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TRG-TRC016-EN 73
period three
System Variations
notes
Another benefit of unequal chiller capacities is that the system load can be
more closely matched with the operating chiller (and ancillary equipment)
capacity, increasing overall system efficiency.
Figure 81 shows a system that includes two large chillers of equal capacity,
along with one smaller capacity chiller. The smaller capacity chiller, called
a swing chiller, in this combination presents an opportunity for significant,
overall system-energy savings.
Swing Chiller
equal
equal
-
-
capacity
capacity
large chillers
large chillers
small
small
-
-
capacity
capacity
“swing” chiller
“swing” chiller
Figure 81