[TRNSYS-users] Pump Type749 question

David BRADLEY d.bradley at tess-inc.com
Mon Jan 5 18:45:59 PST 2015

  When you see a parameter that refers to a logical unit number, it is 
always an indication that the component requires an external data file. 
The location of the data file is specified in the "external files" tab 
of the proforma. I would recommend that you refer to the Type749 
documentation located in the ..\Trnsys17\Tess 
Models\Documentation\07-HydronicsLibraryMathematicalReference.pdf to 
answer your questions about the Type.

On 1/5/2015 16:15, sergio morales wrote:
> Hello TRNSYS users:
> I have a question about Type749's parameter "Logical unit for pump 
> data file". What is it? what is its function?. My problem is that the 
> system curve does not intersect with pump curve. Can be for this 
> parameter? or where can be the mistake?. How do i determinate what is 
> the correct logical number for my system?.
> I wait your answer and I hope that someone can guide me in this topic. 
> Thank you very much.
> Regards.
> -- 
> Sergio Ignacio Morales Hernández
> Estudiante Ingeniería Civil Mecánica, Mención Energía
> Universidad Técnica Federico Santa María
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> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org

Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

d.bradley at tess-inc.com


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