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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 Sunayana,<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'>One option to consider for Appendix G & similar contexts is that you can <i>always</i> do two separate models instead of rolling everything into a single model using parametrics. Pros and cons both ways – but neither approach is “wrong.”<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'>If you would like to push ahead with leveraging parametric runs to build your proposed on top of your baseline (typically I’d be going in the other direction, but the same advice applies), you can effect “autosizing” capacities for one run and “specified” inputs for the other leveraging a combination of input expressions and global parameters.<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'>Example (pictures follow each step for subscribers that don’t receive with formatting):<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Set up a global parameter to serve as a “flag” – (tip: descriptive naming is always a good idea):<o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>PARAMETER</span><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'> "Specify_CFM" = 0 ..</span><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img width=385 height=185 id="Picture_x0020_2" src="cid:image002.png@01D19678.42015300"><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Use if/then expressions to switch up a specified capacity vs. no input (“no_def,” resulting in auto-sizing). This example is intended for a system CFM entry (SUPPY-FLOW):<o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>if(#PA("Specify_CFM")==0)</span><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'> then no_def $ If Flag is off, no specified CFM</span><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'> else 1200 $ If Flag is on, specify this CFM</span><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>endif</span><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img width=932 height=439 id="_x0000_i1026" src="cid:image003.png@01D19678.42015300"><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>(for this particular example, you would not see anything at the eQuest input box if it’s working correctly – toggling the #PA to something other than 0 should result in a pink input of 1,200 in the eQuest interface)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>For your parametric run, add a component which “activates” this #PA flag:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img width=990 height=570 id="Picture_x0020_1" src="cid:image004.png@01D19678.42015300"><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'>The result: For that parametric run, whatever you entered after “else” in the expression (i.e. </span><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>1200</span><span style='color:#1F497D'>) will be used for the system’s SUPPLY-FLOW input.<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’d advise trying the above process a few times to get the hang of the concept, if this is all foreign. You could modify that expression and use 4 different versions of it in your model for 4 distinct proposed typical system equipment selections, for example.<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'>After this feels comfortable, a few other notes/tips to consider:<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo4'><![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'>The expression for step #2 can grow in complexity to specify different capacities based on other local inputs. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo4'><![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'>In direct consideration of “summed systems:” Instead of a number (i.e. </span><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>1200</span><span style='color:#1F497D'>), an expression can perform simple algebra (i.e. </span><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>3*400</span><span style='color:#1F497D'> or </span><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>600+200+400</span><span style='color:#1F497D'>). This is categorically BETTER practice than doing the same sort of math “on the side,” as you’re documenting how your inputs were determined directly within the model for your own/others’ reference. <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo4'><![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'>Instead of a static result, the expression can also do math incorporating other variables… Considering the “combined” zones/systems you mentioned electing to use, you could specify CFM (& heating/cooling capacities… etc.) per local unit area to determine “weighted” capacity automatically. This entered at a zonal level would result in 1.25 CFM/ft2, as an example: </span><span style='font-size:10.0pt;font-family:Consolas;color:black;background:#CCFFCC'>#LR("SPACE","AREA")*1.25</span><span style='color:#1F497D'>.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo4'><![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'>To save more time during inputs and further reduce potential for human error, everything we’re talking about for expressions can also be applied as user-defaults (“user default expressions”). <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='font-family:"Arial","sans-serif";color:#3A7A46'>------------------------------------------------------------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:#3A7A46'>Nick Caton, P.E.</span></b><span style='color:#3A7A46'><o:p></o:p></span></p></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=724 style='width:543.0pt;border-collapse:collapse'><tr><td width=230 valign=top style='width:172.3pt;padding:0in 0in 0in 0in'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'> Senior Energy Engineer</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'> Energy and Sustainability Services</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'> North America Operations</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'> Schneider Electric</span><span style='color:#1F497D'><o:p></o:p></span></p></td><td width=291 valign=top style='width:218.3pt;padding:0in 0in 0in 0in'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#57B069'>D </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'>913.564.6361 </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#57B069'>M </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'>785.410.3317 </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#57B069'>E </span><span style='color:#1F497D'><a href="mailto:nicholas.caton@schneider-electric.com"><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'>nicholas.caton@schneider-electric.com</span></a></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#57B069'>F </span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'>913.564.6380</span><span style='color:#1F497D'><o:p></o:p></span></p></td><td width=203 valign=top style='width:152.4pt;padding:0in 0in 0in 0in'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#626469'>15200 Santa Fe Trail Drive<br>Suite 204<br>Lenexa, KS 66219<br>United States</span><span style='color:#1F497D'><o:p></o:p></span></p></td></tr><tr style='height:4.0pt'><td width=724 colspan=3 valign=top style='width:543.0pt;padding:0in 0in 0in 0in;height:4.0pt'><p class=MsoNormal style='mso-line-height-alt:4.0pt'><span style='color:#3A7A46'><img border=0 width=722 height=49 id="Picture_x0020_3" src="cid:image005.png@01D19678.42015300" alt="cid:image001.png@01D189AB.58634A10"><o:p></o:p></span></p></td></tr></table><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"'> Equest-users [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Sunayana Jain via Equest-users<br><b>Sent:</b> Wednesday, April 13, 2016 4:40 PM<br><b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> [Equest-users] Parametrics for Multi-family<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi All,<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>I have created a baseline model for a large multi-family building. Thermal zones in my model are such that some zones have 10 residential units, some have just 1 unit (corner ones) and likewise. I am running parametric runs to obtain proposed model. Proposed and baseline residential systems are packaged terminal heat pumps.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>I used weighted average to calculate kW/CFM, Cooling and Heating EIR for the proposed systems and have put them in parametric runs. However, I am not sure how to put CFM and heating and cooling capacities in parametric as I don’t want to run separate parametric for each thermal zone.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Any suggestions will be appreciated.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Sunayana<o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>______________________________________________________________________<br>This email has been scanned by the Symantec Email Security.cloud service.<br>______________________________________________________________________<o:p></o:p></span></p></div></body></html>