[EnergyPlus_Support] Re: Schedule 10001 - Output Value is time shifted

["jeannieboef" <jeannieboef@xxxxxxxxx>]

I'll take it out and see what happens, thanks. But I'm still expecting a constant all night Min ODA rate. I tried to take out the manager, but the AirLoopHVAC expects at least 1. According to the documentation though the "StayOff" is equal to a "no action", so in theory this should still be okay. 

I've got 2 more things to try...then I'll report back.

Thanks.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "James V Dirkes II, PE" <jim@...> wrote:
>
> Dear Jean,
> 
> You also have a Daylight Saving Time object in your IDF.  This is probably
> affecting your time variations.
> 
>  
> 
> RunPeriodControl:DaylightSavingTime
> 
> Similar to a special day period, a daylight saving period may be entered to
> be applied to
> 
> weather file run periods. These will always be in effect, regardless of the
> value entered on the
> 
> RunPeriod object. Note that this period will always override any daylight
> saving period
> 
> specified in a weather file
> 
>  
> 
> 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 8:43 AM
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: [EnergyPlus_Support] Re: Schedule 10001 - Output Value is time
> shifted
> 
>  
> 
>   
> 
> Yes. That's how I've checked when the schedule value becomes non-zero, and
> this is the bit that I don't get. When I look at the day schedule in the
> idf, I can't understand why the "Schedule Value" report variable for
> schedule 10001 reports the first non-zero values so early (06:30 I
> think...see eso) even on timestep reporting interval...the first non-zero
> should be reported at 08:00:
> 
> ! Profile: KiTa_Workingday_Profile
> Schedule:Day:List, 10000 , Any number, No,
> 30,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> .4,
> .5,
> .8,
> 1,
> .85,
> .8,
> .8,
> .8,
> .8,
> .8,
> .8,
> 1,
> .6,
> .65,
> .6,
> .6,
> .6,
> .7,
> .45,
> .6,
> .25,
> .4,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0,
> 0;
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx
> <mailto:EnergyPlus_Support%40yahoogroups.com> , Richard Raustad
> <RRaustad@> wrote:
> >
> > Have you tried using the "Schedule Value" report variable and 
> > comparing this output to the people sensible heat gain and occupation 
> > outputs?
> > 
> > On 10/15/2010 7:53 AM, jeannieboef wrote:
> > >
> > > Hi James.
> > >
> > > 1. I'm going to replace the "Always On" schedule with a "binarized 
> > > occupation schedule".
> > >
> > > (although I now know that if e+ expects a 1/0 schedule and sees a 
> > > fractional, for example occupation schedule, it will automatically 
> > > assume all non-zeros to be 1 and zeros to be zero, so I could use the 
> > > occupation schedule here)
> > >
> > > I wanted to maintain the abillity of the fan availibility to turn on 
> > > and off on schedule and when availible and on, deliver a constant 
> > > volume. It should cycle on and off to meet both the minimum air and 
> > > room loads as required during its availibillity on time.
> > >
> > > 2. Yes, this manager is not used, but I thought to keep it if it 
> > > became apparent that it is needed at a future stage. I will try and 
> > > delete this manager (which overides scheduled values as specified) as 
> > > it maybe suppressing ventilation during "darkness hours". Good thinking.
> > >
> > > 3. The ODA controller is auto-sizing to the correct value (checked 
> > > it). More over I checked with this also manually set (no difference), 
> > > so that was not the problem. I don't want the master of the 
> > > auto-sizing to become irrelivant, as I'd rather adjust as little 
> > > inputs as nessesary, so that's why I left this on auto.
> > >
> > > Well spotted. Thanks for the input.
> > >
> > > Could you figure out why my PEOPLE sensible heat gains and occupation 
> > > seem to start earlier than the 10001 occupation schedule suggests?
> > >
> > > The day schedule is set up in 30min intervals. I have the feeling 
> > > something is interpolating backwards.
> > >
> > > Kind regards,
> > >
> > > jean.
> > >
> > > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx
> <mailto:EnergyPlus_Support%40yahoogroups.com>  
> > > <mailto:EnergyPlus_Support%40yahoogroups.com>, "James V Dirkes II, PE" 
> > > <jim@> wrote:
> > > >
> > > > 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%40yahoogroups.com>  
> > > <mailto:EnergyPlus_Support%40yahoogroups.com>
> > > > [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx
> <mailto:EnergyPlus_Support%40yahoogroups.com>  
> > > <mailto:EnergyPlus_Support%40yahoogroups.com>] On Behalf Of jeannieboef
> > > > Sent: Friday, October 15, 2010 3:46 AM
> > > > To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> <mailto:EnergyPlus_Support%40yahoogroups.com>  
> > > <mailto:EnergyPlus_Support%40yahoogroups.com>
> > > > 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
> > > >
> > >
> > > 
> > 
> > -- 
> > Richard A. Raustad
> > Senior Research Engineer
> > Florida Solar Energy Center
> > University of Central Florida
> > 1679 Clearlake Road
> > Cocoa, FL 32922-5703
> > Phone: (321) 638-1454
> > Fax: (321) 638-1439 or 1010
> > Visit our web site at: http://www.fsec.ucf.edu
> > 
> > UCF - From Promise to Prominence: Celebrating 40 Years
> >
>




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