Re: [EnergyPlus_Support] Re: Achiving an exact setpoint temperature.

["Michael J. Witte" <mjwitte@xxxxxxxx>]

Use the automated sizing calculations in EnergyPlus to determine the 
required equipment capacities.  See the section on Autosizing in the 
Input Output Reference starting on p. 246.  

Mike


On 4 Aug 2003, at 11:54, itamargoldberger wrote:

> Thanks Mike
> Can you tell me where can I fine recomendations for capacities ?
> I am trying to run a classroom at 6.8*7.2*3 m size .
> The climate is Jerusalem climate : 26.2 DB 18.4 WB at 21/7 12:00. What
> is the cooling capacity I need ?
> 
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J. Witte" 
> <mjwitte@g...> wrote:
> > EnergyPlus thermostats attempt to control to the exact setpoint.  
> You 
> > cannot control the tolerance of the thermostat setpoints.  If the
> > setpoint is not being met, the capacity is probably not adequate, 
> or 
> > some other component in the HVAC system is not being controlled
> > properly.  
> > 
> > Mike
> > 
> > 
> > On 22 Jul 2003, at 8:41, itamargoldberger wrote:
> > 
> > > I am running some file where the set points are 24.5 at the 
> Summer and
> > > 20.5 [C]at the Winter. The system is cooling and heating BUT not
> > > reaching the exact temperature ( it reaches to 20.7 - 20.95 at the
> > > Summer ant to about 20.35 at the Winter ) How can I Control the
> > > tolerance of the setpoints ? Can E+ reach to an exact temp. ? 
> What can
> > > be the reasons to not reaching it ? Thanks 
> > > 
> > > 
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