Forum discussion
NC-2009 IEQp1: Minimum IAQ Performance
How do one determine minimum outdoor air intake flow of a VAV system coupled with demand controlled ventilation to comply with ASHRAE 62.12007 standard required for at different operating conditions?
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Is outdoor air quality testing required in a space using natural ventilation?
What options are available to projects outside the US to meet this prerequisite?
Can LEED 2009 projects elect to follow ASHRAE 62.1-2010 for this prerequisite?
Which units should be included in the calculations for this prerequisite?
Roger Chang
Principal, Energy and Engineering LeaderDLR Group | Westlake Reed Leskosky
LEEDuser Expert
398 thumbs up
February 18, 2012 - 8:06 am
Chellapillai, you'll want to ignore the impact of DCV when developing your basic ASHRAE 62.1-2007 compliance calculations. DCV with VAV systems can become challenging to implement properly. It's important to work closely with a controls vendor to include language in sequences of operation that are clear enough to describe intent.