[EnergyPlus_Support] Re: Why is my VAV system cooling in winter?

["hbn_pch" <hbn_pch@xxxxxxxxxxxx>]

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "rowan.blakers" <rblakers@...> wrote:
>
> Hi,
> 
> I'm having a bit of trouble understanding why the VAV system I have implemented is cooling during winter. I would expect the building to be in full heating, and the zone temperatures stay around 21 degrees (the heating setpoint). Despite this, there still seems to be a call for cooling.
> 
> I can turn the cooling off by setting the control schedule for that coil, but I would prefer not to do that in general. I have run a simulation with the coils scheduled off, and the zones were not overheating.
> 
> Can anyone suggest what might be causing the chiller/cooling system to come on when not required?
>

Did you simulate the design day?If so,you should check the weekschedule in summer and winter design day.For example,in heating coil schedule ,summer design day should set off.




------------------------------------

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 currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/join
    (Yahoo! ID required)

<*> To change settings via email:
    EnergyPlus_Support-digest@xxxxxxxxxxxxxxx 
    EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/