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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Ramesh,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>For future reference, you need to send out more than your pd2
file for others to be able to view your model. In this case, you should at
minimum send the pd2/inp, and you’d want to include the non-library weather
file as well if you anticipated others might need to run simulations to
troubleshoot. That said, I think I can guess at the source of this error without
looking at your model:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>When defining a custom construction (or modifying a wizard
construction) - you cannot define too many layers using the “simplified”
method with only an R-value. This is how simpler programs like HAP/TRACE
operate – I suppose they assume thermal massing figures, if retained/transferred
heat is modeled at all. This input method for construction layers exists in
eQuest specifically to define things like air film which have no appreciable thermal
mass. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If the total defined thermal mass of the wall is too low or zero,
the program giving you an error like this because it is recognizing that the
energy model will behave unlike any real construction.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><br>
~Nick<o:p></o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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color:#1F497D'><img width=119 height=37 id="Picture_x0020_1"
src="cid:image001.jpg@01CB16AC.1F8B9B20" alt="cid:489575314@22072009-0ABB"></span><b><span
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color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><span style='font-size:7.5pt;color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>ramesh
buddhi<br>
<b>Sent:</b> Friday, June 25, 2010 2:27 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] BDl Error<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Hi<br>
<br>
I am using eQuest 3-63 can any one help me out on the below error please find
the attachment.<br>
<br>
TYPE=PROPERTIES TH=0.0625 COND=0.1330 DENS=45.0 S-H=0.2 ..<br>
Cannot simulate LAYERS Ceilg Cons Layers as given. The wall is too thin or too
light. THICKNESS and/or DENSITY*SPECIFIC HEAT is too small. Use U-VALUE
CONSTRUCTION.<br>
<br>
<br>
BDL Error<br>
<br>
cannot simulate Layer ceilg cons layers as given. The wall is too thin too
light. Thickness and/or Density*specific heat is too small. Use U-Value
construction.<br>
<br>
Thanks<br>
Ramesh BR<o:p></o:p></span></p>
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