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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='color:#1F497D'>Hi Thu,<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'>This looks like a good opportunity to share some things for everyone to consider when encountering unmet hours… I’d encourage others to read along!<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'>CAUTION: the files you sent include a 0kB INP file… if it isn’t too late, you should save a copy in a new location if you still have your project open!<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'>That said, the files you did send included a SIM report file from which I can suggest a few things. <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'>Scrolling through the space temperature summary (SS-O), you have some very different distributions of binned hours between the zones… many are floating higher (into the 85+ range) for much of the year… SS-R suggests the problem is not isolated to any particular zone/system (I would normally verify this in my own models using the airside summary tab after a simulation).<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'>A few things catch my eye: <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>You have a fan schedule for at least one system with zeroes entered through the work day… I can tell you are trying to define “residential” and “non-residential” scheduling for different spaces under the same project… but be very careful you aren’t mis-applying any such system & load scheduling in this sense or you’ll have a lot of cooling that will not be served because your fans are simply off. The inverse applies for those systems whose fans are noted “off” in the evening. A review of your night-setback inputs may worth your time as well.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>As an extension of the first bullet: Looks like you are trying to define a cooling setback temperature of 104 degrees using your zone cooling schedule… check whether that really makes sense. A ~30-degree differential is going to be tough for any non-oversized system to catch up with if the building should float far beyond the set point.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Another reason your systems might have trouble keeping up: this is not necessarily “wrong,” but fractional schedules for things like plug loads and occupancy ordinarily lie in-between 0 and 100% for an energy model. Case in point: 100% misc equipment loads and occupancy for all occupied hours is likely exacerbating the unmet cooling hour situation (consider these items as an internal heat load), and may simultaneously be a reason you have zero unmet heating hours to consider at the moment although the reports are cautioning you extensively on the topic of heating capacities... <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'>Not an exhaustive review, but may help you identify a few stumbling blocks. If you wish to re-engage the list with your files in the future, I’d advise including your weather file and ensuring your INP file is not empty. <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'>Best of luck!<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'>~Nick<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'><img width=119 height=37 id="Picture_x0020_1" src="cid:image001.jpg@01CC9D38.AD596C70" alt="cid:489575314@22072009-0ABB"></span><b><span style='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'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'>NICK CATON, P.E.</span></b><b><span style='font-size:12.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>SENIOR ENGINEER<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>Smith & Boucher Engineers</span><span style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west valley parkway, suite 200<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe, ks 66061<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913.344.0036<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913.345.0617<o:p></o:p></span></p><p class=MsoNormal><span style='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;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p></div><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"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Thu Nguyen - Indochine Engineering<br><b>Sent:</b> Sunday, November 06, 2011 10:44 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] Supporting to review detail project<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dear all users, <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m modeling a project like the attached, with included: office for staff, dormitory for expert, canteen kitchen for expert and worker. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m already fix the schedule for each system following as their properly schedule. But the unmet hour result still high, out of allowance. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Please would you have a favor to review this modeling and instruct for me, the detail reason make this wrong. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks so much and hope to see your feedback soon.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Thu Nguyen<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Indochine Engineering Vietnam Ltd<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Unit 5, 8th Floor, A&B Tower, 76 Le Lai Street<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>District 1, HCMC, Vietnam<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Mobile: +84 (0) 985 277 099 <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Tel: +84 (8) 6290 9400 Ext 300<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Fax: +84 (8) 6290 9406<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'>Web: <a href="http://www.indoeng.com/">www.indoeng.com</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'><a href="mailto:tien@indoeng.com?subject=Feedback%20on%20ICE%20Quality%20System">Skype</a>: huongthu.nguyen<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>Annex:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>Ho Chi Minh Ha Noi Da Nang<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>5F FAFILM Bldg Suite 429, 4F, Regus Press Club 6F Indochina Riverside Tower Bldg<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>6 Thai Van Lung St 59 Ly Thai To St 74 Bach Dang St<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>District 1, HCMC, Vietnam Hoan Kiem District, Ha Noi, Vietnam Hai Chau District, Da Nang, Vietnam<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>Tel: +84 (8) 6290 9400 Tel: +84 (4) 3936 7926 Tel: +84 (511) 222 1200<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'>Fax: +84 (8) 6290 9406 Fax: +84 (4) 3936 8069 Fax: +84 (511) 222 1201<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Times New Roman","serif";color:#1F497D'><a href="blocked::mailto:carl@indoeng.com?subject=Feedback%20on%20ICE%20Quality%20System" title="blocked::mailto:carl@indoeng.com?subject=Feedback%20on%20ICE%20Quality%20System
mailto:carl@indoeng.com?subject=Feedback on ICE Quality System">Email us for any feedback on Indochine Engineering</a></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>