Dear Users,<div>Do you have any way in which edited weather data can be converted back into NCDC fomat so that the doe processor can be run to convert it to .bin formnat ? Please help .!!</div><div><br></div><div>Yashika<br>
<br><div class="gmail_quote">On Sun, Apr 24, 2011 at 2:02 AM, <span dir="ltr"><<a href="mailto:equest-users-request@lists.onebuilding.org">equest-users-request@lists.onebuilding.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<br>Today's Topics:<br>
<br>
1. Re: Chillers in Series inputs (Anthony Hardman)<br>
2. The DES Dilemma (Arpan Bakshi)<br>
3. Help Wanted (Darren Smith)<br>
4. Re: The DES Dilemma (Kelsey VanTassel)<br>
5. Re: The DES Dilemma (Arpan Bakshi)<br>
6. method to input the window overhangs (kirti pabrekar)<br>
7. Parametric runs in EQuest (Jaya Mukhopadhyay)<br>
8. Re: Chillers in Series inputs (Pasha Korber-Gonzalez)<br>
<br><br>---------- Forwarded message ----------<br>From: "Anthony Hardman" <Anthony@GreenEngineer.com><br>To: "'Pasha Korber-Gonzalez'" <<a href="mailto:pasha.pkconsulting@gmail.com">pasha.pkconsulting@gmail.com</a>><br>
Date: Fri, 22 Apr 2011 14:55:02 -0600<br>Subject: Re: [Equest-users] Chillers in Series inputs<br><div lang="EN-US" link="blue" vlink="purple"><div><h5><span style="font-size:11.0pt;color:#1F497D;font-weight:normal">The keyword</span><span style="font-size:11.0pt;color:#1F497D"> “SERIES-SETPT-RAT</span><span style="font-size:11.0pt;color:#1F497D;font-weight:normal">“ to setup chillers in series is still listed as future in the help files. </span></h5>
<h5><span style="font-size:11.0pt;color:#1F497D;font-weight:normal">Could that be why you’re running into trouble? </span></h5><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D"> </span></b></p><p class="MsoNormal">
<b><span style="font-size:11.0pt;color:#0F243E">Anthony Hardman, PE</span></b></p><p class="MsoNormal"><b><span style="font-size:9.0pt;color:#0F243E">LEED AP BD&C</span></b><b><span style="font-size:11.0pt;color:#0F243E"></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E">Building Performance Analyst</span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E"> </span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#00B050">THE GREEN ENGINEER, LLP</span></b><b><span style="font-size:11.0pt;color:#00B050"></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;color:#00B050">Sustainable Design Consulting – Energy Modeling – LEED Project Management </span></b><span style="font-size:11.0pt;color:#1F497D"></span></p><p class="MsoNormal">
<span style="font-size:10.0pt;color:#0F243E">50 Beharrell St</span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E">Concord, MA 01742</span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E">O: 978/610-2801</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E">C: 720/840-7862</span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E"><a href="http://www.GreenEngineer.com" target="_blank"><span style="color:#0F243E;text-decoration:none">www.GreenEngineer.com</span></a></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E"><a href="http://www.linkedin.com/in/ahardman81" target="_blank">www.linkedin.com/in/ahardman81</a></span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E"><a href="http://twitter.com/#!/a_Hardman" target="_blank">http://twitter.com/#!/a_Hardman</a></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#0F243E"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p><p class="MsoNormal"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> <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>Pasha Korber-Gonzalez<br>
<b>Sent:</b> Friday, April 22, 2011 2:04 PM<br><b>To:</b> James Hansen<br><b>Cc:</b> eQUEST Users List; Arunabha Sau<br><b>Subject:</b> Re: [Equest-users] Chillers in Series inputs</span></p><p class="MsoNormal"> </p><div>
<div><p class="MsoNormal">Thanks Rob & James for your prompt input to my dilemma....after I sent the email to the list, I went back in my plants to try and make sense why the secondary wasn't seeing a load--so for a random test I switched the assignement of the two chillers (just reversed which loops they are on.) and then ran the sim without errors. That was the good news. I don't have my head around the logic of why that worked on the first try, but maybe I was having some dislexia-input moments and spec'd my chiller conditions backwards (i.e. high chiller & low chiller in the series).</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Since it has ran I noticed an immediate reduction in chiller energy use, but I haven't yet verified if the reduction is realistic and if there are any other QC error type things to verify that this approach is indeed modeling the chiller temps in series. I don't think I will mess with custom chiller curves at this point because this project model is only SD. Therefore I won't be held to any compliance reviews and strict performance results...at least not at this point in time.</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I'll try to send feedback when I can verify that this is a valid input option for chillers in series, or if it holds no water at all...</p></div><div>
<p class="MsoNormal"> </p></div><div><p class="MsoNormal">Cheers,</p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt">Pasha</p></div><div><p class="MsoNormal">On Fri, Apr 22, 2011 at 12:18 PM, James Hansen <<a href="mailto:JHANSEN@ghtltd.com" target="_blank">JHANSEN@ghtltd.com</a>> wrote:</p>
<div><div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Most manufacturers will give you a “single chiller” performance curve for the two chillers in series. I typically just make custom chiller curves to represent series chillers as a single chiller. If a designer creates valving that allows water to NOT have to flow through both chillers during low load operation, this gets a little tricky, and I end up averaging the delta P across the chillers to represent partial operation thru both chillers and partial operation thru a single chiller. No easy way to do this.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:teal">GHT Limited<br></span></b><b><span style="font-size:11.0pt;color:black">James Hansen, PE, LEED AP</span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:black">Senior Associate</span></b></p><p class="MsoNormal"><span style="font-size:7.5pt;color:black">1010 N. Glebe Rd, Suite 200</span></p><p class="MsoNormal"><span style="font-size:7.5pt;color:black">Arlington, VA 22201-4749</span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;color:black"><a href="tel:703-338-5754" target="_blank">703-338-5754</a> (Cell)</span></p><p class="MsoNormal"><span style="font-size:7.5pt;color:black"><a href="tel:703-243-1200" target="_blank">703-243-1200</a> (Office)</span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;color:#31849B"> </span></b></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p><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">From:</span></b><span style="font-size:10.0pt"> <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>Rob Hudson<br>
<b>Sent:</b> Friday, April 22, 2011 2:15 PM<br><b>To:</b> Pasha Korber-Gonzalez<br><b>Cc:</b> eQUEST Users List; Arunabha Sau<br><b>Subject:</b> Re: [Equest-users] Chillers in Series inputs</span></p></div><div><div><p class="MsoNormal">
</p><p class="MsoNormal">I won't claim that this is correct whatsoever, but briefly looking at your set up, it is clear that the water isn't pulling extra load from the second chiller. I think you may want to set up a single chiller because I don't see a way to get the water to go through both chillers. You could also create your own custom curves so that you match the combined performance of the modeled chiller.</p>
<div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Just a thought.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt">Rob</p><div><p class="MsoNormal">On Fri, Apr 22, 2011 at 1:55 PM, Pasha Korber-Gonzalez <<a href="mailto:pasha.pkconsulting@gmail.com" target="_blank">pasha.pkconsulting@gmail.com</a>> wrote:</p>
<div><div><p class="MsoNormal">Hi,</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I could use some guidance to make sure I'm assuming the correct inputs to set up chillers in series. This is the first time I'm trying to model this and I have it set up with a primary & secondary loop for a total delta T of 16 across 2 chillers. I'm getting a run error of the secondary loop having NO DESIGN FLOW/LOAD, but I'm not sure how to show that load on the secondary loop.....maybe I have the chillers listed backwards???</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Can anyone take a quick look at the setup in the Plant Module and let me know what I am missing on this? I couldn't find any info on chillers in series in the DOE-2 docs to guide me on the correct inputs and setup.</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">.pd2 & inp files attached.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Thanks in advance for your keen eye and guidance on my model.</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"><span style="color:#888888">Pasha</span></p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>_______________________________________________<br>
Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a></p>
</div><p class="MsoNormal"><br><br><br>-- <br>Rob Hudson</p></div></div></div></div></div></div><p class="MsoNormal"> </p></div></div></div><br><br>---------- Forwarded message ----------<br>From: Arpan Bakshi <<a href="mailto:arpanbakshi@gmail.com">arpanbakshi@gmail.com</a>><br>
To: equest-users <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>><br>Date: Fri, 22 Apr 2011 17:00:46 -0400<br>Subject: [Equest-users] The DES Dilemma<br>
<p style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif" class="MsoNormal"><font size="2">PROJECT BACKGROUND</font></p>
<p style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif" class="MsoNormal"><font size="2"><b>Building Area</b></font> <font size="2"><br>
Less than 25,000 SF<br><br><b>Proposed Design</b></font>
<font size="2"><br>
TDV, DOAS, Supplemental Radiant Heating/Cooling<br><br><b>Heating and Cooling Generation</b></font>
<font size="2"><br>
University District Heating and Cooling<br><br><b><br>
</b>THE DES DILEMMA</font>
<font size="2"><br>
Reference – Treatment of District or Campus Thermal Energy in LEED V2 and LEED
2009 – Design & Construction<br><br><br><b>Option 1 (Building stand-alone scenario)<br>
</b><br>
The downstream equipment of both baseline and proposed models cannot be easily
isolated by tying chilled and heating hot water loops to meters since the
baseline building is System 3, and does not use water-side systems.</font>
<font size="2">Neither can proposed model systems be replaced by “4-pipe CV AHU” per DES Table
3 (is that a typo?) since the downstream radiant systems need a water-side
source of heating and cooling in the model.</font>
<font size="2"><br><br><br><b>Option 2 (Model for Aggregate Building /
DES Scenario)</b></font>
<font size="2"><br><br>
This option has a points floor of 6 for LEED NC v2009. We do not anticipate a
maximum of 1-3 points due to envelope design inefficiencies. Therefore this
project would not qualify for Option 2.</font>
<font size="2"><br><br>
ANY THOUGHTS?</font>
<font size="2"><br><br>
I’m tempted to model System 7 heating and cooling plants for both baseline and
proposed models and call it even, cost-neutral. What would you suggest?</font>
</p>
<font style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif" size="2">-- <br></font><div style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif"><font size="2"><br></font></div><div style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif">
<font size="2"><b><br></b></font></div><div style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif"><font size="2"><b><p>Arpan Bakshi<span style="border-collapse:collapse;font-weight:normal"></span><b style="font-weight:normal"><span style="border-collapse:collapse;font-weight:normal"><i> </i>LEED AP BD+C</span></b><span style="font-weight:normal"></span></p>
</b></font></div><font style="color:rgb(0, 0, 0);font-family:arial,helvetica,sans-serif" size="2"><br></font>
<br><br>---------- Forwarded message ----------<br>From: Darren Smith <<a href="mailto:dsmith@willdan.com">dsmith@willdan.com</a>><br>To: "'<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>'" <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>><br>
Date: Fri, 22 Apr 2011 14:24:34 -0700<br>Subject: [Equest-users] Help Wanted<br>
<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal">We have an immediate need for experienced eQuest 3.6x modelers.
Our focus is on existing buildings and finding energy saving opportunities.
We offer competitive salaries and a lower stress level than most design
firms. Creativity in finding energy efficiency measures is encouraged.
If you are interested in a full time position at one of our two California
offices, Monrovia and Dublin, please contact Laura Cadena or myself. </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:10.0pt"><b><span style="font-size:10.0pt;color:gray">Darren
Smith, P.E., LEED AP</span></b><span style="font-size:8.0pt;color:gray"><br>
Senior Engineer</span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;line-height:10.0pt"><span style="font-size:8.0pt;color:gray"><img width="264" height="48" alt="Willdan-logo"><b></b></span></p>
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<p class="MsoNormal" style="line-height:10.0pt"><span style="font-size:8.0pt;color:gray">101 East Huntington Drive, Suite
110</span><span style="font-size:8.0pt;color:gray"></span></p>
<p class="MsoNormal" style="line-height:10.0pt"><span style="font-size:8.0pt;color:gray">Monrovia, California 91016<br>
T. 626.256.0526 & x1747</span></p>
<p class="MsoNormal" style="line-height:10.0pt"><span style="font-size:8.0pt;color:gray">Direct. 626.305.6947</span></p>
<p class="MsoNormal" style="line-height:10.0pt"><span style="font-size:8.0pt;color:gray">F. 626.256.0525</span></p>
<p class="MsoNormal" style="line-height:10.0pt"><span style="font-size:8.0pt;color:gray">Email: </span><a href="mailto:cnzewi@willdan.com" target="_blank"><span style="font-size:8.0pt;color:blue">dsmith@willdan.com</span></a><span style="font-size:8.0pt;color:gray"></span></p>
<p class="MsoNormal"><a href="http://www.willdan.com/" target="_blank"><span style="font-size:8.0pt;color:blue">www.willdan.com</span></a><span style="font-size:8.0pt;color:gray"></span></p>
<p class="MsoNormal"> </p>
</div>
</div>
<br><br>---------- Forwarded message ----------<br>From: Kelsey VanTassel <<a href="mailto:KVanTassel@sustaineng.com">KVanTassel@sustaineng.com</a>><br>To: Arpan Bakshi <<a href="mailto:arpanbakshi@gmail.com">arpanbakshi@gmail.com</a>>, equest-users <<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a>><br>
Date: Fri, 22 Apr 2011 17:30:51 -0500<br>Subject: Re: [Equest-users] The DES Dilemma<br><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="color:#1F497D">I don’t understand. Why can’t you follow Option 1?</span></p>
<p class="MsoNormal"><span style="color:#1F497D">Without DES, your baseline system would normally be System 3—PSZ w/furnace and DX, right? Since your proposed design uses district heating and cooling, the baseline System 3 is changed to 4-pipe CV AHU. The DES procedure does not change your proposed systems.</span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><b><span style="font-size:10.0pt;color:black">Kelsey Van Tassel</span></b><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></b></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">Mechanical Engineer | <a href="mailto:kvantassel@sustaineng.com" target="_blank"><span style="color:blue">kvantassel@sustaineng.com</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">608.836.4488 ext. 20 | Fax: 608.836.4477</span><span style="font-size:10.0pt;color:black"></span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"> </span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<span style="font-size:10.0pt;color:black">Sustainable Engineering Group</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<span style="font-size:10.0pt;color:black">901 Deming Way, Suite 201</span><span style="font-size:10.0pt;color:black"></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">Madison, WI 53717</span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black"><a href="http://www.sustaineng.com/" target="_blank"><span style="color:blue">www.sustaineng.com</span></a></span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"> </span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> <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>Arpan Bakshi<br>
<b>Sent:</b> Friday, April 22, 2011 4:01 PM<br><b>To:</b> equest-users<br><b>Subject:</b> [Equest-users] The DES Dilemma</span></p></div><p class="MsoNormal"> </p><p class="MsoNormal"><span style="font-size:10.0pt;line-height:115%;color:black">PROJECT BACKGROUND</span><span style="color:black"></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;line-height:115%;color:black">Building Area</span></b><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>Less than 25,000 SF<br>
<br><b>Proposed Design</b></span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>TDV, DOAS, Supplemental Radiant Heating/Cooling<br><br><b>Heating and Cooling Generation</b></span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>
University District Heating and Cooling<br><br><b><br></b>THE DES DILEMMA</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>Reference – Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction<br>
<br><br><b>Option 1 (Building stand-alone scenario)<br></b><br>The downstream equipment of both baseline and proposed models cannot be easily isolated by tying chilled and heating hot water loops to meters since the baseline building is System 3, and does not use water-side systems.</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black">Neither can proposed model systems be replaced by “4-pipe CV AHU” per DES Table 3 (is that a typo?) since the downstream radiant systems need a water-side source of heating and cooling in the model.</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>
<br><br><b>Option 2 (Model for Aggregate Building / DES Scenario)</b></span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br><br>This option has a points floor of 6 for LEED NC v2009. We do not anticipate a maximum of 1-3 points due to envelope design inefficiencies. Therefore this project would not qualify for Option 2.</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>
<br>ANY THOUGHTS?</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br><br>I’m tempted to model System 7 heating and cooling plants for both baseline and proposed models and call it even, cost-neutral. What would you suggest?</span><span style="color:black"> </span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">-- </span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""></span></p>
<div><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;color:black"> </span></p></div><div><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<span style="font-size:12.0pt;color:black"> </span></p></div><div><p><b><span style="font-size:10.0pt;color:black">Arpan Bakshi</span></b><i><span style="font-size:10.0pt;color:black"> </span></i><span style="font-size:10.0pt;color:black">LEED AP BD+C<b></b></span></p>
</div><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> </span></p></div></div><br><br>---------- Forwarded message ----------<br>
From: Arpan Bakshi <<a href="mailto:arpanbakshi@gmail.com">arpanbakshi@gmail.com</a>><br>To: Kelsey VanTassel <<a href="mailto:KVanTassel@sustaineng.com">KVanTassel@sustaineng.com</a>><br>Date: Fri, 22 Apr 2011 20:18:08 -0400<br>
Subject: Re: [Equest-users] The DES Dilemma<br><div bgcolor="#FFFFFF"><div>According to Table 3 the proposed system changes to 4-pipe CV AHU for a System 3 baseline if the project has both district heating and cooling, w<span>hich would not work w/ taking credit for the downstream HVAC strategies in the proposed building.</span></div>
<div><br><br><div><span><br></span></div><div><span><span>Arpan Bakshi, LEED AP BD+C</span></span></div><div><span>YRG sustainability</span></div></div><div><br>On Apr 22, 2011, at 6:30 PM, Kelsey VanTassel <<a href="mailto:KVanTassel@sustaineng.com" target="_blank">KVanTassel@sustaineng.com</a>> wrote:<br>
<br></div><div></div><blockquote type="cite"><div><div><p class="MsoNormal"><span style="color:#1F497D">I don’t understand. Why can’t you follow Option 1?</span></p><p class="MsoNormal"><span style="color:#1F497D">Without DES, your baseline system would normally be System 3—PSZ w/furnace and DX, right? Since your proposed design uses district heating and cooling, the baseline System 3 is changed to 4-pipe CV AHU. The DES procedure does not change your proposed systems.</span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><b><span style="font-size:10.0pt;color:black">Kelsey Van Tassel</span></b><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></b></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">Mechanical Engineer | <a href="mailto:kvantassel@sustaineng.com" target="_blank"><span style="color:blue">kvantassel@sustaineng.com</span></a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">608.836.4488 ext. 20 | Fax: 608.836.4477</span><span style="font-size:10.0pt;color:black"></span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"> </span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<span style="font-size:10.0pt;color:black">Sustainable Engineering Group</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<span style="font-size:10.0pt;color:black">901 Deming Way, Suite 201</span><span style="font-size:10.0pt;color:black"></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">Madison, WI 53717</span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black"><a href="http://www.sustaineng.com/" target="_blank"><span style="color:blue">www.sustaineng.com</span></a></span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"> </span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#000066"></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> <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>Arpan Bakshi<br>
<b>Sent:</b> Friday, April 22, 2011 4:01 PM<br><b>To:</b> equest-users<br><b>Subject:</b> [Equest-users] The DES Dilemma</span></p></div><p class="MsoNormal"> </p><p class="MsoNormal"><span style="font-size:10.0pt;line-height:115%;color:black">PROJECT BACKGROUND</span><span style="color:black"></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;line-height:115%;color:black">Building Area</span></b><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>Less than 25,000 SF<br>
<br><b>Proposed Design</b></span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>TDV, DOAS, Supplemental Radiant Heating/Cooling<br><br><b>Heating and Cooling Generation</b></span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>
University District Heating and Cooling<br><br><b><br></b>THE DES DILEMMA</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>Reference – Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction<br>
<br><br><b>Option 1 (Building stand-alone scenario)<br></b><br>The downstream equipment of both baseline and proposed models cannot be easily isolated by tying chilled and heating hot water loops to meters since the baseline building is System 3, and does not use water-side systems.</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black">Neither can proposed model systems be replaced by “4-pipe CV AHU” per DES Table 3 (is that a typo?) since the downstream radiant systems need a water-side source of heating and cooling in the model.</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>
<br><br><b>Option 2 (Model for Aggregate Building / DES Scenario)</b></span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br><br>This option has a points floor of 6 for LEED NC v2009. We do not anticipate a maximum of 1-3 points due to envelope design inefficiencies. Therefore this project would not qualify for Option 2.</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br>
<br>ANY THOUGHTS?</span><span style="color:black"> </span><span style="font-size:10.0pt;line-height:115%;color:black"><br><br>I’m tempted to model System 7 heating and cooling plants for both baseline and proposed models and call it even, cost-neutral. What would you suggest?</span><span style="color:black"> </span></p>
<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10.0pt;color:black">-- </span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""></span></p>
<div><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;color:black"> </span></p></div><div><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal">
<span style="font-size:12.0pt;color:black"> </span></p></div><div><p><b><span style="font-size:10.0pt;color:black">Arpan Bakshi</span></b><i><span style="font-size:10.0pt;color:black"> </span></i><span style="font-size:10.0pt;color:black">LEED AP BD+C<b></b></span></p>
</div><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> </span></p></div></div></blockquote></div>
<br><br>---------- Forwarded message ----------<br>From: kirti pabrekar <<a href="mailto:arkirtipabrekar@gmail.com">arkirtipabrekar@gmail.com</a>><br>To: <a href="mailto:equest-users-request@lists.onebuilding.org">equest-users-request@lists.onebuilding.org</a>, <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
Date: Sat, 23 Apr 2011 21:02:53 +0530<br>Subject: [Equest-users] method to input the window overhangs<br><p class="MsoNormal">Hi fellow equesters, </p><p class="MsoNormal"><br></p>
<p class="MsoNormal">Is there any significance of the way of assigning overhangs
and vertical fins to the windows in eQUEST?</p><p class="MsoNormal"><br></p>
<p class="MsoNormal">In a project of mine, I have horizontal projections that are
very deep and continous on the façade. For ease of assigning overhangs, I put
the OA value and the corresponding OW value to only one window. The 3D model looks
as the real building would look. However the simulation results show difference
when I assign the OA and OW values respectively to each window on that façade. In
this case too, the 3D model looks same as the one before. Also while assigning the
overhangs to the window, we do not provide the material specifications to them.
Is there any way we can assign the materials to the overhangs of the window or
does it have any significance to our simulation results. I feel, in this case, there
shall be significant amount of radiant heat generated due to these deep overhangs, I would like to know,
does eQUEST consider the radiant heat and its impact on the space cooling
loads. </p><p class="MsoNormal"><br></p>
<p class="MsoNormal">Secondly, does eQUEST consider the impact of solar radiation
on the height of the building? If we apply floor multipliers to the model
through the wizard mode, we see the 3D that is a direct understanding of the
building height. However, when floor multipliers are applied as a parametric
run to the simulation, the results do not seem to match. I have assured that
the other related input parameters are same in both the cases. Any takes on this?</p><p class="MsoNormal"><br></p>
<p class="MsoNormal">Any help / suggestion is deeply appreciated. </p><p class="MsoNormal"><br></p>
<p class="MsoNormal">Thank you.</p>
<p class="MsoNormal"> </p>-- <br><div>Regards,<br>Ar. Kirti Pramod Pabrekar.</div>
<div>IGBC AP, LEED India, <br>M. Arch,<br>Environmental Planning and Design.<br></div>
<div> </div>
<div><em>...Green is a commitment...not a competition...</em></div><br>
<br><br>---------- Forwarded message ----------<br>From: Jaya Mukhopadhyay <<a href="mailto:jaya_mukho@yahoo.com">jaya_mukho@yahoo.com</a>><br>To: <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
Date: Sat, 23 Apr 2011 10:15:25 -0700 (PDT)<br>Subject: [Equest-users] Parametric runs in EQuest<br><div><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>I have made 12 parametric runs in EQuest-Refrigeration. The program crashes after the 3rd run, although the run doesnt crash when executed individually. I have to do 90 such runs so the parametric option (if it works) would be extremely convenient.<br>
Can anybody advise me as to what to do?<br>Thanks<br>Jaya<br></div>
</div></div><br><br>---------- Forwarded message ----------<br>From: Pasha Korber-Gonzalez <<a href="mailto:pasha.pkconsulting@gmail.com">pasha.pkconsulting@gmail.com</a>><br>To: Anthony Hardman <<a href="mailto:Anthony@greenengineer.com">Anthony@greenengineer.com</a>><br>
Date: Sat, 23 Apr 2011 11:28:14 -0600<br>Subject: Re: [Equest-users] Chillers in Series inputs<br><div dir="ltr"><div>Hmmmm---I wasn't aware or didn't see this specifically myself---- can you show me a screen shot where you are seeing this in eQuest?</div>
<div>I will have to dig deeper....</div>
<div> </div>
<div> </div>
<div>Thanks,</div>
<div>Pasha<br><br></div>
<div class="gmail_quote">On Fri, Apr 22, 2011 at 2:55 PM, Anthony Hardman <span dir="ltr"><<a href="mailto:Anthony@greenengineer.com" target="_blank">Anthony@greenengineer.com</a>></span> wrote:<br>
<blockquote style="border-left:#ccc 1px solid;margin:0px 0px 0px 0.8ex;padding-left:1ex" class="gmail_quote">
<div lang="EN-US" vlink="purple" link="blue">
<div>
<h5><span style="color:#1f497d;font-size:11pt;font-weight:normal">The keyword</span><span style="color:#1f497d;font-size:11pt"> “SERIES-SETPT-RAT</span><span style="color:#1f497d;font-size:11pt;font-weight:normal">“ to setup chillers in series is still listed as future in the help files. </span></h5>
<h5><span style="color:#1f497d;font-size:11pt;font-weight:normal">Could that be why you’re running into trouble? </span></h5>
<p class="MsoNormal"><b><span style="color:#1f497d;font-size:11pt"> </span></b></p>
<p class="MsoNormal"><b><span style="color:#0f243e;font-size:11pt">Anthony Hardman, PE</span></b></p>
<p class="MsoNormal"><b><span style="color:#0f243e;font-size:9pt">LEED AP BD&C</span></b><b><span style="color:#0f243e;font-size:11pt"></span></b></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt">Building Performance Analyst</span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt"> </span></p>
<p class="MsoNormal"><b><span style="color:#00b050;font-size:11pt">THE GREEN ENGINEER, LLP</span></b><b><span style="color:#00b050;font-size:11pt"></span></b></p>
<p class="MsoNormal"><b><span style="color:#00b050;font-size:11pt">Sustainable Design Consulting – Energy Modeling – LEED Project Management </span></b><span style="color:#1f497d;font-size:11pt"></span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt">50 Beharrell St</span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt">Concord, MA 01742</span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt">O: <a href="tel:978%2F610-2801" value="+19786102801" target="_blank">978/610-2801</a></span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt">C: <a href="tel:720%2F840-7862" value="+17208407862" target="_blank">720/840-7862</a></span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt"><a href="http://www.greenengineer.com/" target="_blank"><span style="color:#0f243e;text-decoration:none">www.GreenEngineer.com</span></a></span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt"><a href="http://www.linkedin.com/in/ahardman81" target="_blank">www.linkedin.com/in/ahardman81</a></span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt"><a href="http://twitter.com/#!/a_Hardman" target="_blank">http://twitter.com/#!/a_Hardman</a></span></p>
<p class="MsoNormal"><span style="color:#0f243e;font-size:10pt"> </span></p>
<p class="MsoNormal"><span style="color:#1f497d;font-size:11pt"> </span></p>
<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>Pasha Korber-Gonzalez<br>
<b>Sent:</b> Friday, April 22, 2011 2:04 PM<br><b>To:</b> James Hansen
</span></p><div>
<div></div>
<div><br><b>Cc:</b> eQUEST Users List; Arunabha Sau<br><b>Subject:</b> Re: [Equest-users] Chillers in Series inputs</div></div>
<p></p>
<div>
<div></div>
<div>
<p class="MsoNormal"> </p>
<div>
<div>
<p class="MsoNormal">Thanks Rob & James for your prompt input to my dilemma....after I sent the email to the list, I went back in my plants to try and make sense why the secondary wasn't seeing a load--so for a random test I switched the assignement of the two chillers (just reversed which loops they are on.) and then ran the sim without errors. That was the good news. I don't have my head around the logic of why that worked on the first try, but maybe I was having some dislexia-input moments and spec'd my chiller conditions backwards (i.e. high chiller & low chiller in the series).</p>
</div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">Since it has ran I noticed an immediate reduction in chiller energy use, but I haven't yet verified if the reduction is realistic and if there are any other QC error type things to verify that this approach is indeed modeling the chiller temps in series. I don't think I will mess with custom chiller curves at this point because this project model is only SD. Therefore I won't be held to any compliance reviews and strict performance results...at least not at this point in time.</p>
</div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">I'll try to send feedback when I can verify that this is a valid input option for chillers in series, or if it holds no water at all...</p></div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">Cheers,</p></div>
<div>
<p style="margin-bottom:12pt" class="MsoNormal">Pasha</p></div>
<div>
<p class="MsoNormal">On Fri, Apr 22, 2011 at 12:18 PM, James Hansen <<a href="mailto:JHANSEN@ghtltd.com" target="_blank">JHANSEN@ghtltd.com</a>> wrote:</p>
<div>
<div>
<p class="MsoNormal"><span style="color:#1f497d;font-size:11pt">Most manufacturers will give you a “single chiller” performance curve for the two chillers in series. I typically just make custom chiller curves to represent series chillers as a single chiller. If a designer creates valving that allows water to NOT have to flow through both chillers during low load operation, this gets a little tricky, and I end up averaging the delta P across the chillers to represent partial operation thru both chillers and partial operation thru a single chiller. No easy way to do this.</span></p>
<p class="MsoNormal"><span style="color:#1f497d;font-size:11pt"> </span></p>
<p class="MsoNormal"><b><span style="color:teal;font-size:11pt">GHT Limited<br></span></b><b><span style="color:black;font-size:11pt">James Hansen, PE, LEED AP</span></b></p>
<p class="MsoNormal"><b><span style="color:black;font-size:10pt">Senior Associate</span></b></p>
<p class="MsoNormal"><span style="color:black;font-size:7.5pt">1010 N. Glebe Rd, Suite 200</span></p>
<p class="MsoNormal"><span style="color:black;font-size:7.5pt">Arlington, VA 22201-4749</span></p>
<p class="MsoNormal"><span style="color:black;font-size:7.5pt"><a href="tel:703-338-5754" target="_blank">703-338-5754</a> (Cell)</span></p>
<p class="MsoNormal"><span style="color:black;font-size:7.5pt"><a href="tel:703-243-1200" target="_blank">703-243-1200</a> (Office)</span></p>
<p class="MsoNormal"><span style="color:black;font-size:7.5pt"><a href="tel:703-276-1376" target="_blank">703-276-1376</a> (Fax)</span></p>
<p class="MsoNormal"><span style="color:teal;font-size:11pt"><a href="http://www.ghtltd.com/" target="_blank"><span style="font-size:10pt">www.ghtltd.com</span></a></span></p>
<p class="MsoNormal"><b><span style="color:#31849b;font-size:11pt"> </span></b></p>
<p class="MsoNormal"><span style="color:#1f497d;font-size:11pt"> </span></p>
<div style="border-bottom:medium none;border-left:medium none;padding-bottom:0in;padding-left:0in;padding-right:0in;border-top:#b5c4df 1pt solid;border-right:medium none;padding-top:3pt">
<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>Rob Hudson<br>
<b>Sent:</b> Friday, April 22, 2011 2:15 PM<br><b>To:</b> Pasha Korber-Gonzalez<br><b>Cc:</b> eQUEST Users List; Arunabha Sau<br><b>Subject:</b> Re: [Equest-users] Chillers in Series inputs</span></p></div>
<div>
<div>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I won't claim that this is correct whatsoever, but briefly looking at your set up, it is clear that the water isn't pulling extra load from the second chiller. I think you may want to set up a single chiller because I don't see a way to get the water to go through both chillers. You could also create your own custom curves so that you match the combined performance of the modeled chiller.</p>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">Just a thought.</p></div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p style="margin-bottom:12pt" class="MsoNormal">Rob</p>
<div>
<p class="MsoNormal">On Fri, Apr 22, 2011 at 1:55 PM, Pasha Korber-Gonzalez <<a href="mailto:pasha.pkconsulting@gmail.com" target="_blank">pasha.pkconsulting@gmail.com</a>> wrote:</p>
<div>
<div>
<p class="MsoNormal">Hi,</p></div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">I could use some guidance to make sure I'm assuming the correct inputs to set up chillers in series. This is the first time I'm trying to model this and I have it set up with a primary & secondary loop for a total delta T of 16 across 2 chillers. I'm getting a run error of the secondary loop having NO DESIGN FLOW/LOAD, but I'm not sure how to show that load on the secondary loop.....maybe I have the chillers listed backwards???</p>
</div>
<div>
<p class="MsoNormal"> </p></div>
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<p class="MsoNormal">Can anyone take a quick look at the setup in the Plant Module and let me know what I am missing on this? I couldn't find any info on chillers in series in the DOE-2 docs to guide me on the correct inputs and setup.</p>
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<p class="MsoNormal">.pd2 & inp files attached.</p></div>
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<p class="MsoNormal">Thanks in advance for your keen eye and guidance on my model.</p></div>
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<p class="MsoNormal"><span style="color:#888888">Pasha</span></p></div></div>
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