[TRNSYS-users] TRNSYS-users Digest, Vol 67, Issue 12

[David Bradley]

Mariana,
   Do any of your walls have the "automatic heat transfer coefficient" 
calculation option turned on? If so, try to (temporarily) set them all 
to constant coefficients. TRNBuild/Type56 doesn't allow that mode to be 
used on the outside surface of an EXTERNAL wall. Years ago, I did have 
the problem where I had all walls set with constant heat transfer 
coefficients and still got that error but the bug was corrected in a 
quite early release of Trnsys16 (2005 at the latest).
Best,
  David

On 7/6/2010 16:05, ghetu mariana wrote:
>
> Hello,
>
> Has anyone had this kind of error message?
>
> "Error in automatic heat transfer calculation for surface 399 or its 
> adjacent surface!: Automatic heat transfer calculation is only allowed 
> on surfaces within a zone. Please check building input file."
>
> Surface 399 is adjacent and the wall time has the front convective 
> heat transfer coefficient set to 11 kJ/h,m2K and the back to 12 
> kJ/h,m2K. It's supposed to be working this way but I have the same 
> error message.
>
> Thanks in advance,
>
>
> Mariana GHETU
> ------------------------------------------------------------------------
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> *Subject:* TRNSYS-users Digest, Vol 67, Issue 12
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>   1. Re: windows in Trnsys (David Bradley)
>   2. Re: type 557 run time error 6 overflow (David Bradley)
>   3. Re: problem (David Bradley)
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-- 
***************************
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
bradley at tess-inc.com

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

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