<div dir="ltr"><div class="gmail_default" style=""><font color="#073763" style="" face="arial, helvetica, sans-serif">Hi,</font></div><div class="gmail_default" style=""><font color="#073763" face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default" style=""><font color="#073763" face="arial, helvetica, sans-serif">There was an old post back in 2012 on this topic. Here i am pasting the excerpt from the post:</font></div><div class="gmail_default" style=""><font color="#073763" face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default" style=""><font color="#073763" face="arial, helvetica, sans-serif">'<i><span style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">An axial fan cooling tower is required per G3.1.3.11. Required cooling tower efficiency is </span><span class="gmail-il" style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">38.2</span><span style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span></span><span class="gmail-il" style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">gpm</span><span style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">/</span><span class="gmail-il" style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">hp</span><span style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span>per ASHRAE 90.1, Table 6.8.1G. Let eQUEST autosize the cooling tower, and use the design flowrate shown on the PV-A report to determine the fan<span> </span></span><span class="gmail-il" style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">HP</span><span style="font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">. Then convert to kW and enter the value in FAN-KW/CELL. The cell is normally grayed out, so right-click the cell and enter the kW value by changing the user default</span></i><span style="font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">.'</span></font></div><div class="gmail_default" style=""><span style="font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#073763" face="arial, helvetica, sans-serif"><br></font></span></div><div class="gmail_default" style=""><font color="#073763" face="arial, helvetica, sans-serif">Moreover, I do follow the same in E+ too.</font></div><div class="gmail_default" style=""><span style="font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#073763" face="arial, helvetica, sans-serif"><br></font></span></div><div class="gmail_default" style=""><span style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif">Hope this helps!</span><br></div><div class="gmail_default" style=""><span style="font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#073763" style="" face="arial, helvetica, sans-serif"><br></font></span></div><div class="gmail_default" style=""><span style="font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#073763" style="" face="arial, helvetica, sans-serif"> </font></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Mar 21, 2018 at 7:26 PM, Jones, Christopher via Bldg-sim <span dir="ltr"><<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="color:windowtext">My mind is dead this morning. I can’t recall how to convert the 90.1 cooling tower fan power requirement to TWR-EIR for DOE2.2. For example, given 40.2 gpm/HP and convert Btu/Btu. Seems like you have to assume
a delta-T for the condenser water flow in order to convert the gpm flow to Btu?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:windowtext"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:6.0pt;color:windowtext"><u></u> <u></u></span></b></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:windowtext">Christopher R. Jones</span></b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:windowtext">,
P.Eng.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:windowtext">Technical Specialist<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:windowtext">Sustainability & Energy<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="color:windowtext"><img width="78" height="37" style="width:.8125in;height:.3854in" id="m_-8493100077005635493Picture_x0020_15" src="cid:image001.png@01D3C0FA.E816C640"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:windowtext"><u></u><u></u></span></p>
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<p class="MsoNormal" style="text-autospace:none"><i><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#6ea900">Please consider the environment before printing...<u></u><u></u></span></i></p>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="arial, helvetica, sans-serif" size="2"><div style="font-style:italic"><i><font color="#0b5394"><br></font></i></div><font color="#073763">Javed Iqbal, LEED AP, CEA<br>Sr. Energy Analyst</font></font></div><div dir="ltr"><font size="2"><font face="arial, helvetica, sans-serif" color="#000000"><br></font></font></div><div dir="ltr"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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