Re: [EnergyPlus_Support] DX Cooling Coil

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

Sorry about the slow response.

It depends on how the stages are arranged and controlled.

If the four stages are all in parallel (four sections of face-split coils), 
then the best you can do is to model this with 2 stages using the multimode DX 
coil.

If the staging is through cylinder unloading, then it's more of a PLR curve 
issue than face-split stages.

If you can send me a diagram of how the stages are arranged, I can try to give 
you more specific suggestions.

Mike


On 6 Feb 2007 at 16:24, asheaffe wrote:

> I am trying to simulate a rooftop VAV system with DX cooling.  What is 
> the best way to simulate a rooftop with four DX compressors, each 
> representing 25% of the total capacity?  
> 
> Thanks,
> 
> Andrew
> 
> 
> 
> 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





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

<*> 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:
    mailto:EnergyPlus_Support-digest@xxxxxxxxxxxxxxx 
    mailto: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/