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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;-webkit-line-break: after-white-space'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Rakesh,<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'>Noting that you’ve entered 6.41 kW instead of 8.26 mentioned earlier, it looks like you’re using the correct detailed mode inputs.<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 can’t qualify whether 12 hrs every day is “correct” (a fair enough approximation if everything is 100% photocell controlled*), but you’ve recognized to assign a custom schedule as well  so assuming that’s put together correctly (as described previously) you should find your annual consumption to be 6.41*12*365 = 28,075 kWh<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'>If it still turns out lower, I’d verify the schedule has accounted for holidays/weekends and is in fact 100% for 12 hours daily.<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>* PS:  Those interested can create a set of photocell-based schedules to import into their projects that will vary exterior lighting sensitive to the changing day lengths over the year.  I’ve posted instructions in a thread that can be found within the archives.  Search for “PHOTOCELL-CTRL problem”<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img width=119 height=37 id="_x0000_i1026" src="cid:image001.jpg@01CCD9B9.A10EA350" 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.</span></b><b><span style='font-family:"Stylus BT","sans-serif";color:#2D4D5E'><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></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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"'> rakeshdesai@ecpl.co.in [mailto:rakeshdesai@ecpl.co.in] <br><b>Sent:</b> Sunday, January 22, 2012 10:19 PM<br><b>To:</b> Nick Caton; 'Daniel Knapp'<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> RE: [Equest-users] External Light Load<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Nick,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In detailed wizard, I entered exterior lighting load which is in kW. I am attaching snapshot file of the same. I have also made schedule so that it operates for 12 hours per day.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Is it correct?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rakesh <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif";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"'> Nick Caton [mailto:ncaton@smithboucher.com] <br><b>Sent:</b> 20 January 2012 20:51<br><b>To:</b> Daniel Knapp; rakeshdesai@ecpl.co.in<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> RE: [Equest-users] External Light Load<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-IN><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Rakesh,<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'>In wizards you are forced to enter exterior lighting in units of W/SF.  In detailed edits we can more intuitively enter the load in kW units.<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'>In wizards, divide watts (8,260W in this case) by the area of the shell under which you are defining the exterior lighting load – use the area displayed in the zone/footprint definition screen for reference.  Note with multiple shells the resulting figure may seem otherwise entirely arbitrary but this procedure will result in the correct lighting load (slight deviations of rounding notwithstanding).<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 would take care to define exterior lighting only once under (i.e. under a single shell) if you have multiple shells.  You may end up with a multiplier on your external loads if you copy shells and forget to turn them off after the first shell.  If you wish to define multiple/distinctly-scheduled exterior lighting loads, I would wait to do that in detailed edits where it’s (a) more intuitive and (b) you can assign those distinct schedules.<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'>~Ncik<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img border=0 width=119 height=37 id="Picture_x0020_1" src="cid:image001.jpg@01CCD9B9.A10EA350" 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="x-msg://1149/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></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Daniel Knapp<br><b>Sent:</b> Friday, January 20, 2012 9:05 AM<br><b>To:</b> rakeshdesai@ecpl.co.in<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] External Light Load<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The external lighting entry is watts/square foot of floor area, not total watts.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal>Dan<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>—<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Daniel Knapp, PhD, LEED® AP O+M<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'><a href="mailto:danielk@arborus.ca">danielk@arborus.ca</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Arborus Consulting<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Energy Strategies for the Built Environment<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'><a href="http://www.arborus.ca">www.arborus.ca</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>76 Chamberlain Avenue <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Ottawa, ON, K1S 1V9 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Phone: (613) 234-7178 ext. 113<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Fax: (613) 234-0740<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On 2012-01-20, at 1:11 AM, <<a href="mailto:rakeshdesai@ecpl.co.in">rakeshdesai@ecpl.co.in</a>> <<a href="mailto:rakeshdesai@ecpl.co.in">rakeshdesai@ecpl.co.in</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hi,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I put external light of 8.26 kW which is operating for 12 hours per day and for 365 days in year. As per simple calculation, the energy consumption of external lighting should be 8.26 kW X 12 Hours X 365 Days = 36179 kWh/annum.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>However, when I run the model, I got 3046692 kWh/annum. I checked the schedule and it is ok.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>What could be wrong?<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-IN style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Rakesh<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-IN style='font-size:13.5pt;font-family:"Verdana","sans-serif"'>_______________________________________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send  a blank message to<span class=apple-converted-space> </span><a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>