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Mariëlle,<br>
I would recommend trying with Type108 instead of Type8. You can use
the 1st stage cooling setpoint as your night ventilation. You may also
want to multiply the Type108 output by the result of another equation
to make sure that night ventilation isn't activated during the daytime.<br>
Best,<br>
david<br>
<br>
<br>
Mariëlle Nuchelmans wrote:
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Hi all,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">I want to
model a nightventilation system with
following setpoints:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">Switch on
when roomtemperature is 23 degrees, switch
off when roomtemperature is below 19 (hysteresis)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">I use
type8b. But it only gives a coolsignal when I
set the deadband on 0 degrees, but I should set it on 4 degrees. But
then I
never get a coolsignal. What am I doing wrong?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB"><o:p> </o:p></span></font></p>
<div>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Met vriendelijke groet,<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Mariëlle Nuchelmans</span></font><font
size="1"><span style="font-size: 8pt;"> </span></font><font size="1"><span
style="font-size: 8pt;"><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
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