<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
span.EmailStyle19
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Fellow eQuest modelers,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I’m reposting my last query (see below) with an example of one of the eQuest models that I have been having trouble with. Again, I’m having trouble modeling some very simple (IMO) heating hot water/boiler energy efficiency measures. I’m just not seeing the amount of savings I’m expecting. I’m even seeing negative savings for some measures (this is especially frustrating).<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>My offer of a beer to anyone who helps me solve my problem still stands, though I’ll have to restrict my offer to US/Canada destinations. Did I mention I’m in <a href="http://travel.nytimes.com/2012/05/27/travel/san-diegos-thriving-craft-beer-scene.html?pagewanted=all&_r=0">San Diego</a>?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks in advance for your help.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='text-align:justify'><b><span style='color:#0D0D0D'>Dominique Michaud </span></b><span style='color:#0D0D0D'>|</span><span style='color:#00006E'> </span>Project Engineer<b><span style='color:#00006E'><o:p></o:p></span></b></p><p class=MsoNormal style='text-align:justify'><a href="http://www.scengineers.net/"><b><span style='color:#00006E;text-decoration:none'>SC Engineers, Inc. </span></b></a><b><span style='color:#00006E'><o:p></o:p></span></b></p><p class=MsoNormal style='text-align:justify'><a href="http://maps.google.com/maps?hl=en&cp=40&gs_id=2&xhr=t&q=17075+Via+Del+Campo,+San+Diego,+CA+92127&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1280&bih=583&wrapid=tljp132371020953200&um=1&ie=UTF-8&hq=&hnear=0x80dbf72707811bcf:0xafda74b7e473e651,17075+Via+Del+C"><span style='color:#0D0D0D;text-decoration:none'>17075 Via Del Campo, San Diego, CA 92127</span></a><span style='color:#0D0D0D'><o:p></o:p></span></p><p class=MsoNormal style='text-align:justify'><span style='color:#0D0D0D'>P: 858.946.0333 | C: 858.436.4213 |F: 858.946.0334<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify'><a href="mailto:dominique@scengineers.net"><span style='color:windowtext;text-decoration:none'>dominique@scengineers.net</span></a><span style='color:#0D0D0D'> | </span><a href="http://www.scengineers.net/"><span style='color:#0D0D0D;text-decoration:none'>www.scengineers.net</span></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></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"'> Dominique Michaud [mailto:dominique@scengineers.net] <br><b>Sent:</b> Friday, September 13, 2013 5:35 PM<br><b>To:</b> 'equest-users@lists.onebuilding.org'<br><b>Subject:</b> HHW reset controls in eQuest<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Fellow eQuest modelers, <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am experiencing a great deal of grief trying to model HHW/boiler energy efficiency measures using eQuest. I am trying to model HHW temperature resets based on outside air temperature and boiler lockout strategies.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Under the DD Wizard, “Hot Water System Control and Schedule > Setpoint is:” drop-down list I’ve selected “OA Reset” and allowed the resulting hi/low temperature values to default, namely HW Max Temp: 180.0F and HW Min Temp: 140.0F (see attached screenshot).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Digging into the BDL, I noticed this issue:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5356 * "B5HW Lp Heat Reset Sch-D" = DAY-SCHEDULE-PD<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5357 * TYPE = RESET-TEMP<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5358 * SUPPLY-LO = 140<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-CAUTION-------------------------- === -------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-CAUTION--- VALUE GREATER THAN MAXIMUM OF 0.1200E+03<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5359 * SUPPLY-HI = 180<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-CAUTION-------------------------- === -------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-CAUTION--- VALUE GREATER THAN MAXIMUM OF 0.1200E+03<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5360 * OUTSIDE-LO = 30<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5361 * OUTSIDE-HI = 65<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> *5362 * ..<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>However, it looks as though the values are accepted for the reset schedule:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Courier New"'>-NOTE- - - DATA FOR B5HW Lp Heat Reset Sch-D<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-INPUT - - - - - - - - - - - - - - - - - - - - - - - - TYPE = RESET-TEMP<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-INPUT - - OUTSIDE-HI = 65.0000 F<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-INPUT - - OUTSIDE-LO = 30.0000 F<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-INPUT - - SUPPLY-HI = 180.0000 F<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-INPUT - - SUPPLY-LO = 140.0000 F<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-DEFAULT - - - - - - - - - - - - - - - - - - - - - - - DAY-HOURS = 1.0000<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>-DEFAULT - DAY-HOURS = 24.0000<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I run the model I end up negative natural gas savings (i.e. more gas usage than in my baseline case). No matter what dials I try to turn with this EE measure, I consistently end up with negative savings. Even more frustrating, when I try to run a OA temperature lockout for the boiler, I get even more energy use than my baseline model!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can anyone provide me with some guidance on what I need to do to get my model to run these EEMs correctly? Help put me on the path to solving these problems and I will buy you a beer…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>(Note: I am using eQuest 3.64 Build 7130 – the latest release)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you for any assistance you can provide.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Yours,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-align:justify'><b><span style='color:#0D0D0D'>Dominique Michaud </span></b><span style='color:#0D0D0D'>|</span><span style='color:#00006E'> </span>Project Engineer<b><span style='color:#00006E'><o:p></o:p></span></b></p><p class=MsoNormal style='text-align:justify'><a href="http://www.scengineers.net/"><b><span style='color:#00006E;text-decoration:none'>SC Engineers, Inc. </span></b></a><b><span style='color:#00006E'><o:p></o:p></span></b></p><p class=MsoNormal style='text-align:justify'><a href="http://maps.google.com/maps?hl=en&cp=40&gs_id=2&xhr=t&q=17075+Via+Del+Campo,+San+Diego,+CA+92127&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1280&bih=583&wrapid=tljp132371020953200&um=1&ie=UTF-8&hq=&hnear=0x80dbf72707811bcf:0xafda74b7e473e651,17075+Via+Del+C"><span style='color:#0D0D0D;text-decoration:none'>17075 Via Del Campo, San Diego, CA 92127</span></a><span style='color:#0D0D0D'><o:p></o:p></span></p><p class=MsoNormal style='text-align:justify'><span style='color:#0D0D0D'>P: 858.946.0333 | C: 858.436.4213 |F: 858.946.0334<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify'><a href="mailto:dominique@scengineers.net"><span style='color:windowtext;text-decoration:none'>dominique@scengineers.net</span></a><span style='color:#0D0D0D'> | </span><a href="http://www.scengineers.net/"><span style='color:#0D0D0D;text-decoration:none'>www.scengineers.net</span></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>