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<p class="MsoNormal">It does make sense!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In support of the limits for my brain’s memory capacity, I like to insert that sort of algebra to distribute your input assumptions into the fields as a local expression to retain the logic for me in lieu of separate development notes outside
the model.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">~Nick<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-family:"Arial",sans-serif;color:#3A7A46">Nick Caton, P.E., BEMP</span></b><span style="color:#3A7A46"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469"> Senior Energy Engineer</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469"> Regional Energy Engineering Manager<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469"> Energy and Sustainability Services</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469"> Schneider Electric</span><span style="color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#57B069">D </span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469">913.564.6361
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#57B069">M </span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469">785.410.3317
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#57B069">F </span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469">913.564.6380</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#57B069">E </span><span style="color:#1F497D"><a href="mailto:nicholas.caton@schneider-electric.com"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469">nicholas.caton@schneider-electric.com</span></a><o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469">15200 Santa Fe Trail Drive<br>
Suite 204<br>
Lenexa, KS 66219<br>
United States</span><span style="color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Jing Hong <hongjing.shirley@gmail.com> <br>
<b>Sent:</b> Thursday, December 20, 2018 11:25 AM<br>
<b>To:</b> Nicholas Caton <Nicholas.Caton@schneider-electric.com><br>
<b>Cc:</b> Paul Diglio <paul.diglio@sbcglobal.net>; equest-users@onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Equipment Load<o:p></o:p></p>
</div>
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<p class="MsoNormal"><o:p> </o:p></p>
<p><span style="color:red">[External email: Use caution with links and attachments]</span><o:p></o:p></p>
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<p class="MsoNormal">Thank you Nick. Yes, after trying different ways, I realized that fill “ Input Power” is better than per area. I assumed 20% of the input power would be converted to heat gain. And 80% for sensible, 20% for latent. In that case, the fraction
I filled in the eQuest was 0.16 for sensible HG and 0.04 for Latent HG. Does that make sense?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Jing<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Dec 19, 2018 at 10:09 PM Nicholas Caton <<a href="mailto:Nicholas.Caton@schneider-electric.com">Nicholas.Caton@schneider-electric.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Great thread!<br>
<br>
@Jing: You definitely have some options in terms of how you use the inputs to account for installed vs. "thermally incident on the space" energy. I personally prefer to use the "Input Power" field to represent the maximum "installed" watts/gas input, then
use the "fraction to space" to capture how much isn't carried away by the hood(s). From there, the associated fractional schedule(s) will dictate both what is seen over time at the meter and in the space.<br>
<br>
@All: The COMnet appendix C schedules don't appear at my first glance to expressly cover kitchen equipment profiles, but rather appear to "dodge" the issue with the statement for refrigeration/gas equip of "COMNET defaults are based on continuous operation."
Perhaps digging into those defaults might reveal some effective FLE hours of operation for a given kitchen? Another avenue may be to research whatever current operational schedule guidance might via Fisher-Nickel (Fishnick) for LEED prescriptive measures
- resources I believe are linked from here: <a href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffishnick.com%2Fdesign%2Fresources%2Fleed%2F&data=02%7C01%7CNicholas.Caton%40schneider-electric.com%7Ca014a794b4a6431914e608d666a01e28%7C6e51e1adc54b4b39b5980ffe9ae68fef%7C0%7C0%7C636809235216612795&sdata=3fLLR4roRf9sI96wATsV1ailuOlCc9fWpfg22qWuwv8%3D&reserved=0" target="_blank">
https://fishnick.com/design/resources/leed/</a><br>
<br>
~Nick<br>
<br>
Nick Caton, P.E., BEMP<br>
Senior Energy Engineer<br>
Regional Energy Engineering Manager<br>
Energy and Sustainability Services<br>
Schneider Electric<br>
D 913.564.6361 <br>
M 785.410.3317 <br>
F 913.564.6380<br>
E <a href="mailto:nicholas.caton@schneider-electric.com" target="_blank">nicholas.caton@schneider-electric.com</a><br>
15200 Santa Fe Trail Drive<br>
Suite 204<br>
Lenexa, KS 66219<br>
United States<br>
<br>
<br>
<br>
-----Original Message-----<br>
From: Equest-users <<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>> On Behalf Of Paul Diglio via Equest-users<br>
Sent: Tuesday, December 18, 2018 8:51 AM<br>
To: Paul Diglio <<a href="mailto:paul.diglio@sbcglobal.net" target="_blank">paul.diglio@sbcglobal.net</a>>; Jing Hong <<a href="mailto:hongjing.shirley@gmail.com" target="_blank">hongjing.shirley@gmail.com</a>><br>
Cc: <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>;
<a href="mailto:equest-users@onebuilding.org" target="_blank">equest-users@onebuilding.org</a><br>
Subject: Re: [Equest-users] Equipment Load<br>
<br>
[External email: Use caution with links and attachments]<br>
<br>
________________________________<br>
<br>
<br>
<br>
Hi Jing:<br>
<br>
Yes, as long as you have documentation to back up your estimate, I would use 20% of the electrical and gas energy as being rejected in the space. The tables look good to me. I don't know what your schedule looks like. Attached is the COMnet schedules that
are usually accepted by the rating authorities.<br>
<br>
Paul Diglio<br>
87 Fairmont Avenue<br>
New Haven, CT 06513<br>
<br>
<br>
<br>
--------------------------------------------<br>
On Tue, 12/18/18, Jing Hong <<a href="mailto:hongjing.shirley@gmail.com" target="_blank">hongjing.shirley@gmail.com</a>> wrote:<br>
<br>
Subject: Re: [Equest-users] Equipment Load<br>
To: "Paul Diglio" <<a href="mailto:paul.diglio@sbcglobal.net" target="_blank">paul.diglio@sbcglobal.net</a>><br>
Cc: <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>,
<a href="mailto:equest-users@onebuilding.org" target="_blank">equest-users@onebuilding.org</a>,
<a href="mailto:equestuser00@gmail.com" target="_blank">equestuser00@gmail.com</a><br>
Date: Tuesday, December 18, 2018, 9:29 AM<br>
<br>
Hi<br>
Paul,<br>
For our cases, we<br>
estimated 80-ish% of the heat will go right up to the exhaust hood. So should I fill the equipment and internal energy energy sources with the number before the 80% reduction or after? For example, I have 10 W/sqft electricity cookers and 100,000 Btu/hr
gas cookers in the kitchen, do I fill the tables below correctly?<br>
<br>
<br>
On Tue, Dec<br>
18, 2018 at 6:38 AM Paul Diglio <<a href="mailto:paul.diglio@sbcglobal.net" target="_blank">paul.diglio@sbcglobal.net</a>><br>
wrote:<br>
Jing:<br>
<br>
<br>
<br>
Usually there is an exhaust hood with makeup air in the kitchen. If this is true, then you need to estimate how much heat is actually transmitted to the space compared to how much heat is expelled through the hood. This should lower your cooling load.<br>
<br>
<br>
<br>
Paul Diglio<br>
<br>
87 Fairmont Avenue<br>
<br>
New Haven, CT 06513<br>
<br>
<br>
<br>
<br>
<br>
--------------------------------------------<br>
<br>
On Mon, 12/17/18, Jing Hong via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>><br>
wrote:<br>
<br>
<br>
<br>
Subject: [Equest-users] Equipment Load<br>
<br>
To: <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>,<br>
<a href="mailto:equest-users@onebuilding.org" target="_blank">equest-users@onebuilding.org</a>,<br>
<a href="mailto:equestuser00@gmail.com" target="_blank">equestuser00@gmail.com</a><br>
<br>
Date: Monday, December 17, 2018, 7:37 PM<br>
<br>
<br>
<br>
Dear<br>
<br>
All,<br>
<br>
I have a question regarding<br>
<br>
the internal load.<br>
<br>
Under the Equipment tab of<br>
<br>
the internal load, there are two tables. One is Equipment<br>
<br>
and another is Internal Energy Sources. For my project with<br>
<br>
a kitchen serving 5 hours daily, how to input the power?<br>
<br>
For example, based on the specification sheets, we have<br>
<br>
26.5 W/sqft input power density for electricity, and<br>
<br>
474,000 Btu/hr for gas equipment. However, it will make the<br>
<br>
cooling load so huge for cooling<br>
<br>
systems. Does anyone know<br>
<br>
how eQuest convert energy input to cooling load? Did I fill<br>
<br>
the tables right?<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
Thank<br>
you!Jing_______________________________________________<br>
<br>
Equest-users mailing list<br>
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