<div dir="ltr">James-<br><br>To size the baseboards I usually look at the corresponding space and size based on the heat loss due to glass conduction. It can be tedious but eQuest has issues sizing them correctly.<br><br>
steve<br><br><div class="gmail_quote">On Thu, Aug 21, 2008 at 12:07 PM, Bishop, Bill <span dir="ltr"><<a href="mailto:bbishop@pathfinderengineers.com">bbishop@pathfinderengineers.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">I agree with James, except I believe if
you have a Hot Water Loop selected for your Zone Heat Source at the system
level, you are modeling reheat at the VAV boxes. I would select "Not
Installed" for the Zone Heat Source. Check the SV-A report for the
system and you should have "BASEBOARDS" show up next to a heating
capacity value for the zones with baseboards.</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Regards,</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Bill</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
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<p><b><font color="black" face="Franklin Gothic Medium" size="2"><span style="font-size: 10pt; color: black; font-weight: bold;">William Bishop</span></font></b><b><font color="black" face="Franklin Gothic Medium Cond" size="2"><span style="font-size: 10pt; color: black; font-weight: bold;">, EIT, LEED<sup>®</sup>
AP</span></font></b><b><font color="#003300" face="Franklin Gothic Medium Cond" size="2"><span style="font-size: 10pt; color: rgb(0, 51, 0); font-weight: bold;"> </span></font></b><b><font color="green" face="Franklin Gothic Medium Cond" size="2"><span style="font-size: 10pt; color: green; font-weight: bold;">|</span></font></b><b><font color="#003300" face="Franklin Gothic Medium Cond" size="2"><span style="font-size: 10pt; color: rgb(0, 51, 0); font-weight: bold;"> </span></font></b><b><font color="black" face="Franklin Gothic Medium Cond" size="2"><span style="font-size: 10pt; color: black; font-weight: bold;">Pathfinder
Engineers LLP</span></font></b></p>
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<p><font color="black" face="Arial" size="1"><span style="font-size: 9pt; font-family: Arial; color: black;"><a href="mailto:bbishop@pathfinderengineers.com" target="_blank">bbishop@pathfinderengineers.com</a></span></font></p>
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<p><font color="green" face="Webdings" size="5"><span style="font-size: 18pt; font-family: Webdings; color: green;">P</span></font><font color="green"><span style="color: green;"> </span></font><font color="green" size="1"><span style="font-size: 7.5pt; color: green;">Please consider the environment before
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<p><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">
<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>
[mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] <b><span style="font-weight: bold;">On Behalf Of </span></b>Andrew Craig<br>
<b><span style="font-weight: bold;">Sent:</span></b> Thursday, August 21, 2008
11:41 AM<br>
<b><span style="font-weight: bold;">To:</span></b> James Hansen;
<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [Bldg-sim] Baseboard
heaters in VAV system</span></font></p>
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<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">James---</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">In my opinion, baseboards act a little
funny in eQUEST. This is how I've made the scenario you describe
work: </span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Under the Heating tab of your unit (Coil
Cap/Control), restore the default in the reheat entry so it is blank. Make
sure the Hot Water Loop is still enabled as the zone heating source
though. Under the Preheat/Baseboard tab, specify Baseboard Source as the
Hot Water Loop. You can change the default entries for the baseboards
(pressure drop, delta T, valve, etc.) if applicable. Then for each
perimeter zone, go into the heating tab and change the Baseboard control to Thermostatic
if it isn't already selected. I've had trouble getting the
Outdoor Reset selection to work and most of our projects have baseboards
controlled by thermostats anyway. You can also enter the capacity of the
baseboards for each zone or let the system self-size. This should
work…if not I'd be happy to look at the inp.</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Regards,</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<div>
<p><b><font color="black" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: black; font-weight: bold;">Andrew Craig, EIT,LEED
AP</span></font></b><b><font color="#663300" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: rgb(102, 51, 0); font-weight: bold;">/</span></font></b><font color="black" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: black;"> Mechanical
Designer</span></font><font color="navy" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: navy;"> <br>
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</span></font><b><font color="black" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: black; font-weight: bold;">direct</span></font></b><font color="black" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: black;"> 503.382.2696</span></font><font color="navy" face="Trebuchet MS" size="1"><span style="font-size: 7.5pt; color: navy;"> </span></font></p>
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<p><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">
<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>
[mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] <b><span style="font-weight: bold;">On Behalf Of </span></b>James Hansen<br>
<b><span style="font-weight: bold;">Sent:</span></b> Thursday, August 21, 2008
8:18 AM<br>
<b><span style="font-weight: bold;">To:</span></b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br>
<b><span style="font-weight: bold;">Subject:</span></b> [Bldg-sim] Baseboard
heaters in VAV system</span></font></p>
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<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">I've got a building that cools with shutoff VAV boxes and
heats with perimeter hydronic baseboard heaters.</span></font></p>
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<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">When I'm setting up my system, do I specify hot water
baseboard heaters and leave the Zone Heat Source set to "Not
Installed", or do I specify a hot water loop for the Zone Heat Source, and
eQuest knows to apply this to the baseboard heaters and NOT the shutoff VAV
boxes?</span></font></p>
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<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">I currently have the Zone Heat Source as "Not
Installed", but it appears from my SS-R reports that there are hundreds of
hours of underheating, so something is not working correctly. I've had my
hot water loop set to snap, demand, and scheduled, so I think the loop is
running correctly.</span></font></p>
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<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Thanks in advance!</span></font></p>
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<p><b><font color="teal" face="Arial" size="3"><span style="font-size: 12pt; font-family: Arial; color: teal; font-weight: bold;">GHT
Limited<br>
</span></font></b><b><font face="Arial" size="2"><span style="font-size: 11pt; font-family: Arial; font-weight: bold;">James Hansen,
</span></font></b><b><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; font-weight: bold;">PE, LEED AP</span></font></b></p>
<p><b><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; font-weight: bold;">Senior Associate</span></font></b></p>
<p><font face="Arial" size="1"><span style="font-size: 7.5pt; font-family: Arial;">1010 N. Glebe Rd,
Suite 200</span></font></p>
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<p><font face="Arial" size="1"><span style="font-size: 7.5pt; font-family: Arial;">703-338-5754 (Direct)</span></font></p>
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