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Mariana,<br>
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).<br>
Best,<br>
David<br>
<br>
On 7/6/2010 16:05, ghetu mariana wrote:
<blockquote cite="mid:210465.3944.qm@web27107.mail.ukl.yahoo.com"
type="cite">
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<p class="MsoNormal"><span style="" lang="FR">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="" lang="FR"><o:p> </o:p></span></p>
<p class="MsoNormal">Has anyone had this kind of error message?</p>
<p class="MsoNormal">“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.”</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Surface 399 is adjacent and the wall time has
the front <span style=""> </span>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.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance, </p>
<p class="MsoNormal"><br>
</p>
</div>
<div style="font-family: arial,helvetica,sans-serif; font-size: 12pt;">Mariana
GHETU<br>
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<b><span style="font-weight: bold;">Sent:</span></b> Tue, 6 July,
2010 20:20:51<br>
<b><span style="font-weight: bold;">Subject:</span></b> TRNSYS-users
Digest, Vol 67, Issue 12<br>
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<pre class="moz-signature" cols="72">--
***************************
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
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