Hi Jim, <br><br>You might need to add a ground loop heat exchanger to your lake/ well loop. <br><br>Madhav Munshi<br>Atelier Ten<br><br><div class="gmail_quote">On Wed, Sep 30, 2009 at 10:09 AM, Crockett, Jim <span dir="ltr"><<a href="mailto:Jcrockett@nexant.com">Jcrockett@nexant.com</a>></span> wrote:<br>
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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Hello all,</span></font></p>

<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">I’ve created a Loop-to-Loop
Heat Pump.  This type of chiller requires a heat sink / lake for the condensing
water loop.  When I run the simulation, I get the error:</span></font></p>

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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">“Lake loop has no
attached primary heating equipment.”</span></font></p>

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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">At the risk sounding ignorant, how do I attach primary
heating equipment?  (I’ve tried what I think are the obvious solutions)  Thanks,</span></font></p>

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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Jim Crockett, P.E.</span></font></p>

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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Senior Project Engineer</span></font></p>

<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Energy & Carbon Management</span></font></p>

<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Nexant, Inc.</span></font></p>

<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">4021 S. 700 E., Suite 250</span></font></p>

<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Salt Lake City</span></font><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">, Utah 84107</span></font></p>

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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">(801) 639-5603 - phone</span></font></p>

<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">(801) 266-4786 - fax</span></font></p>

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<br></blockquote></div><br><br clear="all"><br>-- <br>regards<br><br>Madhav<br>