RE: [EnergyPlus_Support] Night cycle Operation

To: "EnergyPlus_Support@xxxxxxxxxxxxxxx" <EnergyPlus_Support@xxxxxxxxxxxxxxx>

Subject: RE: [EnergyPlus_Support] Night cycle Operation

From: Jim Dirkes <jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

Date: Tue, 28 Jan 2014 09:24:30 -0600

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Thread-topic: [EnergyPlus_Support] Night cycle Operation

Fabiano,

I think this will accomplish your goal. The “Minimum Outdoor Air Schedule Name” is the same as the fan schedule, so for all unoccupied hours its value = 0.

James V Dirkes II, PE, BEMP, LEED AP
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 fabianoferreira27@xxxxxxxxxxx
Sent: Monday, January 27, 2014 7:35 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Night cycle Operation

Hi everyone,

I would like to know how to model the HVAC system with zero outside airflow when the fans are cycled on to meet unoccupied setback temperatures operate?

I've modeled fan to work to cycle on, but I’ve noticed that the outside airflow is working with the fan, grafic attached.

Thanks,

Fabiano Ferreira

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