DOE-2 Energy Modeling Summary - Office Building
Page 18 of 21
Chiller Plant
Chiller Plant
Two 330 ton centrifugal chillers (6.1
Two 397.5 ton centrifugal chillers
COP @ 100%)
(6.1 COP @ 100%)
One 135 ton screw chiller (4.45 COP @
100%)
100%
0.791 kW/ton
75%
0.677 kW/ton
50%
0.530 kW/ton
25%
0.482 kW/ton
Load Management
Load Management
397.5 ton chillers staged as needed
First stage: One 135 ton chiller to
operate to 50%
Second stage: One 330 ton chiller up to
80%
Third stage: Two 330 ton chillers up to
95%
Fourth stage: All three chillers operate to
meet maximum load
APPENDIX J - GSA LEED COST STUDY
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