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[EnergyPlus_Support] No heating occured when VAV with reheat is used
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] No heating occured when VAV with reheat is used
- From: HJ <wanghaojie630@xxxxxxxxx>
- Date: Thu, 01 Nov 2012 17:43:26 -0400
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- Delivery-date: Thu, 01 Nov 2012 15:45:02 -0600
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Hi all,
I use packaged rooftop VAV with reheat for my system. Since I need to
use natural ventilation for sometime, I set the zone minimum air flow
rate at AirTerminal:SingleDuct:VAV:Reheat to be zero to make sure no
mechanical cooling is used when natural ventilation can satisfy the
cooling load. However, by making this number to zero, the boiler stops
working even when the zone air temperature is below the heating setpoint
temperature. But when I change zero to 0.3, heating will work normally.
I am quite confused about this output, and would appreciate your help.
I also attached my idf file and spreadsheet here.
Thanks,
HJ
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Attachment not found:
d:\eudora\attach\NoAvailability.idf
Attachment not found:
d:\eudora\attach\NoAvailability.csv