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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear friends, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am working on two projects of core and shell where the
baseline system is system 8 i.e VAV with fan powered boxes.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>There are two different building which are very similar in
nature (not same) and situated at same location.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>However there are differences in the way the two models are
behaving.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have shown the breakdown of different end uses as a
percentage of overall baseline energy consumption<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Project 1<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Plug loads: 25.5 % <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Interior Lighting: 16%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Cooling energy: 28.7%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Fan energy: 21%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Pumps: <font
color=red><span style='color:red'>6.3 %</span></font><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Space heating: 0.1%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Domestic hot water + Exterior Lighting: 1.3 %<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Project 2<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Plug loads: 24 % <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Interior lighting: 15%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Cooling energy: 18%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Fan energy: 25%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Pumps: <font
color=red><span style='color:red'>15 %</span></font><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Space heating: 0.3%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Domestic hot water + Exterior Lighting: 1.3%<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>It can be seen that the energy consumed due to plug loads
and interior lighting as a percentage of baseline are all most equal in both
the cases.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can anyone suggest possible explanation or give hints as to
why the pumping energy as a percentage of baseline has more than doubled in the<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> second case given that the characteristics of chiller,
condenser and pump remain same ,given it is the baseline case. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>One difference is that the first project uses two chillers
as it has conditioned area more than 1, 20,000 sq ft while the second project
has only<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> one chiller ,its conditioned area being less than 1,
20,000<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Vishnuraj Nair</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kalpakrit Sustainable Environments Pvt. Ltd. </span></font><font
size=2 face=Garamond><span style='font-size:10.0pt;font-family:Garamond'><o:p></o:p></span></font></p>
<p class=MsoNormal><U1:PLACE u2:st="on"><U1:CITY u2:st="on"><font size=2
face="Times New Roman"><span style='font-size:10.0pt'><ns0:place
w:insAuthor="admin" w:insDate="2010-03-17T16:07:00Z" w:endInsAuthor="admin"
w:endInsDate="2010-03-17T16:07:00Z"><ns0:City w:insAuthor="admin"
w:insDate="2010-03-17T16:07:00Z" w:endInsAuthor="admin"
w:endInsDate="2010-03-17T16:07:00Z"><st1:City w:st="on"><st1:place w:st="on"><font
face=Arial><span style='font-family:Arial'>New Delhi</span></font></st1:place></st1:City><u
style='text-decoration:none'><span class=msoIns><ins cite="mailto:admin"
datetime="2010-03-17T16:07"></ns0:City></ins></span></u><u style='text-decoration:
none'><span class=msoIns><ins cite="mailto:admin" datetime="2010-03-17T16:07"></ns0:place></ins></span></u></span></font><font
size=2 face=Garamond><span style='font-size:10.0pt;font-family:Garamond'><o:p></o:p></span></font></p>
</U1:CITY></U1:PLACE>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Tel: +91.124.4309490-92 Ext: 312 , Fax: +91.124.4309493<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>E-mail : </span></font><a href="mailto:vishnu@kalpakrit.com"><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>vishnu@kalpakrit.com</span></font></a><font
size=2><span style='font-size:10.0pt'><o:p></o:p></span></font></p>
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