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I have also found very strange results on the hourly reports of heating
coil temperature, cooling coil temperature , and coil entering
temperature. Often the reported values do not make much sense, and
depending on the system type the nosense is in one way or in another.
In general, it seems the 'entering coil temperature' gives the right
value for the mixing of return and OA air. The 51ºF for the heating
coil temperature looks like a standard for this hourly output (almost
always the same). It always alarms rather a lot to find these numeric
values without sense (you can't help thinking what about the other
values you are using to take important desitions from your simulation
results...), but I have done some testing and it seems that energy
values are on the right direction in spite of this wrong reported coil
temperatures (whe baseboards are present energy values do not fit as
good as with coil heating, but still it goes on the right direction).<br>
So, I would think this afaire is mostly a bug in reporting those
variables, but it would be nice if one of those involved in eQuest
development could confirm this point.<br>
Regards,<br>
<br>
En/na Doebber, Ian ha escrit:
<blockquote
cite="mid9228D7EC9A32594191AA7530DB53144906CB4225@mail-3a.nrel.gov"
type="cite">
<pre wrap="">For a strange reason, during the Winter Time (cold outside air at ~35 F and return air at ~70 F) result in Mixed Air ~60°F that needs to be heated up.
Even though the Mixed Air entering the Unit is ~60°F the air temperature leaving the Heating Coil is constantly 51 F despite the Central Heating Coil consuming around 40 kBtu/hr.
Is there simply a reporting bug or is this indicative of a larger bug that the Heating Coil is consuming energy but not providing any heat. As a result, my Electric Resistance Reheat at the VAV Boxes is huge.
Any suggestions on how to properly turn on my HHW Coil would be very appreciated.
Regards
Ian Doebber
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<pre><b><span style="font-size: 12pt; font-family: Arial;" lang="CA"><o:p> </o:p></span></b></pre>
<pre><b><span style="font-size: 12pt; font-family: Arial;" lang="CA">Xavier García Casals</span></b><span
style="font-family: Arial;" lang="CA"><o:p></o:p></span></pre>
<pre><span style="font-family: Arial;" lang="CA"><o:p> </o:p></span></pre>
<pre><span class="SpellE"><b><span style="font-family: Arial;" lang="CA">Sistemas</span></b></span><b><span
style="font-family: Arial;" lang="CA"> Solares, <span class="SpellE">Eficiencia</span> <span
class="SpellE">Energética</span> e <span class="SpellE">Ingeniería</span> <span
class="SpellE">Bioclimática</span></span></b><b style=""><span
style="font-family: Arial;" lang="CA"> <o:p></o:p></span></b></pre>
<pre><span class="SpellE"><b><span style="font-family: Arial;" lang="CA">AIGUASOL</span></b></span><b><span
style="font-family: Arial;" lang="CA"> <span class="SpellE">INGENIERÍA</span><o:p></o:p></span></b></pre>
<pre><b style=""><span style="font-family: Arial;" lang="CA"> <o:p></o:p></span></b></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">Sistemes Avançats d’Energia Solar Tèrmica <span
class="SpellE">SCCL</span><o:p></o:p></span></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">C/ <span class="SpellE">Palermo</span>, 17. <span
class="SpellE">Bajos</span> <span class="SpellE">dcha</span>. 28043 Madrid<o:p></o:p></span></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">Tel: (+34) 91 142 27 88<o:p></o:p></span></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA"><o:p> </o:p></span></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">C/ Roger de <span class="SpellE">Llúria</span>,<span style=""> </span>29 3r 2a 08009 Barcelona<o:p></o:p></span></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">Tel: (+34) 93 342 47 55<span style=""> </span>Fax: (+34) 93 342 47 56<o:p></o:p></span></pre>
<pre><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA"><o:p> </o:p></span></pre>
<pre><span class="SpellE"><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">Mobil</span></span><span
style="font-size: 8pt; font-family: Arial; color: rgb(0, 153, 0);"
lang="CA">: 660 22 94 45<o:p></o:p></span></pre>
<pre><span style="font-size: 8pt; font-family: Arial; color: blue;"
lang="CA"><a href="mailto:xavier.garcia@aiguasol.coop">xavier.garcia@aiguasol.coop</a></span><span
class="MsoHyperlink"><o:p></o:p></span></pre>
<pre><span style="font-size: 8pt; font-family: Arial; color: blue;"
lang="CA"><a href="http://www.aiguasol.coop/">http://www.aiguasol.coop</a></span></pre>
<pre><b><span style="font-size: 12pt; font-family: Arial;" lang="CA"><o:p> </o:p></span></b></pre>
<p class="MsoNormal"><span style="" lang="CA"><o:p> </o:p></span></p>
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