Heat transfer loop in refrigeration system:



Thermal energy moves from left to right as it is extracted from the space and expelled into the outdoors through five loops of heat transfer :

Air loop

Air is driven by the supply air fan through a cooling coil , where it transfers its heat to chilled water. The cool air then cools the building space.


Chilled water loop

Driven by the chilled water pump, water returns from cooling coil to the chiller evaporator to be re cooled.


Refrigerant loop

Using a phase change refrigerant, the hiller's component pump heat from the chilled water to the condenser water.


Condenser Water loop

Water absorbs heat from the chiller's condenser, and the condenser water pump sends it to the cooling tower.


Cooling tower loop

The cooling tower's fan drives air across an open flow of the hot condenser water, transferring the heat to the outdoors.



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