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<p class=MsoNormal><span style='color:#1F497D'>Equest World,<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 am trying to fix the boilers
in the model and I have a question (both conceptual and modeling) related to
what capacity to model. This is a new construction project where I am
following 90.1 appendix G.<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'>This is what is going on with
the heating boilers (I’ll use simplified numbers)<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>There are 7 hot
water boilers that are used for the HHW (total capacity of 2500 MBTUH)<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>There are a electric
fan forced heaters in bathrooms and stairwells that (70 MBTUH)<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>There is a community
room in the basement that has a separate unit that provides both heating and
cooling (heating capacity of 70 MBTUH)<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>The heat from the
boilers is sent mostly through baseboard radiators and a few hydronic systems
(total heating capacity of (1200 MBTUH)<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>From the above info,
the capacity of the boilers is 2500 while the total capacity for the heating units
that need the hot water is 1200. <o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;
mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Courier New";
color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>Is this
common? <o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;
mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Courier New";
color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>Did the designer
screw up? <o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;
mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Courier New";
color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>How would you model
it in both the baseline and proposed model? (ie which capacity am I using, or
should I just have eQuest autosize the boilers off of the cooling design?)<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 hope this makes sense.
Thanks again for everyone’s continued help. Sooner or later I will have
enough skills where I can start answering calls for help like mine.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Cheers,<o:p></o:p></p>
<p class=MsoNormal>Kevin Kelly, LEED AP<o:p></o:p></p>
<p class=MsoNormal>Energy Systems Analyst<o:p></o:p></p>
<p class=MsoNormal>R3 Energy Management<o:p></o:p></p>
<p class=MsoNormal>W: 914.909.3940 x115<o:p></o:p></p>
<p class=MsoNormal>M: 267.981.5012<o:p></o:p></p>
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