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    <p>Toni,</p>
     I think the problem with your file is that the basement ceiling is
    a single surface that does not correspond to (ie is not the same
    size and shape as) the floors of the zones above. Like we did with
    the other case, you have to draw lines on the basement ceiling that
    correspond to each of the floor plates of the zones above. Since you
    have 14 zones that make up the floor above, your basement ceiling
    needs to be cut into 14 pieces.
    <p>kind regards,</p>
    <p> David</p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">On 01/13/2021 06:02, Toni Calabrese via
      TRNSYS-users wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:VE1PR09MB32143E8E035D5A30177A8026E9A90@VE1PR09MB3214.eurprd09.prod.outlook.com">
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        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US">Hi
            everyone,<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US">I
            have a huge problem and I do not know if it is a problem in
            Trnsys3D or TRNBUILD. Attached you can find the IDF file. I
            drawn a complete flat (Ground Floor) and below it I drawn
            the cellar as a single zone connected to the ground floor.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US">Could
            you firstly check if all the walls (in particular ADJ Walls
            between the rooms of the ground floor and the ceiling
            between ground floor and cellar) are defined correctly?<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US">I
            tried to import this model in Trnsys via 3d Wizard but it is
            not able to import the model (it is always loading the file)
            and I do not know why.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US">Could
            you maybe try to import it in trnsys and see if in your case
            it works?<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US">Thanks
            a lot and have a nice day.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D" lang="EN-US"><o:p> </o:p></span></p>
        <div class="MsoNormal" style="text-align:center" align="center"><span
style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">
            <hr width="100%" size="2" align="center">
          </span></div>
        <p class="MsoNormal" style="margin-top:4.0pt"><b><span
              style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">Toni
              Calabrese</span></b><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">,
            MSc.</span><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">Wissenschaftlicher
            Projektmitarbeiter<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH"><a
              href="mailto:toni.calabrese@spf.ch" moz-do-not-send="true"><span
                style="color:#0065A3">toni.calabrese@spf.ch</span></a> |</span><span
style="font-size:10.0pt;color:#8C195F;mso-fareast-language:DE-CH">
          </span><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH"><a
              href="mailto:toni.calabrese@ost.ch" moz-do-not-send="true"><span
                style="color:#0065A3">toni.calabrese@ost.ch</span></a></span><span
style="font-size:10.0pt;color:#8C195F;mso-fareast-language:DE-CH"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-family:"Calibri",sans-serif;color:#8C195F;mso-fareast-language:DE-CH"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">T
            +41 58 257 4827<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">SPF
            Institut für Solartechnik<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">OST
            – Ostschweizer Fachhochschule<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH">Oberseestr.
            10 | CH-8640 Rapperswil | Switzerland |
          </span><u><span
              style="color:#8C195F;mso-fareast-language:DE-CH"><a
                href="http://www.spf.ch" moz-do-not-send="true"><span
                  style="font-size:10.0pt;color:#8C195F">www.spf.ch</span></a></span></u><span
style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH"> |
          </span><u><span
              style="color:#8C195F;mso-fareast-language:DE-CH"><a
                href="http://www.ost.ch" moz-do-not-send="true"><span
                  style="font-size:10.0pt;color:#8C195F">www.ost.ch</span></a></span></u><span
style="font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:DE-CH"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE-CH"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:9.0pt;color:#1F497D">OST
            – Ostschweizer Fachhochschule ist der Zusammenschluss aus
            FHS St.Gallen, HSR Rapperswil und NTB Buchs.<o:p></o:p></span></p>
        <p class="MsoNormal"><o:p> </o:p></p>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
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<a class="moz-txt-link-abbreviated" href="mailto:TRNSYS-users@lists.onebuilding.org">TRNSYS-users@lists.onebuilding.org</a>
<a class="moz-txt-link-freetext" href="http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</a>
</pre>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>

<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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