JOHNSON CONTROLS
FORM 150.26-EG1 (116)
14
Refrigerant Flow Diagram
Low-pressure liquid refrigerant enters the evaporator tubes and is evaporated and super-
heated by the heat energy absorbed from the chilled liquid passing through the evaporator
shell. Low-pressure vapor enters the compressor where pressure and superheat are in-
creased. High-pressure vapor is passed through the condenser where heat is rejected to
the con denser water passing through the tubes. The fully condensed and subcooled liquid
leaves the condenser and enters the expansion valve, where pressure reduction and fur-
ther cooling take place. The low pressure liquid refrigerant then returns to the evaporator.
LD18403
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