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Thread: question about VAV system
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26-06-2016, 07:04 PM #1
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question about VAV system
Hello everyone
Do the outdoor air of the supply air must be ensured to a suitable value under peak load condition to maintain the quality of air?
Is It same under the full load condition?
can the outdoor air be regarded as the supply air ? if it is not, why do we need the outdoor air requirement?
Thank you
sorry for my poor english
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26-06-2016, 10:10 PM #2
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Re: question about VAV system
Outdoor air is used to help control conditions and also to provide fresh air.
Brian - Newton Abbot, Devon, UK
Retired March 2015
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07-07-2016, 06:03 PM #3
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Re: question about VAV system
Hey leochan. A lot of buildings will have co2 sensors in the return air if that gets too high it will let.fresh air in. Australian standard is around 10 l/s per person of freah air. Thia atops people from getting drowsy
