[Bldg-sim] Air-cooled chiller economizer

James Hansen JHANSEN at ghtltd.com
Mon Aug 11 10:50:58 PDT 2008


Does anyone have insight on a relatively easy way to model free-cooling
coils on air-cooled chillers?  I thought adding a drycooler might help
simulate this, but I don't even think you can attach a heat-rejection
device directly to a chilled water loop.  Is this one of those things
that you have to "estimate" by approximating the total # of available
free-cooling hours and subtracting compressor energy?
 
Thanks
 
GHT Limited
James Hansen, PE, LEED AP

Senior Associate

1010 N. Glebe Rd, Suite 200

Arlington, VA  22201-4749

703-338-5754 (Direct)

703-243-1200 (Office)

703-276-1376 (Fax)

www.ghtltd.com <http://www.ghtltd.com/> 

 

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