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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I likewise have been having enormous trouble reducing the hours
outside of the throttling range for my design case building. In the
winter months in the morning I will have multiple hours outside of the
throttling range for multiple zones and this exceeds 300 hours.<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'>Things I have varied but did not solve the problem include:<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>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Occupancy schedule<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Heating Design Day Schedule<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Night Setback Temperature<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Boiler Size<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><st1:place w:st="on"><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Loop</span></font></st1:place><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>
Capacity<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Pump Size<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Delta T for heating and
Pre-heating coils<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Minimum Outside Air<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Throttling Range <o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Design temperature<o:p></o:p></span></font></li>
</ol>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>At this point I am randomly changing
settings to reduce the amount of hours outside of throttle range, but I would
like to have a more deductive process.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I have a suspicion that there was a
setting in the wizard that is overriding my inputs, but that is conjecture.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>My engineer designed the system in Trane
Trace and oversized it by 25% so the designed heating equipment should be adequate.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Thank you,<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 style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=4 color=navy face=Tahoma><span style='font-size:13.5pt;font-family:Tahoma;
color:navy'>James F. Geers</span></font><font face=Tahoma><span
style='font-family:Tahoma'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>Registered Architect</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>LEED Accredited Professional<o:p></o:p></span></font></b></p>
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size=3 face=Tahoma><span style='font-size:12.0pt;font-family:Tahoma;font-weight:
bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>SFA Architects</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><st1:Street
w:st="on"><st1:address w:st="on"><b><font size=2 color=navy face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:navy;font-weight:bold'>300
West Fourth Street</span></font></b></st1:address></st1:Street><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><st1:place
w:st="on"><st1:City w:st="on"><b><font size=2 color=navy face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:navy;font-weight:bold'>Cincinnati</span></font></b></st1:City><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>, <st1:State w:st="on">Ohio</st1:State> <st1:PostalCode
w:st="on">45202</st1:PostalCode></span></font></b></st1:place><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>513.721.0600</span></font></b><b><font color=navy
face=Tahoma><span style='font-family:Tahoma;color:navy;font-weight:bold'>
</span></font></b><b><font face=Tahoma><span style='font-family:Tahoma;
font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>513.721.0611 (fax)</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
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12.0pt'><o:p> </o:p></span></font></p>
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