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RE: [EnergyPlus_Support] No return air modeling




p.s., If the exhaust fan has half the flow of supply air, E+ will complain about improper air balance in the system.  You might consider defining the exhaust fan at 100% flow and 50% pressure rise so that the power for the exhaust fan is correct.



James V Dirkes II, PE, BEMP, LEED AP

The Building Performance Team Inc

1631 Acacia Drive, Grand Rapids, MI 49504

616 450 8653



From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Jim Dirkes
Sent: Wednesday, August 15, 2012 5:35 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: RE: [EnergyPlus_Support] No return air modeling





Specify 100% outdoor air and an exhaust fan of the same size.  Check the example files for ?DOAS? (Dedicated Outdoor Air System?.



James V Dirkes II, PE, BEMP, LEED AP

The Building Performance Team Inc

1631 Acacia Drive, Grand Rapids, MI 49504


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