<div>Daniel,</div>
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<div>I am doing a model right now where I am using multiple Water-to-water heat pumps in the central plant connected to a geothermal loop. You were reading the correct section of the DOE2 dictionary. Two things you have to do is create a Lake/Well circulation loop and then attach your loop-to-loop hp to it. you will then need to connect the circulation loop to a ground-loop heat exchanger which is the component that actually exchanges the heat energy with the ground loop and the building. This circulation loop (lake/well) is in addition to a chilled water loop feeding your systems and a hot water loop feeding your systems from the heating side of the heat pumps. If you would like some help stepping through these inputs. Email me and we can go through them.</div>
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<div>The thing to note about this system option that I don't like so well is that you can't modulate the flows through the heat pumps themselves, so your pump energy is predicted high. In my project case I have up to 10 WWHP's and I have to have three additional pumps associated with each unit--this is really really high pump/aux energy.</div>
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<div>Pasha</div>
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<div>PK Consulting<br><br></div>
<div class="gmail_quote">On Mon, Mar 1, 2010 at 1:59 PM, Anthony Hardman <span dir="ltr"><<a href="mailto:Anthony@geoenergyservices.com">Anthony@geoenergyservices.com</a>></span> wrote:<br>
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<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt">Not sure if somebody answered this yet or not. The short answer is no, but <a href="http://apps1.eere.energy.gov/geothermal/projects/projects.cfm/ProjectID=111" target="_blank">hopefully that’ll change soon</a>?</span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt"> </span></p>
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<p class="MsoNormal"><b><span style="COLOR: #1f497d; FONT-SIZE: 11pt">Anthony Hardman</span></b></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">Mechancial Engineer</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">LEED AP</span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt"> </span></p>
<p class="MsoNormal"><span style="COLOR: #9bbb59; FONT-SIZE: 14pt">Geo-Energy Services</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">14250 E Easter Pl, STE C</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">Centennial, CO 80112</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">303-531-5292 v</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">303-805-3563 f</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-SIZE: 11pt">720-273-9973 c</span></p>
<p class="MsoNormal"><u><span style="COLOR: #0070c0"><a href="http://www.geoenergyservices.com/" target="_blank">www.GeoEnergyServices.com</a></span></u></p></div>
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<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> <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>Daniel Deese<br>
<b>Sent:</b> Monday, February 22, 2010 3:09 PM
<div class="im"><br><b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br></div><b>Subject:</b> [Equest-users] Modeling Water to Water Heat Pumps</span>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Garamond','serif'">Hi All,</span></p></div>
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<p class="MsoNormal"> <span style="FONT-FAMILY: 'Garamond','serif'">We're working on a lab project that will have a 100% outside air control strategy, and therefore significant cooling and reheat loads. We'll be using pretty standard chillers to provide chilled water, and rejecting the heat to a common ground loop. For heating, we'll be using water to water heat pumps to remove heat from the common ground loop and put it into the heating water loop (for pre- and re-heat). And the third component will be a ground loop heat exchanger (vertical wells) to act as the heat sink/source for the heating and cooling extremes.</span></p>
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<p class="MsoNormal"> <span style="FONT-FAMILY: 'Garamond','serif'">My question really is this: Can eQuest model a water to water heat pump? I found something in the DOE-2.2 volume dictionary about a Loop-to-Loop heat pump, but it doesn't give me any .inp commands or variables, so I'm a little scared to just throw in a loop to loop heat pump. In addition to my fears, I don't see a "heat pump" heading under which to put it. </span></p>
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<p class="MsoNormal"> <span style="FONT-FAMILY: 'Garamond','serif'">If anyone has tried this before and has any insight, it would be greatly appreciated. thanks.</span></p></div>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Garamond','serif'">daniel</span></p></div>
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<p class="MsoNormal"><strong>Daniel I. Deese, EI</strong>| <strong><span>CRB Consulting Engineers</span></strong> | </p>
<p class="MsoNormal"><span style="COLOR: gray; FONT-SIZE: 9pt">1255 Crescent Green, Suite 350 | Cary, NC 27518 | </span></p>
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<p class="MsoNormal"><span style="LAYOUT-GRID-MODE: line; COLOR: gray; FONT-SIZE: 9pt">Email: </span><a href="mailto:daniel.deese@crbusa.com" target="_blank"><span style="COLOR: gray; FONT-SIZE: 9pt">daniel.deese@crbusa.com</span></a><span style="COLOR: gray; FONT-SIZE: 9pt"> </span></p>
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