KIRLOSKAR KAC - Operation; Liquid Chilling Systems - Principle

KIRLOSKAR CHILLERS PRIVATE LIMITED
A Kirloskar Group Company IOM-KAC-ENG - Page 16
Chapter 3 Operation
3.1. Liquid Chilling Systems - Principle
Kirloskar Chillers make KAC liquid chilling package system shall be utilized for chilling water
OR brine (for details please contact Kirloskar Chillers). These units work on vapor compression
principle. The basic components of a vapor-compression liquid chilling system are as follows:
 Compressor
 Condenser,
 Liquid refrigerant expansion or flow control device
 Evaporator
 Refrigerant and
 Power and Control Panel.
The basic vapor compression refrigeration cycle is explained in Fig. 3.1a.
Fig. 3.1a Vapor Compression system
In cooler / evaporator, entering hot liquid (usually water) is cooled by the evaporating refrigerant
which is at a lower pressure and lower temperature. The evaporated refrigerant is drawn by the
compressor, which increases the temperature and pressure of the gas above ambient temperature