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Dear Aziz,<br><br>If you want to simulate a ground source heat pump, you can try the following models:<br><br>1, TYPE 504 (in GHP/TESS library) as you said, "water-source heat pump", but actually it is "water(exterior side, eg, connecting to borehole heat exchanger) -air (room side)" heat pump<br>2, TYPE 668 (in HVAC/TESS library), "water-water heat pump". This is the type which I normally used for the water (exterior side)-water(room side) heat pump.<br><br><br>Kind Regards,<br>Cao Sunliang<br>Aalto University School of Science and Technology,<br>Finland<br><br><br><hr id="stopSpelling">Date: Sat, 20 Nov 2010 12:39:00 +0000<br>From: azizej2002@yahoo.fr<br>To: trnsys-users@cae.wisc.edu<br>Subject: [TRNSYS-users] Ground source heat pumps<br><br><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td style="font: inherit;" valign="top"><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-U!
S">Hello,</span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US"> </span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US">I want to simulate a ground source heat pumps with trnsys (well without groundwater) and I want to use U tube Heat exchanger. With which type for heat pump can I do that? In TESS example I have found Type 504 but for water source heat pumps.</span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US"> </span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US">Thanks in advance.</span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US"> </span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US">Best regards.</span>
</p><p style="line-height: normal;" class="ecxMsoNormal"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US"> </span><span style="line-height: 115%; font-family: 'Times New Roman','serif'; font-size: 12pt;" lang="EN-US">Aziz</span></p></td></tr></tbody></table><br>
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