[Bldg-sim] Water or air-cooled chillers in baseline models?
Jessica XP
xupingjessica at gmail.com
Thu Mar 20 08:33:44 PDT 2008
Dear folks,
APP G3.1.3.7 specifies centrifugal chillers in baseline models where
conditioned area is greater than 22,296 m2. I always take them as
water-cooled chillers by default.
Today one of my clients challenged why air-cooled centrifugal chillers can't
be modeled in the baseline. His argument is that there is not any
"water-cooled" explicitly specified in G3.1.3.7, but there are air-cooled
centrifugal chillers available in the market.
I was attemping to convince him of my understanding by searching
ASHRAE 90.1and the associated user manual. But I failed to find any
evidence. I doubted
if I was wrong.
Is there anyone in this forum who can give me an answer? And if I am still
right, how can I convince my client who is hungry for points of EA cr1?
Tons of thanks in advance.
Jessi
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