Re: [TRNSYS-users] Type4 - control strategy

[David Bradley <bradley@tess-inc.com>]

Dear Amandine,
  The simplest thing to do is to set the power of the two Type2
auxiliary heaters to zero. Then, no matter what the internal thermostats
decide to do, the heaters are unable to increase the temperature of the
water in the tank.
Kind regards,
 David


At 10:22 3/29/2006, Amandine LE DENN wrote:
> Dear
> Trnsys users,
>  
> I would like to use Type4 storage tank with one auxiliary heater, only
> controlled by a ON/OFF controller (Type2). 
> However, it seems that the other conditions (temperature conditions
> inside the tank: Tthermostat < Tset and Tnode < Tset - Tdb) already
> control the ON/OFF cycle of the auxiliary heater. 
> What can I do to avoid those two conditions ? If I give the same value to
> Tdb and Tset , auxiliary heater doesn't work.
> I modeled a tank with one node.
>  
> Thank you for your answers,
>  
> Amandine LE DENN
>
> INSA Toulouse
> Mel:
> amandine.le-denn@tecsol.fr
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> Tecnosud - B.P 434
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