... ChillerIt adopts the most advanced Europe Refcomp screw compressor, efficient heat exchanger, quality economizer (QINGFENG Patent), and anticorrosive processing. ... parameter4.Refrigerating medium for evaporator is water ,production temperaturefor heat recovery is 55°Chot water5.When doing noise detection , it ... meter in front and 1.5m high from the machine unit , to get the average around four o'clock , ...