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Air cooled screw chiller

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Cooling capacity

Cooling capacity ranging from 60ton to 320ton.


Semi-hermetic screw compressor for the whole range. Each compressor is equipped with a crankcase heater and a built-in electronic protection. The compressor steps or stepless energy control, adapt to the changes of different part load.


Evaporator built with high efficiency horizontal type shell and tube heat exchanger, with stable, low resistance and efficient heat exchange.


Condenser b u i l t with seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins. Low noise, energy saving axial fan, guarantees long service life of the unit.


Circuit is complete with sight glass, filter drier, high and low pressure gauges, solenoid valve, electronic expansion valve, high and low pressure switch, safety valve.


Electric panel consist of: Compressor contactor, fan motor contactor, compressor protection breaker, fan protection breaker, phase sequence relay and microprocessor with function display (display only for master/packaged unit) Automatic operation dramatically reducing maintenance cost thanks to reliable microprocessor system.


Each unit is equipped with known brand PLC control system.

This system is to provide precise and stable control in long-term running. Meanwhile, it offers perfect communication function, which is convenient to realize interface with building control system.

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