Re: [EnergyPlus_Support] idf file with a heating problem

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

I normally use a dual setpoint thermostat so the HVAC system can switch between 
cooling and heating as needed.  In this model, there is one exterior wall which 
is mostly glass, and the remaining surfaces are all adiabatic. There is 
infiltration, and there is night ventilation in months 5-9.  I would expect 
such a zone to get very warm without any cooling available, especially in the 
months when the night ventilation is scheduled off.

Mike


On 27 Nov 2006 at 20:58, carlosochoam wrote:

> Hi!
> 
> I've just uploaded the idf file Carlos_baseBox5mSouth.idf
> 
> It is a 50m2 box with one double glazed window, a lightshelf and 
> automatic blinds.
> 
> I'm using Purchased Air with single heating and single cooling 
> setpoints.
> 
> The weather file is for Tel Aviv, and my problem is that when 
> simulating October and November, which have "cool" temperatures, my 
> space heats up to 31 degrees.
> 
> I'm suspicious of the heating schedules, because I have set the 
> change from single cooling setpoint to single heating setpoint 
> during October.
> 
> On previous runs, I cancelled internal loads, and it didn't help. I 
> modelled the room also with a single cooling setpoint for all the 
> year, and only then temperatures were "acceptable".
> 
> Your help is more than appreciated,
> 
> Many thanks,
> 
> Carlos
> 
> 
> 
> The primary EnergyPlus web site is found at:
> http://www.energyplus.gov
> 
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
> 
> Attachments are not allowed -- please post any files to the appropriate folder
> in the Files area of the Support Web Site.
> 
> EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the
> "search" button.
>  
> Yahoo! Groups Links
> 
> 
> 
> 
> 


========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx





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