... to use, easy to install and operation Water Source Heat Pump Screw Chiller Model : RO-40WD1,Cooling Capacity(KW/h ... -50/60Hz5,Max Running Current(A):69 6,Compressor Power(kW);307,Flow Control:Expansion Valve8,Refrigrent ... : R134A9,Condenser:Shell and Tubes10,Evaporator,Heat Recovery System:Shell and Tubes11,Cold Water Flow( ... , easy to install and operate Water Source Heat Pump Screw Chiller