Description

Water Cooled Screw Chillers

The Durate LKWC series are packaged water cooled water chillers for cooling applications and indoor installation. They are available in 16 models. These series are ideal in combination with Durate cooling towers, fan coil or Water to Water Chillers for air conditioning office buildings, hotels, hospitals shopping centers, restaurants, etc., or for supplying chilled water for industrial or MARINE applications.

Optimized design for R407c and R134a refrigerant.
Casing: Steel
Compressor: Twin Screw Semi Hermetic.
Condenser: Shell and tube type (outside tube condenser)
Chilled water heat exchanger: Shell and tube type.

Safety and functional devices:
– High/low pressure switch.
– Phase sequence – phase failure – reverse phase and voltage monitoring device.
– Evaporator low temperature protection.
– Electronic microprocessor control with digital display.
– Differential water pressure switch.
– High and low pressure manometers.
– High pressure relieve valve on compressor discharge and condenser.
– Constant compressor current monitoring control.
– Liquid injection cooling system to ensure the appropriate gas discharge temperature.
– Electronic expansion valve, ensuring constant suction gas superheat, at all operating conditions.
– Stepless compressor control, continuously regulating output capacity from 25% to 100%, in acoordance with load demand.