[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?
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/> 


The information contained in this communication is confidential, may be privileged, and is intended only for the use of the addressee.  It is the property of GHT Limited.  Unauthorized use, disclosure or copying of this communication or any part thereof is strictly prohibited and may be unlawful.  If you have received this communication in error, please notify me immediately by return e-mail or by e-mail to ght at ghtltd.com, and destroy this communication and all copies thereof, including all attachments.  Thank you.

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