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<div class="moz-cite-prefix">David,<br>
thanks for this fast reply. Since I connected the pressure as well
(don´t know how i could miss this) there are no more warnings due
to psychometrics. Just at the end there´s one warning left, which
doesn´t sound good:<br>
<br>
<i>*** Warning at time : 8760.000000</i><i><br>
</i><i> Generated by Unit : 6</i><i><br>
</i><i> Generated by Type : 112</i><i><br>
</i><i> Message : Fan mass balance failed during
35040 timesteps. Please check the connections.</i><br>
<br>
Do you have any idea what in detail could be wrong ? I made the
connections for dry bulb, humidity and pressure. <br>
<br>
Thanks in advance!<br>
Best,<br>
Michael <br>
<br>
<br>
<br>
<br>
Am 12/3/2012 6:39 PM, schrieb David BRADLEY:<br>
</div>
<blockquote cite="mid:50BCE3D1.6090508@tess-inc.com" type="cite">
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
Michael,<br>
You need to connect the pressure as well. It is surprising that
you always get the warning. I would understand if you get that
warning for some timesteps (maybe even enough timesteps to go over
the allowable number of warnings in a simulation. However, if you
get that warning at every single timestep, there might be
something else wrong.<br>
Regards,<br>
David<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/3/2012 05:39, Michael Diekerhof
wrote:<br>
</div>
<blockquote
cite="mid:trinity-a9d1d262-dda8-4b33-b262-3defa7db93eb-1354534798680@3capp-webde-bs27"
type="cite">
<div style="font-family: Verdana;font-size: 12.0px;">
<div>Dear all,<br>
</div>
<div><br>
</div>
<div>I´m using type 112 as a fan for an air-Source heat pump
(type401). <br>
</div>
<div><br>
</div>
<div>Between Type 15(weather) and type 112 i made the
following connections:<br>
</div>
<div><br>
</div>
<div>Dry bulb temperature => Inlet temperature<br>
</div>
<div>Humity ratio => Inlet air humidity ratio<br>
</div>
<div><br>
</div>
<div>But unfortunetaly I do always receive the following
warning which results in an Error:<br>
</div>
<div><br>
</div>
<div><em>"The referenced UNIT has called the PSYCHROMETRICS
routine witha humidity ratio above the saturation humidity
ratio for the given dry bulb temperature. <br>
</em></div>
<div><em>The air was assumed saturated at the given dry bulb
temperature and the humidity ratio set for this condition</em>"<br>
</div>
<div><br>
</div>
<div>Does anyone has a suggestion to solve this problem ?? I
appreciate any idea :)<br>
</div>
<div><br>
</div>
<div>Best,<br>
Michael <br>
</div>
</div>
<br>
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***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
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