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Air cooled screw chiller is named air cooled screw chiller because its key component-compressor adopts screw, and the state of the unit coming out of the evaporator is gas refrigerant; After adiabatic compression by the compressor, it becomes a high temperature and high pressure state. The compressed gas refrigerant is cooled and condensed at the same pressure in the condenser, and then changed into liquid refrigerant after condensation, and then expanded to low pressure through the throttle valve to become a gas-liquid mixture. Made of modern advanced technology, it has excellent quality and beautiful appearance. Selected imported famous brand equipment and materials, with good performance and low noise, can automatically operate alternately according to load changes, greatly extending the service life of water chillers. Choose R22/R407C/134a (optional) refrigerant, and adopt Taiwan Province "Hanzhong" or German "Biesel" screw compressor. The unit has the function of automatic defrosting and can run at low temperature. There are also high intelligent PLC and PC computer control system, which can be used for remote monitoring and control, simple operation and timely adjustment. Low failure rate and high safety factor. Wide application range.