<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><span class="hps"><span style="font-size:12.0pt;
line-height:115%;font-family:"Times New Roman","serif";mso-ansi-language:EN" lang="EN">Hi,<br><br></span></span><span style="font-size:12.0pt;line-height:115%;font-family:"Times New Roman","serif";
mso-ansi-language:EN" lang="EN"><span class="hps"></span></span><span class="hps"><span style="font-size:12.0pt;
line-height:115%;font-family:"Times New Roman","serif";mso-ansi-language:EN" lang="EN">I</span></span><span style="font-size:12.0pt;line-height:115%;font-family:"Times New Roman","serif";
mso-ansi-language:EN" lang="EN"> <span class="hps">have a</span> <span class="hps">problem</span>
TRNSYS 17 (version 17.00.0025)-Contam (version 3.0.1.1) coupled simulation to
modelling multi-air nodes of monozone building (i.e 12 vertical stacked air
nodes). <span class="hps">A</span><span class="shorttext"> </span><span class="hps">message</span><span class="shorttext"> </span><span class="hps">is displayed</span><span class="shorttext"> </span><span class="hps">on</span><span class="shorttext"> simulation
log (for </span><span class="hps">type</span><span class="shorttext"> </span><span class="hps">97</span>) : ‘the multizone air flow model did not converge in the
maximum number iterations’ </span><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">
<div class="MsoNormal"><span class="hps"><span style="font-size:12.0pt;
line-height:115%;font-family:"Times New Roman","serif";mso-ansi-language:EN" lang="EN">However</span></span><span class="shorttext"><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-ansi-language:EN" lang="EN">, </span></span><span class="hps"><span style="font-size:12.0pt;line-height:115%;font-family:
"Times New Roman","serif";mso-ansi-language:EN" lang="EN">if</span></span><span class="shorttext"><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-ansi-language:EN" lang="EN"> </span></span><span class="hps"><span style="font-size:12.0pt;line-height:115%;font-family:
"Times New Roman","serif";mso-ansi-language:EN" lang="EN">I use the previous version of TRNSYS</span></span><span class="shorttext"><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-ansi-language:EN" lang="EN">-17 (</span></span><span style="font-size:12.0pt;line-height:115%;font-family:"Times New Roman","serif";
mso-ansi-language:EN" lang="EN">17.00.0019), the simulation is running properly. </span><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN;mso-fareast-language:FR" lang="EN">I have tried to check on source code file of Type-97; the latest version (</span><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN;mso-fareast-language:FR" lang="EN"><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN;mso-fareast-language:FR" lang="EN">TRNSYS-</span>17.00.0025) uses ‘Type97.f90’ while other uses (Type97.for). What is different?</span></div>
<div style="color: rgb(0, 0, 0); font-size: 12pt; font-family: "Times New Roman","serif"; background-color: transparent; font-style: normal;" class="MsoNormal"><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN-US;mso-fareast-language:FR" lang="EN-US"><br></span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: "Times New Roman","serif"; background-color: transparent; font-style: normal;" class="MsoNormal"><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN-US;mso-fareast-language:FR" lang="EN-US">What should I do to make this
simulation running properly on </span><span style="font-size:12.0pt;
line-height:115%;font-family:"Times New Roman","serif";mso-fareast-font-family:
"Times New Roman";mso-ansi-language:EN;mso-fareast-language:FR" lang="EN">version </span><b style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;
line-height:115%;font-family:"Times New Roman","serif";mso-fareast-font-family:
"Times New Roman";mso-ansi-language:EN;mso-fareast-language:FR" lang="EN">17.00.0025</span></b><span style="font-size:12.0pt;line-height:115%;font-family:"Times New Roman","serif";
mso-fareast-font-family:"Times New Roman";mso-ansi-language:EN;mso-fareast-language:
FR" lang="EN"> of TRNSYS 17?</span><span style="font-size:12.0pt;line-height:
115%;font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN-US;mso-fareast-language:FR" lang="EN-US"></span></div>
</div><div><br><br><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN-US;mso-fareast-language:FR" lang="EN-US">I am very happy if some one would like to share the information<br><br>Thank you<br></span><span style="font-size:12.0pt;line-height:115%;
font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman";
mso-ansi-language:EN-US;mso-fareast-language:FR" lang="EN-US"><br>Remon</span><br></div></div></body></html>