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RE: [EnergyPlus_Support] Re: Exhaust Fan Increases Cooling Load




Jumping into the middle of this thread?.



·         If cooling load increases after increasing exhaust airflow, you probably have an outdoor mixer in your loop and E+ is adding more outdoor air to the air loop in order to balance  / compensate for the added exhaust air.

·         Zone exhaust air does NOT come from outdoors directly; it comes from the zone.  If you remove air from the zone without replacing it (using an air loop source) you will get MANY unbalanced airflow messages.



The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653



From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of iluminasol33
Sent: Wednesday, October 19, 2011 4:51 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: Exhaust Fan Increases Cooling Load






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