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<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear ESP-r users <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I’m dealing with a simulation problem.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>In my project I have a vent/hydronic Network <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>To evaluate the loads I have done a zone control,
until here everything works fine. Then I have imposed a vent/hydronic control
to open windows and here start my problems.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>When initiating the simulation the following message appears:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>MFCNTR: mass flow control connection 1 <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> no valid day type for year – day
133<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>MFCNTR: cannot allocate appropriate day type <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Is not a good practice to impose a zone and
vent/hydronic control at the same time? Is it something else? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Thanks in advance,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Nuno Fernandes<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>################################################# <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:bold'>
Nuno Tiago Afonso Fernandes</span></font><o:p></o:p></b></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Universidade de
Aveiro</span></font><font face=Arial><span style='font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Departamento de
Engenharia Mecânica<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Campus
Universitário de Santiago </span></font><font face=Arial><span
style='font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> 3810-193 Aveiro <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Portugal</span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=3
face=Arial><span style='font-size:12.0pt;font-family:Arial'> </span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Tel.: +351
234 370 830<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:nuno.fernandes@mec.ua.pt">nuno.fernandes@mec.ua.pt</a><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:9.0pt;text-indent:9.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="http://www.ua.pt/">www.ua.pt</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>##########################################################<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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