Back to basics: always make sure your system type can accommodate heat recovery, not all can. I did a brief glance at the documentation and could only find VAVS, PSZ and PMZS specifically mentioned. Further looking might reveal that the capability was added to other systems but I'm not sure which.<br>
<br>An alternative might be to make a separate Dummy System (DS) that just treats the portion of air you want to recover heat from. Just make it the return air in your DS.<br><br>Carol<br><br><div class="gmail_quote">On Thu, May 19, 2011 at 2:19 PM, <span dir="ltr"><<a href="mailto:MattDubrovich@eaton.com">MattDubrovich@eaton.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt">If
you have Windows 7, changing the compatibility mode seems to significantly reduced
the number of unexplainable eQuest 3.64 crashes. I use Windows XP SP 2 mode:</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"><img src="" height="179" width="264"></span><span style="font-size:10.0pt"></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> </span></p>
<div>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:black" lang="EN-GB">Matt Dubrovich, PE, CEM, BEMP <br>
</span></b><span style="font-size:10.0pt;color:black" lang="EN-GB">Energy Solutions Group</span><span style="font-size:10.0pt;color:black"><br>
<br>
</span></p>
</div>
<p class="MsoNormal"><span style="font-size:10.0pt"> </span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt">
<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>
[mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Otto
Schwieterman<br>
<b>Sent:</b> Thursday, May 19, 2011 2:44 PM<br>
<b>To:</b> Colin Bates; <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] eQuest crashing when trying to add Heat
Recovery</span></p>
</div>
</div><div><div></div><div class="h5">
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="color:#1F497D">Colin,</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">I have had this issue when
adding equipment into eQUEST (only when I use eQUEST in Windows 7). I would
suggest creating a quick model, add heat recovery, then go into the .inp file
and copy the heat recovery text from the quick model to the .inp file from the
model that freezes when you add heat recovery in the detailed edit mode.</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">You should then be able to edit
the file in the detailed edit mode. I have no idea why it does this but I have
had problems like this before when using Windows 7.</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hopefully this works,</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Otto</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> Colin Bates
[mailto:<a href="mailto:cmbates@meierinc.com" target="_blank">cmbates@meierinc.com</a>] <br>
<b>Sent:</b> Thursday, May 19, 2011 1:30 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] eQuest crashing when trying to add Heat Recovery</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Has anybody had any issues with eQuest (3.64) freezing up
when trying to add heat recovery. The system is just a central air
handler/VAV system. When I go to add Heat Recovery it lets me select
which type of device, but just once I select one, it just sits there and thinks
and never recovers. If anyone has had this issue or knows of a fix,
you’re help would be greatly appreciated. Thanks.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Futura Bk";color:gray">Colin Bates, PE</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Futura Bk";color:gray">Mechanical Engineer</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Futura Bk";color:gray">Meier Architecture</span><span style="font-size:10.0pt;font-family:"Futura Bk";color:#C00000">•</span><span style="font-size:10.0pt;font-family:"Futura Bk";color:gray">Engineering</span></p>
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