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How Do Air Cooled Chillers Work?

An industrial air-cooled chiller is a chiller cooling system that works in combination with a facility’s air handler system. A chiller is made up of the following major components: an evaporator, a compressor, a condenser, and an expansion valve.

The heat from processed water is absorbed by an air-cooled chiller. The water in the air handler system becomes warm after use and is returned to the chiller. The evaporator in the chiller transfers heat away from the water. As the liquid refrigerant moves over the evaporator tube, it evaporates, forming a low-pressure gas. The evaporated refrigerant then travels to the compressor, where the low-pressure gas is compressed into a high-pressure gas. The gas then exits and is directed to the air-cooled condensers. 

Heat is removed from the chiller while it is in the condenser by being blown outside through fans on the condenser’s side. The chiller is best placed outside or in a roomy interior space where the excess heat won’t affect it because the heat is blown outside of the chiller. The refrigerant transforms into a high-pressure liquid after the gas exits the condenser. The expansion valve directs the high-pressure liquid to the evaporator. 

The refrigerant transitions from a high-pressure liquid to a low-pressure liquid during this process. Because an industrial chiller operates on a continuous cycle, this low-pressure liquid is then returned to the evaporator, where the cycle is repeated.

Industrial chillers are often used in large buildings such as hotels, indoor malls, hospitals, and large industrial buildings, as well as locations that may have multiple buildings that require cooling such as outdoor malls and theme parks. Air-cooled chillers can also be used for large events or emergencies.

Kingfit’s air-cooled chiller ranges in size from 2 tons to 40 tons making delivery and set up quick and efficient.

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