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Thread: motorized fresh air damper
02-26-2013, 11:21 AM #14
Just a note about CO2...so many people worry about indoor CO2 but very few have sensors outside... I have seen where the CO levels outside are worse than inside and the dampers still open because many forget to measure outdoor and indoor CO2. If your going to install CO2 sensors do it right.
02-27-2013, 07:39 AM #15
I've seen some codes that wanted a motorized damper for smoke/fire shut down instead a RTU mounted chimney with barometric relief and fixed % intake.
02-27-2013, 09:00 AM #16
Typically you are talking about 15% or more in most cases. LEED points for air quality requires a lot more. The 2012 code does require motorized dampers for outside air. We don't have that code yet in GA but will have it Jan 1, 2014. Don't know to much about that yet other that in some cases you are allowed to have less OA than in the IMC 2006. Thank you very much
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