[TRNSYS-users] PV panel for water heating - Problem with electric heating device

Jeff Thornton thornton at tess-inc.com
Thu Aug 13 20:32:13 PDT 2015


Can you please send the error message that is written in the list file.
Without that, or the Singapore weather file, it's hard to diagnose from
your description. 


Jeff Thornton
President - TESS LLC
22 N. Carroll Street, Madison WI USA 53703
Office: (608) 274-2577 Fax: (608) 278-1475
E-Mail: thornton at tess-inc.com

On 08/13/2015 8:41 pm, Anas Majdouli wrote: 

> Hi TRNsys community,
> For my project, I need to simulate a case : DHW production using PV panel electricity output as an input for the auxiliary heating within the tank. I used a master-slave heating device (Type 2270) to simulate heating from PV panel through the lower element and a back up heating (in case the set point temperature is not reached) through the upper element. 
> The simulation is for one year, using both Type 99 for solar irradiance and Tamb, and Type 15-6 for incidence angle, slope... I use also an aquastat to control the outlet temperature to 45°C. The TRNsys file is attached to this email.
> I am requesting for your help, because the simulation doesn't seem working. It stops at 1789.3 hours. According to the list file, the error comes from how the heating device for the tank is used. I already tried to link directly the PV panel to the heating device, to change type 2270 into 2 separate electric heating devices (Type 1226). The simulation stops at exactly the same moment. Could you help me please ?
> Thanks in advance.
> Yours Sincerely,
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org [1]

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