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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Everyone, I may have asked this before, but has anybody run
across a section of ASHRAE 90.1 or LEED describing the operation of a baseline
furnace in a PSZ unit? Do we assume the heating modulates or does it stage? And
if it stages, how many stages? I have been modeling baseline furnace heating as
modulating since that is what naturally appears in eQuest, but I wonder. I know
in reality that a lot of small furnace heaters cycle to maintain space heat. <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'>Also, I promised I would share results of my struggle to model
dehumidification for a project in <st1:country-region w:st="on"><st1:place
w:st="on">Georgia</st1:place></st1:country-region>. I was sort of successful,
I think. What I ended up doing was attaching 2 DOAS in series. The first DOAS
had a cooling only heat pump and the second unit had heating only heat pump. The
first unit handled the outside air and passed space/return air to the second
DOAS. The second unit supplied space/return air to the terminal units.
This way I got to define set points for the first DOAS cooling supply
temperature (space/return temperature) and the second DOAS heating supply (space/return
temperature). The amount of energy consumed and size of each unit was adjusted
to approximate a horseshoe dehumidification unit. It seemed to work. <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'><o:p> </o:p></span></font></p>
<p class=section1 style='margin:0in;margin-bottom:.0001pt'><strong><b><font
size=3 color=black face=Arial><span style='font-size:12.0pt;font-family:Arial;
color:black'>Kathryn Kerns</span></font></b></strong><o:p></o:p></p>
<p class=section1 style='margin:0in;margin-bottom:.0001pt'><em><b><i><font
size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial;font-weight:
bold;font-style:normal'>Systems Specialist</span></font></i></b></em><o:p></o:p></p>
<p class=section1 style='margin:0in;margin-bottom:.0001pt'><em><b><i><font
size=3 color=teal face="Times New Roman"><span style='font-size:12.0pt;
font-variant:small-caps;color:teal;font-weight:bold;font-style:normal'>BCE</span></font></i></b></em><strong><b><font
size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;
font-variant:small-caps;color:teal'> </span></font><font color=teal><span
style='font-variant:small-caps;color:teal'>Engineers, Inc.<o:p></o:p></span></font></b></strong></p>
<p class=section1 style='margin:0in;margin-bottom:.0001pt'><strong><b><font
size=1 color=black face="Times New Roman"><span style='font-size:9.0pt;
color:black'>| Ph: 253.922.0446 | Fx: 253.922.0896 |</span></font></b></strong><font
size=1 color=black><span style='font-size:7.0pt;color:black'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=4 color=black face=Arial><span style='font-size:
13.5pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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12.0pt'><o:p> </o:p></span></font></p>
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