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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Nick,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Such a coincidence :) I’m pretty sure Scott helped out my coworker Ken with a few items when he was working on the model I described below. Jeff and Scott
are more than welcome to correct me if my memory is incorrect on any of this.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Here’s the research I did over lunch trying to keep myself sane on where the low-limit on zone temps came from. If you look at the keywords, the DESIGN-COOL-T
keyword has a range of 0-90 and will error on either side of that number, but the MIN_SUPPLY_T keyword has a range of 35-70 and the COOL-SET-T keyword has a range of 45-70. So effectively, the system will not be allowed to go below a cold deck leaving temperature
of 45F. This will probably make it difficult to use for modeling the “cold” zones of the penguin exhibit but likely okay for the “cool” zones (Key part for Scott and Jeff to confirm).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The refrigeration model can handle packaged refrigeration equipment that can deal with the colder temperatures. The range you noted of 46-48 is pretty similar
to the temperatures used in food processing and storage for “cooler” spaces as opposed to “freezer” spaces. That said, you would not be able to model a ground-source system in the refrigeration model, unless you find some really creative work-around that
escaped us or wasn’t available when we were doing our complicated model.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">What we did to help mesh the models was to “fake” the portion of each model that wouldn’t work 100%, created a common “back-of-house” portion of the model that
was the same in both, then used the strengths of each version of eQuest to model the respective spaces. So in this case, you would end up with two separate models (and their respective baselines if you’re ultimately using it for LEED or need to compare it
to something):<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">eQuest-Standard Model: back-of-house as designed, “cool” spaces as designed, “cold” spaces faked as close as possible to represent the cold temperatures<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">eQuest-Refrigeration Model: back-of-house as designed, “cool” spaces faked to maintain temperatures without regard for system/energy, “cold” spaces
as designed<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">As long as you meter everything out separately, your final energy use is the sum of the “cold” space meters from the eQuestR model, the “cool” spaces from the
eQuest model, then we used the highest of the two back-of-house results to be conservative (there were minor differences that we didn’t have enough time to ferret out the entire cause).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You can see why, with a huge amount of respect and thanks to Scott, Jeff, et.al…I’d almost rather put the time into learning the extra tool for my tool belt
than try to do this again the same way :) I’d be curious to know if there have been any major changes to the Refrigeration model since then that might streamline the process we used?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:#1F497D">Jeremy R. Poling, PE, LEED AP+BDC</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
<br>
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Nick Caton [mailto:ncaton@smithboucher.com]
<br>
<b>Sent:</b> Monday, January 30, 2012 2:30 PM<br>
<b>To:</b> Jeremy Poling; Ömer Moltay; equest-users@lists.onebuilding.org<br>
<b>Cc:</b> Jeff.Hirsch@DOE2.com; Scott Criswell<br>
<b>Subject:</b> RE: [Equest-users] Factory Building with Refrigeration<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hey Jeremy!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Saw this post today and what weird timing… I have another unique/interesting scenario for a project on the horizon your advice/experience seems perfect for:
A penguin exhibit for the local zoo!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Will have multiple zones targeting 46-48F. This model is primarily to explore different options with regard to just what equipment really makes sense from
the outset and over the long term – a ground source wellfield is on the table as a definite option, and I gather our design team is very open to using entirely separate systems for the “cool” (68-70) vs. “cold” (46-48) zones.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Do you think design temps in the mid-high 40’s might still crunch out alright with the regular eQuest version? I’m really not sure what to expect in the way
of system options to be tossed at me, but it would help to have a solid understanding of the limitations moving forward… I think I’d prefer to stick with the tools I’m most familiar with if they remain feasible for the task at hand.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Jeff/Scott: Copying you gurus per Jeremy’s advice – any thoughts?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks fellas!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">~Nick<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><img width="119" height="37" id="Picture_x0020_1" src="cid:image001.jpg@01CCDF5E.92F6F600" alt="cid:489575314@22072009-0ABB"></span><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-family:"Stylus BT","sans-serif";color:#2D4D5E">NICK CATON, P.E.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900">SENIOR ENGINEER<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">Smith & Boucher Engineers</span><span style="font-size:7.5pt;color:#CC9900"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">25501 west valley parkway, suite 200<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">olathe, ks 66061<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">direct 913.344.0036<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">fax 913.345.0617<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span style="font-size:10.0pt">www.smithboucher.com</span></a></span><u><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue">
</span></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Jeremy Poling<br>
<b>Sent:</b> Monday, January 30, 2012 9:01 AM<br>
<b>To:</b> Ömer Moltay; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Factory Building with Refrigeration<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The refrigeration version would allow the space temperatures typical of an ice cream factory. I can’t remember the exact temperature, but you cannot model
a space in the regular version of eQuest too much below 50-degrees-F. Also, I haven’t seen many industrial ammonia absorbers but ammonia is a common low-temperature refrigerant. The refrigeration version has the components typical to a refrigeration plant
(separate compressors, evaporators, and condensers) while the standard version would have to be forced into modeling it and certain components might not even be able to do that.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The refrigeration version is very powerful and I’ve used it on projects before, but it is a little bit more raw than the standard version. We had a complex
project that required both ground-source heat pumps and refrigeration and unfortunately couldn’t use just one version of eQuest to model the building, which made for an interesting process.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I have nothing against eQuest and we ended up with a solid model due partly to the software, but if I had to do such a complex model over again I would probably
pick TRNSYS instead just due to the flexibility to build in multiple unique components. If your model is more of a standard refrigeration system, though, the refrigeration version of eQuest should be fine. I’d recommend getting in touch with the James Hirsch
team for assistance if needed since the experience on the lists tends to be thinner on this topic. They were very helpful to us when we used the software.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:#1F497D">Jeremy R. Poling, PE, LEED AP+BDC</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Ömer Moltay<br>
<b>Sent:</b> Monday, January 30, 2012 8:27 AM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] Factory Building with Refrigeration<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dear All,<br>
<br>
We are faced with an ice cream factory where all the production spaces and finished product warehouse spaces are cooled with ammonia absorption chillers. We are trying to understand if there is any need to use the eQuest Refrigeration version? What are the
advantages of this over the standard eQuest releases? As far as I know, the standard version can also model absorption chillers. In which cases does it make sense to use the Refrigeration version? What are your recommendations on how to approach modeling this
building?<br>
<br>
Thank you,<br>
<br>
Omer Moltay, LEED AP BD+C, BREEAM Assessor <br>
Mimta Ltd. <br>
Hekimsuyu Cad. 559. Sk. No:39 <br>
34255 Kucukkoy Istanbul Turkey <br>
Tel: 90-212-617-2296 <br>
Fax: 90-212-617-2297 <br>
<a href="http://www.mimtarch.com" target="_blank">www.mimtarch.com</a> <br>
<a href="http://www.eko-yapi.net" target="_blank">www.eko-yapi.net</a> <br>
<a href="http://www.mimtasolar.com" target="_blank">www.mimtasolar.com</a> <br>
<a href="http://www.servogas.com" target="_blank">www.servogas.com</a> <o:p></o:p></p>
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