[Equest-users] Hours floating when fans on

John Aulbach jra_sac at yahoo.com
Tue Jul 28 19:48:44 PDT 2009


James:

Make your thermostat deadband range smaller.

John Aulbach

--- On Tue, 7/28/09, James.Souffrant at tac.com <James.Souffrant at tac.com> wrote:

> From: James.Souffrant at tac.com <James.Souffrant at tac.com>
> Subject: [Equest-users] Hours floating when fans on
> To: equest-users at lists.onebuilding.org
> Date: Tuesday, July 28, 2009, 12:00 PM
> 
> 
> 
>  
>  
> 
>  
> 
>  
> 
>  
> 
>  
> 
>  
> 
>  
> 
>  
> 
> 
> 
> 
> 
> 
> 
>  
> 
> 
> 
> Would anyone
> have any suggestions for how to decrease the
> amount of time a system spends floating?  I am
> modeling a VAV reheat
> system, with 24 hr heating availability, space heating set
> point 74 occupied /unoccupied,
> throttling range of 1 degree.  I am unable to simulate
> enough heating
> during the summer to reflect actual usage and I believe
> most of it is being
> lost during these time periods.  I have attached a pdf
> of the specific system
> SIM file.  Specific months of reference are
> May-Nov. 
> 
> 
>   
> 
> Thanks
> 
> 
> 
>   
> 
> James
> Souffrant, EIT
> 
> Engineer I, Project
> Development and Engineering 
> 
>   
> 
> TAC
> 
> 
> Energy
> Solutions 
> 
> 
> 
> 4431
> North Front Street 
> 
> Harrisburg,
>  PA 17109 
>    USA
> 
> Direct:  +1 (717)
> 232-8182 x264
> 
> Fax:      +1 (717) 232-8187
> 
>  Mobile : 
> +1 (717) 982-3691
> 
> Email:    James.Souffrant at tac.com
> 
> Web:    
> www.tac.com
> 
> 
> P
>  Please
> consider the
> environment before printing this e-mail. 
> 
> TAC is becoming
> Schneider Electric on
> October 1, 2009.
> 
> Notice: This email
> message, together with any attachments, contains
> information of TAC, which may
> be confidential, proprietary, copyrighted and/or legally
> privileged. This email
> is intended solely for the use of the individual or entity
> named on the
> message. If you are not the intended recipient, and have
> received this message
> in error, please immediately return by email and then
> delete it. 
> 
>   
> 
>   
> 
>    
> 
> 
> 
>  
> 
> 
> 
> -----Inline Attachment Follows-----
> 
> _______________________________________________
> Equest-users mailing list
> http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org
> To unsubscribe from this mailing list send  a blank
> message to EQUEST-USERS-UNSUBSCRIBE at ONEBUILDING.ORG
> 


      



More information about the Equest-users mailing list