Dear Jean,
A quick review suggests that you look at:
1.
You are using an On/Off fan. The fan uses an “Always
on” schedule, but the nature of this fan is to cycle on and off as needed
for building loads.
2.
You are also using AvailabilityManager:NightCycle set for “StayOff”.
Normally this means that your fan will never operate at night. I’m
not sure what happens with an OnOff fan …, but you might get rid of this
manager since it does not apply to your situation.
3.
Finally, you are autosizing minimum outdoor air in the Controller:Outdoor
Air. I’d be inclined to set the minimum at a non-zero value or create a minimum
fraction or schedule for outdoor air.
The Building Performance Team
James V. Dirkes II, P.E., LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653
From: EnergyPlus_Support@xxxxxxxxxxxxxxx
[mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of jeannieboef
Sent: Friday, October 15, 2010 3:46 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: Schedule 10001 - Output Value is time
shifted
Thank you Dr. Li,
You're right. The only reason the schedule is "any number" not
"fraction" and this complicated is because this is the output from
designbuilder. I use the graphics from designbuilder in my simulation report
which explain the schedule much nicer than the syntax of a Schedule:Compact
object. As to the time shift...I'm still at a loss. I use xEsoView to check the
outputs in the eso file. Therefore I specified the Schedule Output Values for
both hourly and timestep. Looking at the timestep values I still don't under
stand why it doesn't start with the day schedule time.
I've posted the idf in the user exchange area.
My other problem is that the specified min ODA is not happening, and I can't
figure out why (It should be constantly on night and day).
Regards,
Jean
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