[EnergyPlus_Support] Re: Vent Availibilty Sch with fractional values - what happens?

["jeannieboef" <jeannieboef@xxxxxxxxx>]

Perfect. Thanks.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad <RRaustad@...> wrote:
>
>   You should see these notes in the IDFEditor or can view them in the 
> IDD file. Zero's mean off and all other values means on. Yes these notes 
> say "less than or equal to 1" but the code actually only looks for 
> values <= 0 for off and all other values allow venting. You could easily 
> test this by using different values in your schedlue.
> 
>    A4; \field Venting Availability Schedule Name
>        \type object-list
>        \object-list ScheduleNames
>        \note Non-zero Schedule value means venting is allowed if other 
> venting control conditions are
>        \note satisfied. A zero (or negative) Schedule value means 
> venting is not allowed under any
>        \note The Schedule values should be greater than or equal to 0 
> and less than or equal to 1.
>        \note circumstances. If this Schedule is not specified then 
> venting is allowed if
>        \note other venting control conditions are satisfied.
>        \note Not used if Ventilation Control Mode = NoVent.
> 
> 
> On 9/29/2010 3:49 AM, jeannieboef wrote:
> >
> > AirflowNetwork:MultiZone:Zone,
> > 118451, !- Name of
> > Schedule 12345 contains fractional values...however surely ventilation 
> > availibility is either 0 or 1. The simulation does not give any 
> > errors. Does the program automatically set values greater than 0 to 1?
> >
> > Associated Thermal Zone
> > Temperature, !- Ventilation Control Mode
> > 20001, !- Vent Temperature Schedule
> > , !- Limit on multiplier for modulating venting open factor
> > , !- Lower value on inside/outside temperature difference for 
> > modulating the venting open factor
> > , !- Upper value on inside/outside temperature difference for 
> > modulating the venting open factor
> > , !- Lower value on inside/outside enthalpy difference for modulating 
> > the venting open factor
> > , !- Upper value on inside/outside enthalpy difference for modulating 
> > the venting open factor
> > 12345; !- Venting Availability Schedule Name
> >
> > 
> 
> -- 
> 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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