[Equest-users] App G Baseline CHW Pump Power

[Christian Kaltreider]

Hello,

 

In November 2010, around the same time someone was modeling a building that looked like a turkey, there was a conversation on this list about baseline CHW pump power:

 

http://lists.onebuilding.org/htdig.cgi/equest-users-onebuilding.org/2010-November/006941.html

 

Part of the discussion was some back and forth about how to apply G 3.1.3.10.  This section calls for baseline pump power to equal 22W/GPM and for the CHW pumping configuration to be primary/secondary.  Some had the opinion that each pump (primary and secondary loops) should have 22 W/GPM assigned to it, while others thought that the total CHW pump system power should sum to 22 W/GPM, and that it was up to the modeler to divvy up the power among pumps as they see fit.  I did not see a clear conclusion.  

 

Does anyone know if a general consensus was reached?

 

Thanks,

Christian

 

 

Christian Kaltreider, LEED AP | Energy Analyst

Sud Associates, P.A. | T 828.255.4691 | F 828.255.4949 | www.sudassociates.com

 

 

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