<html>

<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 10 (filtered)">

<style>
<!--
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
span.EmailFormatvorlage17
        {font-family:Arial;
        color:windowtext;}
@page Section1
        {size:595.3pt 841.9pt;
        margin:70.85pt 70.85pt 2.0cm 70.85pt;}
div.Section1
        {page:Section1;}
 /* List Definitions */
 ol
        {margin-bottom:0cm;}
ul
        {margin-bottom:0cm;}
-->
</style>

</head>

<body lang=DE link=blue vlink=purple>

<div class=Section1>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello TRNSYS-users,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I have two questions to the simple building model
type 12c.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> </span></font></p>

<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'>1.)<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>    
</span></font></span></font><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial'>Why does the model ignore the
initial room temperature set as parameter 4?</span></font></p>

<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'>2.)<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>    
</span></font></span></font><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial'>For the purpose of the deck I am
currently creating, I need to read in the parameter 2 (overall conductance U*A)
by an external file even though they remain to be constant. I set the parameter
2 to string and defined a new variable by equation to read in the value from
the external file. But in this case the results are not the same as in the case
of setting the value of U*A directly in type 12c. I also compared the result of
the equation with the value supposed to be the right one. Could that be a
problem of first time step manipulations?</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> </span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Thanks a lot in advance,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Michael  </span></font></p>

</div>

</body>

</html>