[bldg-sim] Min Outdoor Air

[Aulbach, John]

Steve:
 
What type of HVAC system are you running? A VAV system Outside air will only see the mixing with return air upstream of the coil. The cooling coil will adjust as required to maintain the 55 °F setpoint need as outside conditions change.  Downstream, the reheat coils will never see the outside conditions.
 
Correct me if I am wrong...

________________________________

From: bldg-sim at gard.com [mailto:bldg-sim at gard.com] On Behalf Of Steve Barnell
Sent: Tuesday, January 30, 2007 1:54 PM
To: bldg-sim at gard.com
Subject: [bldg-sim] Min Outdoor Air


Hello,
 
I am modelling a building in Canada with eQUEST and have several runs varying the min OA rate. In comparing the runs I noticed that the cooling comsumption varied as expected however the Space Heating comsumption is not altered. This seems counter intuitive to me. Any ideas?
 
-Steve

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