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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am trying to model Heat Pump Water
Heaters (HPWHs) in a hotel application for heating domestic hot water.  I
set my type to “Heat Pump” and entered 0.25 for the EIR (a COP of
4).  Oddly, the COP appears to be set at 1.0 regardless of what I enter
for the EIR.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I have the max heat pump temperature set
at the loop temperature, so it shouldn’t be kicking into electric
resistance backup.  Any idea how to remedy this?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If I change the type to “Electricity”
and adjust my EIR according, then I see a savings, but you lose the part load
effects of having the HPWH curves modeled.  <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks in advance!<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Kendra<o:p></o:p></span></font></p>

<div>

<p><b><font size=3 color="#333333" face=Arial><span style='font-size:12.0pt;
font-family:Arial;color:#333333;font-weight:bold'>Kendra Tupper</span></font></b><font
color=navy><span style='color:navy'><br>
</span></font><i><font color=gray face=Arial><span style='font-family:Arial;
color:gray;font-style:italic'>LEED® AP</span></font></i><font color=navy><span
style='color:navy'><br>
</span></font><b><font color="#333333" face=Arial><span style='font-family:
Arial;color:#333333;font-weight:bold'>FLACK</span></font><font color=navy><span
style='color:navy'> </span></font></b><b><font color="#969696" face=Arial><span
style='font-family:Arial;color:#969696;font-weight:bold'>+</span></font></b><b><font
color="#333333" face=Arial><span style='font-family:Arial;color:#333333;
font-weight:bold'> KURTZ</span></font></b><font color=navy><span
style='color:navy'><br>
</span></font><st1:address w:st="on"><st1:Street w:st="on"><font size=2
  color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
  color:navy'>405 Howard St.</span></font></st1:Street><font size=2 color=navy
 face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> <st1:City
 w:st="on">San Francisco</st1:City>, <st1:State w:st="on">CA</st1:State> <st1:PostalCode
 w:st="on">94105</st1:PostalCode></span></font></st1:address><font color=navy><span
style='color:navy'><br>
</span></font><font size=2 color=gray face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:gray'>Direct</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>         
(415) 402-5840</span></font><font color=navy><span style='color:navy'><br>
</span></font><font size=2 color=gray face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:gray'>Email  </span></font><font color=navy><span
style='color:navy'> <a href="mailto:kendra.tupper@sf.fk.com%20"><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>kendra.tupper@sf.fk.com</span></font></a></span></font><o:p></o:p></p>

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<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre></div>

<PRE>

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