<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 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>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m trying to quantify savings for subbing the old 350 ton chillers x2, with new 350 T turbocor compressors with custom curves from Manufacturer. <o:p></o:p></p><p class=MsoNormal>It’ s mainly office bld with small 400kw load on the bottom level<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>-When I run the parametric run changing only the first 3 parametric components I get additional 450k KWh savings about 35% of baseline cooling<o:p></o:p></p><p class=MsoNormal>-When I add the 3 custom curves (Cap, EIR, EIRPLR&dt) I created by data points I get negative 200k penalty.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any suggestions what I’m doing wrong or missing? Is it the controls/staging or the data points/coefficients?<o:p></o:p></p><p class=MsoNormal>I tried to do manual input instead of parametric, but model keeps crashing.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I appreciate your guidance.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal>Nikola <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img width=979 height=559 id="Picture_x0020_1" src="cid:image001.png@01CE3646.33CD0D50"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></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: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'><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.0pt'><b><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:red'>Please note our new address as of April 1st:</span></b><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'>6120 Stoneridge Mall Road, Suite 250<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='color:#1F497D'><a href="mailto:nkravik@willdan.com"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>nkravik@willdan.com</span></a><br><a href="http://www.willdan.com/energy"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>www.willdan.com/energy</span></a></span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>