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RE: [EnergyPlus_Support] Zone Level Airflows




In addition to Jean?s comments?..

I have not looked into it in detail, but every so often an auto-sized zone will not meet all of the loads (i.e., there will be lot of unmet load hours).

ASHRAE 90.1 anticipates this and allows the modeler to increase the sizing factor as needed to get the unmet loads under control.

If this situation occurs, I check my inputs for the problem zone(s) and if they look OK, I try raising the zone sizing factor.  That normally helps.



James V Dirkes II, PE, BEMP, LEED AP
<http://www.buildingperformanceteam.com/>www.buildingperformanceteam.com
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653



From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of jeannieboef@xxxxxxxxx
Sent: Friday, June 28, 2013 2:28 PM
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Cc: <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Subject: Re: [EnergyPlus_Support] Zone Level Airflows
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