[TRNSYS-users] Type 508c cooling coil problems

David BRADLEY d.bradley at tess-inc.com
Wed Aug 28 07:45:43 PDT 2013


Santeri,
   Without looking at the project, it is not really possible to guess at 
what might be going on. I would recommend that you contact your 
distributor's technical support.
Kind regards,
  David


On 8/28/2013 06:40, santeri siren wrote:
> Dear TRNSYS users,
> I need to simulate a dehumifying AHU cooling coil in one of my 
> projects and type 508c seemed to be most suitable for this purpose. 
> However when I tested type 508c the results are really strange and it 
> doesnt seem to work properly at all.
> Description of my test project:
> Type 92 auxiliary cooler cools water steream to 8 C --> type 110 
> single speed pump makes the water flow ---> water flows into type 508c 
> cooling coil that is set to keep air outlet temperature at 16 C.
> Please see the attached picture. It shows the results in my test 
> simulation (air and water temperatures and flow rates) (air flow and 
> inlet air RH are constant)
> Results show that type 508c manages to keep the air outlet temperature 
> in its setpoint (16C) only at some point. Other times air outlet 
> temperature behawes strangely. Also, coil water flow and bypass flow 
> dont make sense.
> Could someone please help me to make this work ?
> best regards,
> Santeri Siren
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at cae.wisc.edu
> https://mailman.cae.wisc.edu/listinfo/trnsys-users

-- 
***************************
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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