Hero-tech air cooled screw chiller Application Industrial plc centralized control combined with compressor capacity control system, precisely monitor. Ry, saving installation time and cost. W shape aluminum fin type condenser, assuring adequate heat exchanging area within smaller unit size High efficient evaporator with internal thread copper tube. Large air volume axial fan with metal blades. Motor separated from net-cover, fixed on exhaust port by metal Siemens plc control, lcd touch screen interface. Standard design charged r22, cfc free r407c, r410a, r404a, r134a for option. 380v-415v/50hz 3ph for standard design. Different design on customers' request. Standard export wooden case