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TRG-TRC016-EN 27
period two
Chilled-Water System Design
notes
This period focuses on the chilled-water side of the system; that is, the water
that flows through the chiller evaporator and out through the load terminals.
Specifically, we will review methods of load-terminal control and various
multiple-chiller system configurations. These topics apply to systems using
both air-cooled and water-cooled chillers.
Fundamentally, the function of the chilled-water system is to transport the
cooling fluid from the chillers to the load terminals and back to the chillers.
Assuming that the distribution system is adequately sized, we will concentrate
on the hydraulic interaction between the load terminals and the chillers.
Chilled-Water System
pump
pump
coil
coil
control
control
valve
valve
air
air
-
-
cooled
cooled
chiller
chiller
Figure 32