[TRNSYS-users] HVAC Cooling coil: How to change the working fluid

David BRADLEY d.bradley at tess-inc.com
Fri May 8 07:05:57 PDT 2020


José Javier,

   Which cooling coil model and which version of Trnsys are you using? 
If you are using Type32 then it may be that the correlations that 
underlie that model are only valid for water. If you are using Type508 
then it should be that you can set the Cp of the water/glycol as a 
parameter. There is not an error check in the latest Type508 code that 
would cause a problem if the inlet water temperature goes below 0C.

kind regards,

  David


On 05/06/2020 11:47, RUBIO RUBIO, JOSÉ JAVIER via TRNSYS-users wrote:
>
> I am designing a cooling installation and the fluid inside it is 
> glycol water and not simply water. It works a very low temperature 
> (under 0ºC) and when I try to introduce them in the cooling coil an 
> error appears. How can I solve it or change the fluid?
>
> Thank you very much.
>
>
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> TRNSYS-users at lists.onebuilding.org
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
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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