Air cooled screw chiller

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Air cooled screw chiller

Winday industrial chiller are the perfect solution for any application, in particular for the plastic field, such as: injection molding, extrusion (sheet & profile), blow molding, thermoforming, PET, plastic film, and other industrial field : electroplating (surface treatment), medicine, chemical, hydraulic system, leaser, shoe-making, electronic, print, etc

1.The Outlet Water Temperature Range:

   7℃ to -85℃.  

2.Cooling Capacity Range:

   1RT to 1000RT

   3kw to 3500kw

   12000Btu to 120000000Btu

   3000Kal to 3000000Kal

3. The Refrigerant:


4.In addition to the specifications and requirements, we can provide non-standard products according to customer requirements.(Also accept OEM)


Chiller Features:

Air-cooled screw chiller precisely designed pieces from aluminum, the largest decrease the chance of frost. Fully integrated with time, temperature and pressure comprehensive analysis and judgment, the real demand defrost and defrost thoroughly each time, to extend the defrost interval.

1. Unit compressor using world brand,5:6 asymmetric double screw compressor, this compressor is the advanced types, with high efficiency, long life(running life 100000 hours),low failure rate, easy maintenance etc.

2. Unit evaporator and condenser are using high efficient shell tube heat exchanger, using importer sheet, inner heat change copper using thread brass ,has high heat transfer efficiency, free maintenance, long life etc.

3. Unit using Siemens control system, using PLC control technology, programming, have improved communications, easily connection with building intelligent control system.

4. Unit using Siemens, Schneider and other top world brand of electrical components.

5. Under -15 degrees models configuration oil separator, oil cooler, for high temp refrigerant, cooling oil refrigerant oil mixture auxiliary cooling and effective separation, effective low temp operating conditions ensure unit running stable, efficient, energy saving.

6. Unit using Siemens whole control system, with our independent development energy saving control procedures. ensure unit according work condition full automatic adjusting compressor running status, maximum extent to ensure unit smooth plant operation and energy saving.

7. The Unit have perfect protection system, compressor inner have thermal protection module, power protection module, the whole unit have water protection, frost protection, high/ low voltage protection, overload, phase, reverse phase, power supply voltage protection, etc. all unit faults are displayed on the screen. can avoid harsh condition damage the unit. effective protection the unit operation safety and prolong the unit life.

8. Low temp salt water evaporator unit, using importer high  corrosion material processing, ensure the efficiency of heat transfer does not affect the life , effectively prevent corrosion  causing permanent damage unit.

9. Multi- compressor units, each compressor refrigeration system independent can backup each other, effectively reduce the customer initial investment.


Screw compressor standard configure is with Hanbell/Fusheng brand, Bitzer brand optional.

When using Germany Bitzer twin-screw compressor, its moving parts is only about 1/10 of the reciprocating compressor, and the radial and axial are using a total of 11 high precision combinations of Sweden SKF bearings, combined with the axial thrust balance drum at the same time, effectively balance the axial load; the rotor is continuous operation at work, only about 1/5 compared with reciprocating vibration; there is no need to consider the suspension when the machine is installing; meanwhile the long-term stable operation of the unit is ensured.


Air-cooled chiller installation and maintenance is simple system, simply connect the freezing water piping; not occupy dedicated room, very few wearing parts, maintenance probability is low.

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