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HERO-TECH AIR COOLED SCREW CHILLERApplicationMedium and large scale industrial coolingCentral air conditioning systemCold room, thermostatic chamberWell Known Brand CompressorUnit adopts Germany BITZER or Taiwan HANBELL brand semi-hermetic screw compressor. The latest 5 to 6 patented screw rotor profile with excellent efficiency. Adjustable infinite or closely stepped capacity control, features energy efficient, stable and quiet running. Most advanced patented highest precision manufacturing process. Built-in full intelligent monitoring and protection including thermal motor temperature monitoring, phase sequence monitoring, manual reset lock-out, oil temperature sensor. Wide range of refrigerant for option, including R134A, R407c and R22(R404A, R507c upon request). Microprogramming Control SystemIndustrial PLC centralized control combined with compressor capacity control system, precisely monitor. Integrated protection for low temperature, high/low pressure, anti-freezing, phase missing, anti-phase, overload, motor over temperature, oil differential, flow switch, start up latency. Optional operation language, menu leading, unit running state easy to adjust. Easy Installation, Reliable RunningClosely stepped start-up, minimize impact to electricity. Steady and safe running, low vibration, easy for installation. Compact structure, less space demand and light in weight, easy for transport and installation. Completely wired, inspected and tested pre-delivery, saving installation time and cost. W shape aluminum fin type condenser, assuring adequate heat exchanging area within smaller unit sizeHigh 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 metalSiemens 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.