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Juliane,<br>
Type2 is designed to be a "heating" controller, meaning that it
turns on when the control value drops below a certain setpoint. In
your case, you want the opposite so you can either use one of the
controllers that is designed for a "cooling" application (Type108
would work) or you can make an equation that inverts the result of
your Type2's output<br>
<br>
output = 1-Type2Result<br>
<br>
Best,<br>
David<br>
<br>
<br>
On 2/4/2012 09:44, Juliane Weidhaus wrote:
<blockquote
cite="mid:trinity-a80bf908-3082-4935-9114-fd88fe391d49-1328370243556"
type="cite">
<div style="font-family: Verdana;font-size: 12.0px;">
<div><span class="" id="result_box"><span class="hps">Hello</span><span>,</span><br>
<br>
<span class="hps">I</span> <span class="hps">would like</span>
<span class="hps">to</span> <span class="hps">build</span>
<span class="hps">my</span> <span class="hps">project</span>
<span class="hps">the night</span> <span class="hps">air</span><span>,</span>
<span class="hps">which is a function</span> <span
class="hps">of</span> <span class="hps">the</span> <span
class="hps">horizontal</span> <span class="hps">radiation</span><span>.</span><br>
<span class="hps">Here</span> <span class="hps">is my
approach:</span><br>
<span class="hps">First</span> <span class="hps">In</span>
<span class="hps">trnbuild</span> <span class="hps">I made</span>
<span class="hps">at</span> <span class="hps">an input</span>
<span class="hps">ventilation</span> <span class="hps">(I:</span>
<span class="hps">1 *</span> <span class="hps">Nachtl</span><span>)</span><br>
<span class="hps">Second</span> <span class="hps">In</span>
<span class="hps">studio</span> <span class="hps">I use the</span>
<span class="hps">controller</span> <span class="hps">2d</span><span>,</span>
<span class="hps">the</span> <span class="hps">controller</span>
<span class="hps">when the</span> <span class="hps">radiation</span>
<span class="hps">is 0</span> <span class="hps">to</span> <span
class="hps">go</span> <span class="hps">to on and</span>
<span class="hps">if</span> <span class="hps">more than 0</span>
<span class="hps">to 0.</span><br>
<br>
<span class="hps">Have already</span> <span class="hps">tried
all the</span> <span class="hps">options and</span> <span
class="hps">do not</span> <span class="hps">get it back</span><span>,</span>
<span class="hps">he does it</span> <span class="hps">the
other way</span><span>.</span><br>
<br>
<span class="hps">What values</span> <span class="hps">
should</span> <span class="hps">I enter</span> <span
class="hps">into the</span> <span class="hps">input</span>
<span class="hps">fields</span> <span class="hps">1-6.</span><br>
<br>
<span class="hps">Thank you very much</span></span><br>
</div>
</div>
<br>
<br>
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
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