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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am modeling a single story building that uses a
ground-source, water to water heat pump to serve radiant heating/cooling
slabs. A majority of the building utilizes natural ventilation although mechanical
ventilation is needed for the restrooms and a laboratory space with a fume
hood. The plans call for a HRV unit to provide this make-up air to the
spaces and this is where I run into problems. For SYSTEM, TYPE = HP, in
eQUEST, it won’t let me model an HRV unit although the graphic appears in
the Air-Side HVAC System window. Any suggestions for turning on this
feature in a HP system?<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><b><font size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#816D5B;font-weight:bold'>Andrew Craig</span></font></b> <font
size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#1E1F48'>| </span></font><font size=2 color="#816d5b"
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:#816D5B'>Mechanical
Designer/Energy Analyst</span></font><o:p></o:p></p>
<p><font size=3 color="#1e1f48" face="Arial Black"><span style='font-size:12.0pt;
font-family:"Arial Black";color:#1E1F48'>INTERFACE </span></font><font
color="#1e1f48" face=Arial><span style='font-family:Arial;color:#1E1F48'>ENGINEERING
</span></font><br>
<st1:Street w:st="on"><st1:address w:st="on"><font size=2 color="#816d5b"
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:#816D5B'>708
SW Third Avenue</span></font></st1:address></st1:Street><font size=2
color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#816D5B'> </span></font><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48'>| </span></font><st1:address
w:st="on"><st1:Street w:st="on"><font size=2 color="#816d5b" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#816D5B'>Suite</span></font></st1:Street><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'> 400</span></font></st1:address><font size=2
color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#816D5B'> </span></font><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48'>| </span></font><st1:place
w:st="on"><st1:City w:st="on"><font size=2 color="#816d5b" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#816D5B'>Portland</span></font></st1:City><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">OR</st1:State> <st1:PostalCode
w:st="on">97204</st1:PostalCode></span></font></st1:place><font size=2
color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#816D5B'> </span></font><o:p></o:p></p>
<p><b><font size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#1E1F48;font-weight:bold'>direct: </span></font></b><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>503.382.2696</span></font><br>
<b><font size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#1E1F48;font-weight:bold'>office: </span></font></b><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>503.382.2266</span></font><br>
<b><font size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#1E1F48;font-weight:bold'>fax: </span></font></b><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>503.382.2262</span></font><br>
<strong><b><font size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#1E1F48'>email: </span></font></b></strong><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>Andrew_C@ieice.com</span></font><br>
<b><font size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#1E1F48;font-weight:bold'>web: </span></font></b><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>www.ieice.com</span></font> <o:p></o:p></p>
<p><font size=1 color="#1e1f48" face=Arial><span style='font-size:8.0pt;
font-family:Arial;color:#1E1F48'>Consultants of Choice to the Built Environment
for over 35 years</span></font><br>
<st1:City w:st="on"><font size=1 color="#816d5b" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#816D5B'>Kirkland</span></font></st1:City><font
size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">WA</st1:State> </span></font><font
size=1 color="#1e1f48" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#1E1F48'>| </span></font><st1:City w:st="on"><font size=1
color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#816D5B'>Portland</span></font></st1:City><font size=1 color="#816d5b"
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:#816D5B'>, <st1:State
w:st="on">OR</st1:State> </span></font><font size=1 color="#1e1f48" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#1E1F48'>| </span></font><st1:City
w:st="on"><font size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;
font-family:Arial;color:#816D5B'>Sacramento</span></font></st1:City><font
size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">CA</st1:State> </span></font><font
size=1 color="#1e1f48" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#1E1F48'>| </span></font><st1:City w:st="on"><font size=1
color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#816D5B'>Salem</span></font></st1:City><font size=1 color="#816d5b"
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:#816D5B'>, <st1:State
w:st="on">OR</st1:State> </span></font><font size=1 color="#1e1f48" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#1E1F48'>| </span></font><st1:place
w:st="on"><st1:City w:st="on"><font size=1 color="#816d5b" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#816D5B'>SanFrancisco</span></font></st1:City><font
size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">CA</st1:State></span></font></st1:place><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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