<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:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:rtc="http://microsoft.com/officenet/conferencing" xmlns:D="DAV:" xmlns:Repl="http://schemas.microsoft.com/repl/" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ppda="http://www.passport.com/NameSpace.xsd" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:wf="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:dsss="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:dssi="http://schemas.microsoft.com/office/2006/digsig" xmlns:mdssi="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:mver="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns:mrels="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:spwp="http://microsoft.com/sharepoint/webpartpages" xmlns:ex12t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ex12m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:pptsl="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:spsl="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:Z="urn:schemas-microsoft-com:" xmlns:st="" 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 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Robby,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for your email. We will do trending but was hoping that we can also get some numbers out of equest.<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'>Has anybody else even tried to model the below?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Nikola<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 style='line-height:10.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'>Nikola Kravik, LEED AP </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><img width=28 height=33 id="_x0000_i1031" src="cid:image001.gif@01CD6596.FD164F90" alt="Description: cid:image001.gif@01CB9AE0.30118F00"></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'><br>Project Engineer<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'><br><b>Willdan Energy Solutions<o:p></o:p></b></span></p><p class=MsoNormal style='line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'>6130 Stoneridge Mall Road, Suite 380<br>Pleasanton, CA 94588<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'>T. 925.416.4200 ext. 1228<br>D. 925.416.4228 <o:p></o:p></span></p><p class=MsoNormal style='line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'>C. 925.719.5883<br>F. 925.737.0174<o:p></o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.0pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="mailto:nkravik@willdan.com"><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>nkravik@willdan.com</span></a><br><a href="http://www.willdan.com/energy"><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>www.willdan.com/energy</span></a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><img border=0 width=237 height=39 id="Picture_x0020_1" src="cid:image002.jpg@01CD6596.FD164F90" alt="WD_tagend_300rgb"></span><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'><o:p> </o:p></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;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Robby Oylear [mailto:robbyoylear@gmail.com] <br><b>Sent:</b> Wednesday, July 18, 2012 4:21 PM<br><b>To:</b> Nikola Kravik<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] CT Recirc air and quantifying energy penalty in equest for increased entering WB Temp<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This might be a situation where you want to use actual energy readings. If they have a consistent load (or maybe you can false load the system somehow) you could take power readings or run some trends at night when the "effective" wet bulb in that built-up well would be closer to what you'd see if the tower was open to ambient air. Compare the two power usage measurements/trends and there's your savings.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If the tower fans have VFD's you should already have power metering capability.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Franklin Gothic Demi","sans-serif";color:#632423'>Robby Oylear, </span><span style='font-size:10.0pt;font-family:"Franklin Gothic Demi","sans-serif";color:#632423'>PE, LEED AP</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'>Mechanical Engineer</span></i><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'>Senior Energy Analyst</span></i><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'> </span></i><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:8.0pt;line-height:115%;font-family:"Verdana","sans-serif";color:#632423'>D</span></b><span style='font-size:8.0pt;line-height:115%;font-family:"Verdana","sans-serif";color:#1F497D'> </span><span style='font-size:8.0pt;line-height:115%;font-family:"Verdana","sans-serif"'>206-788-4571</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><a href="http://www.rushingco.com/"><b><i><span style='font-size:8.0pt;line-height:115%;font-family:"Verdana","sans-serif";color:#632423'>www.rushingco.com</span></i></b></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Jul 18, 2012 at 3:55 PM, Nikola Kravik <<a href="mailto:NKravik@willdan.com" target="_blank">NKravik@willdan.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have a project designed with a WSHP/Fluid cooler where the 2 cell FCooler was put in a “cage of wall” (so neighbors don’t hear the sound db’s).<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Well the sound may be lower, but they have bigger issues with the recirc air and elevated wet bulb around the tower, contractor did measurements and instead of 72F EAWB is about 77F.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>95/85 design though with the wet bulb at 77-78F, tower is doing 101/91F+.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I tried to quantify the penalty for the decreased capacity (or the other way around the get savings if we knock the wall and bring the db back to 72F) by playing with the approach temp (from the design 13F to 19F) under the FCooler but that didn’t make a difference.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Then I tried the CW loop, elevating the CHW Temp to simulate increased FCooler Leaving supply temp from designed 85F to 90+F and that yield about 100Kwh savings but now sure if this is the right way to do it in equest –has anybody attempted something similar in equest and got justifiable results? Would you recommend doing it some other way in equest? <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thank you,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Nikola<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><img border=0 width=732 height=547 id="_x0000_i1025" src="cid:image003.png@01CD6596.FD164F90"><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><img border=0 width=775 height=678 id="_x0000_i1026" src="cid:image004.jpg@01CD6596.FD164F90"><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><img border=0 width=719 height=531 id="_x0000_i1027" src="cid:image005.jpg@01CD6596.FD164F90"><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'>Nikola Kravik, LEED AP </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><img border=0 width=28 height=33 id="_x0000_i1028" src="cid:image001.gif@01CD6596.FD164F90" alt="Description: cid:image001.gif@01CB9AE0.30118F00"></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'><br>Project Engineer</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'><br><b>Willdan Energy Solutions</b></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'>6130 Stoneridge Mall Road, Suite 380<br>Pleasanton, CA 94588</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'>T. <a href="tel:925.416.4200%20ext.%201228" target="_blank">925.416.4200 ext. 1228</a><br>D. <a href="tel:925.416.4228" target="_blank">925.416.4228</a> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'>C. <a href="tel:925.719.5883" target="_blank">925.719.5883</a><br>F. <a href="tel:925.737.0174" target="_blank">925.737.0174</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'><a href="mailto:nkravik@willdan.com" target="_blank"><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>nkravik@willdan.com</span></a><br><a href="http://www.willdan.com/energy" target="_blank"><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>www.willdan.com/energy</span></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:gray'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><img border=0 width=237 height=39 id="_x0000_i1029" src="cid:image002.jpg@01CD6596.FD164F90" alt="WD_tagend_300rgb"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></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">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>