Using the Load management controls, you can turn on/off a water system by OA temperature. The help menus could be useful for this. You could also put a "outdoor snap" on the water loop. The snap will turn off teh entire loop, and therefore the boiler or any other energy device according to the snap temperature.<div>
<br></div><div>I attached a screenshot of the snap stuff.</div><div><br></div><div><br><br><div class="gmail_quote">On Mon, Mar 26, 2012 at 8:25 AM, Dane Heimerman <span dir="ltr"><<a href="mailto:daneh@mlnai.com">daneh@mlnai.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
I'm unfamiliar with load management controls. I'm in a similar
situation, trying to mimic a boiler on a gshp loop.<br>
<br>
How can I control the boiler based on outdoor air temperature?<br>
<br>
Thanks in advance,<br>
<pre cols="72">Dane Heimerman, EIT
HVAC Engineer
Michael L. Norris & Associates, Inc.
270 Walker Dr, Suite 201B
State College, PA 16801
p:<a href="tel:814.867.3823" value="+18148673823" target="_blank">814.867.3823</a>
f:<a href="tel:814.867.4823" value="+18148674823" target="_blank">814.867.4823</a>
<a href="mailto:daneh@mlnai.com" target="_blank">daneh@mlnai.com</a></pre><div><div class="h5">
<br>
On 1/7/2011 2:58 PM, Otto Schwieterman wrote:
</div></div><blockquote type="cite"><div><div class="h5">
<div>
<p class="MsoNormal"><span style="color:#1f497d">In addition to
this, you can
create a load management to control when the boilers will be
used for heating instead
of the geothermal loop. This works well if you know the
capacity of the
geothermal loop.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></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;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
Anthony Hardman
[<a href="mailto:Anthony@GreenEngineer.com" target="_blank">mailto:Anthony@GreenEngineer.com</a>] <br>
<b>Sent:</b> Thursday, January 06, 2011 4:19 PM<br>
<b>To:</b> 'Matthew W. Higgins';
<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Boiler on GSHP Loop<u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span style="color:#1f497d">You can go to
the circulation
loop attached to the GHEX and create an artificial boiler
load under the
“Process/DHW Loads” tab. You’ll have to account
for your fuel consumption separately but you’ll at least be
able to see
how the artificial boiler loads impact the ground loop
temperature. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">My two cents:
I’d place
the boiler upstream of the heat pumps and wouldn’t try to
warm the ground
above its’ undisturbed temperature. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<div>
<p class="MsoNormal"><b><span style="color:#0f243e">Anthony
Hardman, PE<u></u><u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;color:#0f243e">LEED AP
BD&C</span><span style="color:#0f243e"><u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e">Building
Performance Analyst<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="color:#00b050">THE GREEN
ENGINEER, LLP<u></u><u></u></span></b></p>
<p class="MsoNormal"><b><span style="color:#00b050">Sustainable
Design Consulting
– Energy Modeling – LEED Project Management </span></b><span style="color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e">50 Beharrell St<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e">Concord, MA
01742<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e">O: <a href="tel:978%2F610-2801" value="+19786102801" target="_blank">978/610-2801</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e">C: <a href="tel:720%2F840-7862" value="+17208407862" target="_blank">720/840-7862</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e"><u></u> <u></u></span></p>
<p class="MsoNormal"><a href="http://www.greenengineer.com/" target="_blank"><span style="font-size:10.0pt;text-decoration:none"><img alt="Description: TGE Logo" height="47" width="49" border="0"></span></a><a href="http://www.linkedin.com/in/ahardman81" target="_blank"><span style="color:#1f497d;text-decoration:none"><img alt="Description: images5" height="47" width="52" border="0"></span></a><a href="http://twitter.com/#%21/a_Hardman" target="_blank"><span style="text-decoration:none"><img alt="Description: t4" height="47" width="49" border="0"></span></a><span style="color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0f243e"><u></u> <u></u></span></p>
</div>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></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;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>
[<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">mailto:equest-users-bounces@lists.onebuilding.org</a>] <b>On
Behalf Of </b>Matthew
W. Higgins<br>
<b>Sent:</b> Thursday, January 06, 2011 12:44 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] Boiler on GSHP Loop<u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I’m trying to simulate the energy
consequences of
adding a boiler to the ground loop for a cold climate, but
eQuest does not
allow this application. Are there any ideas on how to fake it?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">We’re effectively trying to warm the ground
because
the average undisturbed ground temperature is so low.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Much thanks<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Matthew Higgins, ASHRAE-HBDP, LEED-AP<u></u><u></u></p>
<p class="MsoNormal"><i>Energy Engineer<u></u><u></u></i></p>
<p class="MsoNormal"><b><span style="font-family:"Arial","sans-serif";color:#0f0f65"><u></u> <u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-family:"Arial","sans-serif";color:#0f0f65">Bridgers
&
Paxton Consulting Engineers, Inc.<u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#0f0f65">4600-C
Montgomery Blvd. NE<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#0f0f65">Albuquerque,
NM 87109<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#0f0f65"><a href="tel:505-883-4111" value="+15058834111" target="_blank">505-883-4111</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#0f0f65"><a href="tel:505-888-1436" value="+15058881436" target="_blank">505-888-1436</a>
Fax<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#002060"><a href="mailto:mwhiggins@bpce.com" target="_blank">mwhiggins@bpce.com</a>
<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><b><span style="color:#4f81bd"><a href="http://www.bpce.com" target="_blank">www.bpce.com</a><u></u><u></u></span></b></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
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