[Equest-users] HVAC system - Parametric Runs

Patrick Darby pdarby at twfp.com
Mon Aug 18 06:22:47 PDT 2008

My system involves first a CDQ which is supplied with 100% outdoor sir
which heats and/or cools the air and supplies it to two air handlers,
which supply VAV boxes. I have modelled this using a CDQ (Variable Air
Volume) unit which supplies the two Air Handling Units (Power Induction
I am now creating my reference case using parametric runs and based on
the Model National Energy Code (Prescriptive Compliance), and using the
article Performance Compliance for Buildings - May 1999. The Zone
References can only be AH1 - Single Zone (constant flow) or  AH2 -
Multiple Zone (variable flow) according to the Compliance. I was
wondering if anyone has suggestions on what reference case I should
based each of my three HVAC systems?
Thank you,

Patrick Darby, BScE

Mechanical Engineering Services
The Walter Fedy Partnership 
Phone: 519-576-2150 x271
Fax: 519-576-5499
Web: www.twfp.com

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