[TRNSYS-users] Pump control in domestic hot water system

[David BRADLEY]

Amadou,

   This kind of question should go to your distributor's hotline for 
assistance. You'll need to send them the project and any files needed in 
order to run it. If you aren't sure who to contact send me a direct 
email and I'll get you pointed in the right direction.

David


On 04/01/2022 04:47, Amadou OUMAROU OUSMANE via TRNSYS-users wrote:
> Dear TRNSYS users,
>
> I'm trying to model a domestic hot water using the type 156 for water 
> storage. The pump is controlled by the type 165 (2-5 °C as 
> hysteresis). But the difference between the temperature at the outlet 
> of the collector and the lower tank temperature is always higher than 
> 2°C. So the pump is always ON. When I checked in the plotter, it seems 
> like the temperature is equal to the temperature of the immersed heat 
> exchanger even at night when there's no radiation.
>
> Can anyone help me fix this please ?
>
> Regards,
> Amadou
>
> _______________________________________________
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> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org

-- 
***************************
David BRADLEY
Principal
Thermal Energy System Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

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

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