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<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-US" style="color:#0F5573;mso-fareast-language:EN-US">These are the specifications of the heat pump on different temperature levels at the load side and the source side, typically you get them from
manufacturer data. It makes no sense trying to calculate them on your own. The values in your example means that the heat pump has a cooling power of 49.94 kW and needs 9.1 kW of electric power when the temperature at the load side is -3.89 °C and the temperature
at the source side is 7.22 °C.<o:p></o:p></span></a></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#0F5573;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#0F5573;mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#0F5573;mso-fareast-language:EN-US">Matthias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#0F5573;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> TRNSYS-users [mailto:trnsys-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>berkane ahlem via TRNSYS-users<br>
<b>Sent:</b> Freitag, 27. April 2018 15:07<br>
<b>To:</b> TRNSYS users mailing list at OneBuilding.org <trnsys-users@lists.onebuilding.org><br>
<b>Cc:</b> berkane ahlem <jinan.berkane@gmail.com><br>
<b>Subject:</b> [TRNSYS-users] (no subject)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p>Hello,sirs<o:p></o:p></p>
<p>I am using type 668 (water to water heat pump) for my TRNSYS<br>
I was reading the external files but I don´t understand the meaing of this files <br>
For example (total cooling(kw),and power(kw) at -3.89/7.22) it 49,94kw and 9.10 kw<br>
How can i calulate them ,and how can i change this values<br>
Thank you in advance<o:p></o:p></p>
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