.6. Durable ...