1, Water source heat pump 2, Twin-screw compressor 3, SIEMENS PLC control 4, ... water 5.CE, SGS,ISO. this is a Water Heat Pump Chiller, and it has the following features of industrial chiller ... to 33 degrees. Heating conditions: hot water inlet temperature is 40 degrees, outlet temperature is 45 degrees. Water in well inlet ... domestic wastewater renewable energy. Double Compressor Water source heat pump