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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=DE-CH
style="FONT-FAMILY: Arial; mso-ansi-language: DE-CH"><FONT size=3>Dear
all,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office"
/><o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=DE-CH
style="FONT-FAMILY: Arial; mso-ansi-language: DE-CH"><o:p><FONT
size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>I have a
problem to control the temperature.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>My model is a
mechanically ventilated room. The incoming air passes a mixing zone before it
enters the room. I would like to heat/cool the room with the incoming air,
therefore I need to couple the air temperature of the incoming air with the room
air temperature. Depending on the room air temperature the temperature in the
mixing zone have to increase or decrease.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p><FONT
size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>I tried the
coupling with ‘zones/controls’ and controller ‘basic control’
<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>- sensor
senses the temperature of the room<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>- actuator is
air point of the current zone (here mixing zone)<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p><FONT
size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>But the given
heating / cooling setpoints are related with ‘mixing zone’. There is no
difference in the result<SPAN class=256354009-15092006>s</SPAN> between sensor
senses room or mixing zone temperature.<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p><FONT
size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT size=3>Does anyone
know, if I could solve this problem with ‘zones controls’ or must I install a
plant?<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p><FONT
size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT
size=3>Regards<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: Arial; mso-ansi-language: EN-US"><FONT
size=3>Monika<o:p></o:p></FONT></SPAN></P></FONT></DIV>
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