Chiller is a equipment used for air conditioning purposes. Basically it produces hot or cold water to warm or cool the air for space heating and cooling purpose.
Chiller has following components.
- Evaporator or cooler
- Expansion device
Chiller works on refrigeration cycle either vapour absorption or vapour compression.
Chiller are of generally following types:
1. Absorption chillers
2. Water cooled and air cooled chillers : They are most popular. Air cooled chillers are available upto 500 TR while water cooled chillers are available upto 3000 TR & with some modifications, upto 10,000 TR.
Depending on the type of compressor being used , air cooled chillers comes in scroll and screw compressor types .
While water cooled chillers comes with scroll, Screw and centrifugal compressors.
Further scroll compressors are only used upto 100 TR , Scroll upto 500 TR and above 500 TR, only centrifugal compressors are used.