<br />JK,<br /><br />The significant difference is that the data file for Type919 is normalized, so the user can scale the capacity and the power as parameters instead of trying to obtain the actual capacities and power at certain conditions (Type505). Thus, it gives the user more flexibility and ease when modeling heat pumps in TRNSYS.<br /><br />Best regards,<br /><br />Matt Duffy<br /><br /><!--replyfwdwrap--><div style="background-image: url(http://webmail.fusemail.com/de/r_bg_img.gif); background-repeat: repeat-x; background-position: 50% top"><strong>----- Original Message -----</strong><br /><strong>From:</strong> "James James" <j16122005@yahoo.com> <br /><strong>Sent:</strong> Mon, August 29, 2011 7:08<br /><strong>Subject:</strong> [TRNSYS-users] Water source heat pump<br /><br /><table cellspacing="5" width="100%"><tbody><tr><td><div class="PrivateMsgDiv"><!-- begin sanitized html --><div class="bodyclass"><div style="background-color: #fff; font-fa!
mily: times new roman, new york, times, serif; color: #000; font-size: 12pt"><div style="right: auto">Hi,</div><div style="right: auto"> </div><div style="right: auto">Can someone tell me what is the difference between water source heat pump model 505 and 919. Can we use same peroformance data that was used for 505 in 919? If not how to change. Pl help.</div><div style="right: auto"> </div><div style="right: auto">Thanks,</div><div style="right: auto"> </div><div style="right: auto">JK</div></div></div><!-- end sanitized html --><hr noshade="" size="1" /><pre>
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