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<p>Al-Hyari,</p>
<p> It is not really possible to know what might be going wrong
without running the project. What I would suggest is that you make
a new project to which you add only the exhaust and outdoor air
fans. Make sure they are the right size by adjusting parameter
values and run the simulation using an online plotter to verify
that the temperature, humidity and flow rate leaving the fans is
as you planned for it to be. Next, add the heat wheel into the
system. Again, make sure that the parameters are correctly set so
that the heat wheel is appropriately sized to the application.
Again, use the online plotter to verify that the temperatures,
humidities, and flow rates exiting the wheel make sense. Keep
adding one component at a time and verifying as you go.</p>
<p> kind regards,</p>
<p> David</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 11/06/2018 05:44, Al-hyari via
TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:1215744294.1632618.1541504663151@mail.yahoo.com">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<div class="ydp6f435ca1yahoo-style-wrap" style="font-size: 16px;">
<div><font face="bookman old style, new york, times, serif">Dear
Everyone </font></div>
<div><font face="bookman old style, new york, times, serif"><br>
</font></div>
<div><font face="bookman old style, new york, times, serif">so i
tried by my own to build the model for an AHU Equipped with
a heat wheel and auxiliary dx coil connected to a VRV System</font></div>
<div><font face="bookman old style, new york, times, serif"><br>
</font></div>
<div><font face="bookman old style, new york, times, serif">i
want to know the values of temperature and relative humidity
before and after the heat wheel. but there is some mistake
that i can not figure it out.</font></div>
<div><font face="bookman old style, new york, times, serif"><br>
</font></div>
<div><font face="bookman old style, new york, times, serif">please
advise me what can i do to make the correct model to
simulate</font></div>
<div><font face="bookman old style, new york, times, serif"><br>
</font></div>
<div><font face="bookman old style, new york, times, serif">in
the attached files you can find the trnsys model and the
schematic diagram for the AHU</font></div>
<div><font face="bookman old style, new york, times, serif"><br>
</font></div>
<div><font face="bookman old style, new york, times, serif"><br>
</font></div>
<div><font face="bookman old style, new york, times, serif">Regards</font></div>
<div style="font-family: courier new, courier, monaco,
monospace, sans-serif;"><br>
</div>
<div style="font-family: courier new, courier, monaco,
monospace, sans-serif;"><br>
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monospace, sans-serif;"><br>
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<div style="font-family: courier new, courier, monaco,
monospace, sans-serif;"><br>
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<div style="font-family: courier new, courier, monaco,
monospace, sans-serif;"><br>
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monospace, sans-serif;"><br>
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<div style="font-family: courier new, courier, monaco,
monospace, sans-serif;"><br>
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</div>
<div id="ydpd08c6b83yahoo_quoted_2118897686"
class="ydpd08c6b83yahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial,
sans-serif;font-size:13px;color:#26282a;">
<div> On Tuesday, October 30, 2018, 3:30:38 PM GMT+1, Al-hyari
via TRNSYS-users <a class="moz-txt-link-rfc2396E" href="mailto:trnsys-users@lists.onebuilding.org"><trnsys-users@lists.onebuilding.org></a>
wrote: </div>
<div><br>
</div>
<div><br>
</div>
<div>
<div id="ydpd08c6b83yiv7403687478">
<div>
<div
class="ydpd08c6b83yiv7403687478ydpad3315dbyahoo-style-wrap"
style="font-size:16px;">
<div><font face="bookman old style, new york, times,
serif">Dear Colleagues</font></div>
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div><font face="bookman old style, new york, times,
serif">It is my pleasure to join this discussing
group mail. </font></div>
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div><font face="bookman old style, new york, times,
serif">so my question is :</font></div>
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div><font face="bookman old style, new york, times,
serif">I am working to simulate an AHU equipped
with Heat wheel and an auxiliary dx coil connected
to a VRV system.</font></div>
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div><font face="bookman old style, new york, times,
serif">I am new on TrnSys and i don't have much
knowledge.</font></div>
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div><font face="bookman old style, new york, times,
serif">So if any one could help me by sendeng a
similar example to study on it and make
modification on the block diagram i would be
highly appreciated.</font></div>
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div><span style="font-family:bookman old style, new
york, times, serif;">Regards</span><br
clear="none">
</div>
<div><font face="bookman old style, new york, times,
serif">Laith F. Al-Hyari</font></div>
<div class="ydpd08c6b83yiv7403687478yqt7814671644"
id="ydpd08c6b83yiv7403687478yqtfd61241">
<div><font face="bookman old style, new york, times,
serif"><br clear="none">
</font></div>
<div style="font-family:courier new, courier,
monaco, monospace, sans-serif;"><br clear="none">
</div>
</div>
</div>
</div>
</div>
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<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
F:+1.608.278.1475
<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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