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Basic Classification of HVAC Systems for
Selection Guide

http://www.ijirset.com/upload/2016/april/242_68_Basic.pdf

Prof.S.M. Gheji1, Prof. K. S. Kamble2, Prof. A. A. Gavde3, Prof. S. P. Mane4
Assistant Professor, Padmabhooshan Vasantraodada Patil Institute of Technology, Sangli, India1,2,3,4

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Refrigeration Basic 

https://www.thermalcare.com/refrigeration-basics-how-does-a-chiller-work/

Operating a chiller incorporates three major concepts: heat transfer, fluid circulation, and refrigeration.

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