Water chillers are used in a variety of air conditioning and process cooling applications. They are used to make cold water that can be transported throughout a facility using pumps and pipes. This cold water can be passed through the tubes of coils in order to cool the air in an air conditioning application or it can provide cooling for a manufacturing or industrial process.
Systems that employ water chillers are commonly called chilled water
systems.
There are several types of water chillers that are differentiated by the
refrigeration cycle they use or the type of compressor.
Absorption water chillers make use of the absorption refrigeration cycle and donot have a mechanical compressor involved in the refrigeration cycle. Absorption water chillers are the subject of a separate clinic.
Water chillers using the vapor-compression refrigeration cycle vary by the type of compressor used. Reciprocating and scroll compressors are typically used in smaller chillers. Helical-rotary (or screw) compressors are typically used in medium-sized chillers. Centrifugal compressors are typically used in larger chillers.
Source : Trane Guide
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