[TRNSYS-users] How to modelize a complex AHU without type 334 ?

Mon Jun 5 07:24:56 PDT 2017

Paul,

   The answer to your question depends a bit on which version of TRNSYS 
you are using and whether you have access to some of the add-ons that 
are available. In v16 and v17 you are correct that the standard library 
does not contain a lot of HVAC equipment models from which you could 
assemble an air handler model. If you are using v16 or v17 you would 
need to either write your own models or use an add-on such as Type334 or 
components from the TESS HVAC library. In v18 the developers added a 
number of HVAC equipment models but in order to model the internal 
pieces of an air handler, you may well still need to use components from 
outside the standard library.

   In order to create a set point temperature for your zone you can use 
the Type108 thermostat model. It is available in the standard library in 
v17. You might also want to look at the tutorial called "temperature 
level control from energy rate control" 
(http://sel.me.wisc.edu/trnsys/downloads/tutorials_and_examples/tutex17.htm). 
It gives some information about the general methodology of modeling a 
building using actual equipment models.

kind regards,

  David

On 06/02/2017 07:54, Gillet Paul via TRNSYS-users wrote:
> Hi,
>
> I have a request concerning the TRNSYS software that my company SOJA ingenierie bought recently.
> My question concern AHU. I know that there is several way to modelize an air handling system using TRNSYS.
> First, add ventilation in TRNBuild and create input for the air flow rate, ventilation temperature.. It is really posible to simulate an AHU just using TRNBuild ?
> Then, I tried to modelize each component of AHU in Simulation Studio, but I don't know how to create a set point temperature in my zone.
> Finally, i know that a type 334 exist, but it is payant. And I don't know the best way to modelize my system.
> So, what is the best way to modelize an Air Handling Unit in Simulation Studio ?
> Please find attach to the mail some files of my work. I just want to visualize the temperature evolution in my building with an AHU.
> Thank you for your answer and your help.
>
> Best regards,
>
>
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> TRNSYS-users at lists.onebuilding.org
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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