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<DIV>Arnaud, </DIV>
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<DIV>If you have TESS library, you can use the tank Type 534 which has the number of heat exchangers as one of the parameters.<BR></DIV>
<DIV>Regards,</DIV>
<P>Ratnalee Patil<BR></P>
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</FONT><BR>-----Inline Message Follows-----<BR><BR><BR>Good morning everyone,<BR><BR>I try to model the solar thermal installation of a building.<BR><BR>The solar thermal panels are connected to a 800l water tank via a first heat<BR>exchanger (between the water circulating in the panel and the water stored<BR>in the tank) located at the botom of the tank.<BR><BR>If the water in the tank is not hot enough (in winter months for example), a<BR>second heat exchanger (between the hot water of a gas boiler and the tank),<BR>located at the top of the tank, is turn on.<BR><BR>I am not sure how to model the double heat exchanger tank. Can I just use<BR>type4e or do I have to add heat exchangers such as type 5g?<BR><BR>Thank you very much.<BR><BR>Arnaud Thomé<BR><BR><BR></DIV></DIV></div><br>
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