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Re: [EnergyPlus_Support] Separated zones Branch input

Branch inlet and outlet node names must all be unique.  Branches are connected 
using SPLITTER or MIXER objects.  There error message indicate that the same 
inlet and outlut node names have been used on two different branches.  For an 
example of a fancoil system serving 3 zones, see example file 
FanCoilAutoSize.idf

Mike


On 28 Apr 2007 at 11:10, love9787m wrote:

> I have problem about Branch input.
> Now, modeling 2zones serving fancoil and desiccant separately.
> In branch input, some messages showed up below.
> 
> ** Severe  ** Non-unique node name found, name=PURCHASED COOLING 
> INLET NODE
>    **   ~~~   ** ..1st occurence in Branch=PURCHASED COOLING BRANCH
>    **   ~~~   ** ..duplicate occurrence in Branch=COOLING PURCHASED 
> CHILLED WATER BRANCH
>    ** Severe  ** Non-unique node name found, name=PURCHASED COOLING 
> OUTLET NODE
>    **   ~~~   ** ..1st occurence in Branch=PURCHASED COOLING BRANCH
>    **   ~~~   ** ..duplicate occurrence in Branch=COOLING PURCHASED 
> CHILLED WATER BRANCH
>    ** Severe  ** Non-unique node name found, name=HW DEMAND INLET 
> NODE
>    **   ~~~   ** ..1st occurence in Branch=REHEAT INLET BRANCH
>    **   ~~~   ** ..duplicate occurrence in Branch=ZONESHWINLETBRANCH
>    ** Severe  ** Non-unique node name found, name=HW DEMAND ENTRANCE 
> PIPE OUTLET NODE
>    **   ~~~   ** ..1st occurence in Branch=REHEAT INLET BRANCH
>    **   ~~~   ** ..duplicate occurrence in Branch=ZONESHWINLETBRANCH
>    ** Severe  ** Non-unique node name found, name=HW DEMAND EXIT 
> PIPE INLET NODE
>    **   ~~~   ** ..1st occurence in Branch=REHEAT OUTLET BRANCH
>    **   ~~~   ** ..duplicate occurrence in Branch=ZONESHWOUTLETBRANCH
>    ** Severe  ** Non-unique node name found, name=HW DEMAND OUTLET 
> NODE
>    **   ~~~   ** ..1st occurence in Branch=REHEAT OUTLET BRANCH
>    **   ~~~   ** ..duplicate occurrence in Branch=ZONESHWOUTLETBRANCH
> 
> I think that I must use a only one node name at the Branch.
> Then, How can change the node name of the second branch input?
> 
> 
> 
> 
> 
> 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.pdf under the
> Documentation link 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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