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TRG-TRC016-EN 81
period four
Chiller-Plant Control
notes
There are primarily five issues to address in a chiller-plant control system.
1 When should a chiller be turned on or off?
2 After we know that a chiller must be turned on or off, which one should
it be?
3 If we attempt to turn on a chiller, pump, or cooling tower, and there is a
malfunction, what do we do next?
4 How can we minimize the energy cost of operating the system?
5 How can the chiller-plant control system effectively communicate with the
operator?
What Is Important?
▲ When to turn a chiller on or off
▲ Which chiller to turn on or off
▲ How to recover from an equipment failure
▲ How to optimize system efficiency
▲ How to communicate with the operator
Figure 89