<div dir="ltr">Hi<div>In my simulation there is type 32 (Cooling coil). when I run my model without an equation it runs properly. but runnig my model using the equation (named Sum in model) it runs for first hours but it stops with the following error. The equation is just some of the heat rates to be used in plotter. following is the error and the simulation environment.</div><div>what should I do to solve it?</div><div><img src="cid:ii_15941c810cd878cd" alt="Inline image 2" width="472" height="40"><br></div><div><img src="cid:ii_15941c72c914c6b0" alt="Inline image 1" width="472" height="290"> <br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div><div style="text-align:right"><div style="text-align:left"><br></div><div style="text-align:left">--------------------------------------------------------------------------------------------------------------------------------------------------<br><img src="https://docs.google.com/uc?id=0B56a_joPrCZuYUg5aFkzTlR2dTg&export=download" width="96" height="96"><br></div><div style="text-align:left;font-size:12.8px"><b><font face="georgia, serif">amirrezaheidary</font></b></div><div style="text-align:left;font-size:12.8px"><i><font color="#444444" face="trebuchet ms, sans-serif">master student of energy systems Engineering</font></i></div><div style="text-align:left;font-size:12.8px"><font color="#444444" face="trebuchet ms, sans-serif"><i>Sharif university of technology</i></font></div><div style="text-align:left;font-size:12.8px"><font color="#444444" face="trebuchet ms, sans-serif"><i>Tehran-Iran</i></font></div><div style="text-align:left;font-size:12.8px"><font face="georgia, serif"><i>E-mail address</i></font><font face="comic sans ms, sans-serif">:</font></div><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;font-size:12.8px;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><p style="text-align:left"><font color="#1155cc" face="tahoma, sans-serif"><a href="mailto:heidari@energy.sharif.edu" target="_blank">heidari@energy.sharif.edu</a></font></p></blockquote><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;font-size:12.8px;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><p style="text-align:left"><font face="tahoma, sans-serif" style="color:rgb(17,85,204)"><a style="color:rgb(17,85,204)" href="mailto:sm_mousavi@pwut.ac.ir" target="_blank">a</a><a href="mailto:mirrezaheidarysbu@gmail.com" target="_blank">mirrezaheidarysbu@gmail.com</a></font></p></blockquote><div style="text-align:left"><b style="color:rgb(0,0,0);font-family:"times new roman","new york",times,serif;font-size:small"><span lang="EN-GB" style="color:green;font-family:Webdings">P</span></b><i style="color:rgb(0,0,0);font-family:"times new roman","new york",times,serif;font-size:small"><span lang="EN-GB" style="color:navy"> </span></i><b style="color:rgb(0,0,0);font-family:"times new roman","new york",times,serif;font-size:small"><i><span lang="EN-GB" style="color:green">Save a tree... Please don't print this E-mail unless you really need to.</span></i></b><b><font color="#0000ff"><font size="1">                                                                                                                              </font></font></b><br></div><br></div><font color="#0000ff"><font size="1"><br></font></font></div><div><font color="#0000ff"><font size="1"><br></font></font><div><div><font color="#0000ff"><font size="1"><br></font></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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