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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 46,200 hotel with a geothermal well heat
pump system in the detailed interface of eQUEST and am running into a few
problems. I am fairly new to the program so please forgive my ignorance. I
searched the previous threads and could not find any solutions and would highly
appreciate any assistance.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<ul type=disc>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>For heating only zones, there will be electric unit
heaters installed. ASHRAE Std. 90.1-2004 states “Where no cooling
system exists or no cooling system has been specified, the cooling system
shall be identical to the system modeled in the baseline design.”
For such spaces I have specified a packaged single zone unit. Specifying
electric heat and a water cooled condenser connected to the GSHP Loop. Is
this the correct approach?</span></font></li>
</ul>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<ul type=disc>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>When I go to perform a simulation I am prompted with “PUMPd
Error: PUMP design input is unreasonable Check values.” The GSHP
system has (2) pumps and I have input their specifications per design. Does
anyone have any suggestions? Could this be due to the electric unit
heaters being modeled with cooling, thus increasing GPM?</span></font></li>
</ul>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<ul type=disc>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am also having trouble with my DHW Loop Pumps. I receive
an error stating: “Pump: DHW Loop Pumps has user specified
parameters that force the mechanical efficiency to be unreasonable. Check
input or allow the program to calculate the kW. Calculated mechanical
efficiency= 0.071.” Once again I have entered the pumps’
specifications per design documents.</span></font></li>
</ul>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thank you,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoAutoSig><em><b><i><font size=2 color=black face="Times New Roman"><span
style='font-size:11.0pt;color:black;font-weight:bold'>Keith Lane</span></font></i></b></em><em><b><i><font
size=2 color=black face="Times New Roman"><span style='font-size:11.0pt;
color:black;font-weight:bold'>, LEED AP</span></font></i></b></em></p>
<p class=MsoAutoSig><em><b><i><font size=2 color=black face="Times New Roman"><span
style='font-size:11.0pt;color:black;font-weight:bold'>Mechanical Engineer</span></font></i></b></em></p>
<p class=MsoAutoSig><font size=4 color=red face="Arial Rounded MT Bold"><span
style='font-size:14.0pt;font-family:"Arial Rounded MT Bold";color:red'>Garcia.Galuska.DeSousa</span></font></p>
<p class=MsoAutoSig><i><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-style:italic'>Consulting
Engineers
Inc.
</span></font></i></p>
<p class=MsoAutoSig><font size=2 color=black face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:black'>370 Faunce
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size=2 color=black face="Arial Narrow"><span style='font-size:10.0pt;
font-family:"Arial Narrow";color:black'>Dartmouth</span></font><font size=2
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"Arial Narrow";color:black'>, </span></font><font size=2 color=black
face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
color:black'>MA</span></font><font size=2 color=black face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:black'> </span></font><font
size=2 color=black face="Arial Narrow"><span style='font-size:10.0pt;
font-family:"Arial Narrow";color:black'>02747</span></font><font size=2
color=black face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
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<p class=MsoAutoSig><font size=2 color=black face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:black'>p.508.998.5700
f. 508.998.0883</span></font></p>
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12.0pt'> </span></font></p>
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