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RE: [EnergyPlus_Support] Two AirloopHVAC serving the same zones



I think I may have known that what Karen suggests is possible, but never actually considered that approach.  Great suggestion!

 

The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
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From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Martin Gogov
Sent: Tuesday, July 12, 2011 12:13 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: Re: [EnergyPlus_Support] Two AirloopHVAC serving the same zones

 

 

Thank you so much for this idea, Karen! I didn't know that!

I think this scenario might work if it is possible to assign different fan types and ADUs to each main branch of the Air loop since I need constant air volume for the ventilation and variable air volume for the cooling.

Could I kindly ask you to give me a short IDF example how to set two branches on the same loop? I'm struggling to find one in the example files..

Thanks!
Martin

On Tue, Jul 12, 2011 at 5:34 PM, Karen Walkerman <kwalkerman@xxxxxxxxx> wrote:

 

Is there any way to add the packaged VAV with Reheat to your existing outdoor air system airloop?  You can't have two airloops, but the airloop itself can have more than one main supply branch, and unlike a plantloop can have more than one outlet node and zone distribution.  You could set up one branch of the airloop with the as-designed outdoor air system serving your terminal boxes in the zones, and another branch of the airloop (with a separate exit node) serving a different te

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