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Samir,<br>
In my opinion, the Type20 heat pump model is quite limited. It
assumes that you have two sources from which heat can be provided and
assumes that hot water (usually from solar) is one of them. Furthermore,
it does not provide any cooling functions. There are some more flexible
heat pump models available in the TESS HVAC Library if you have access to
that.<br>
You can model part of an air handler using Type92 but doing so is
a very simplified method; Type92 simply reports the amount of energy
required to take a liquid flow stream from an inlet condition to a set
point temperature. In combination with some other models (heat
exchangers, pumps, and fans) you can approach modeling an air handler in
this way but again there are some more flexible models available in the
HVAC Library add-on. If you are interested in more information about the
HVAC library, you can visit
<a href="http://www.trnsys.com/" eudora="autourl">
http://www.trnsys.com</a>.<br>
Cheers,<br>
David<br><br>
<br>
At 05:06 1/4/2007, Chehal, Samir wrote:<br>
<blockquote type=cite class=cite cite="">content-class:
urn:content-classes:message<br>
Content-Type: multipart/alternative;<br>
<x-tab> </x-tab>
boundary="----_=_NextPart_001_01C72FF0.7334CD8B"<br><br>
<font size=2>Dear all,<br>
</font><br>
<font size=2>I must study</font> <font size=2>the energy consumption of a
building and I must use a heat pump to produce energy and some</font>
<font size=2>air handling unit to treat the building.<br>
</font><br>
<font size=2>I don’t know what type to use to</font>
<font size=2>modeling a heat pump</font> <font size=2>(type 20?)</font>
<font size=2>and a air handling unit (type 92?).<br>
</font><br>
<font size=2>I define a Multi-zone building project, and I don’t know how
to do to</font> <font size=2>connect the pump</font> <font size=2>and
the</font> <font size=2>air handling unit to my project.</font> <br><br>
<font size=2>My building is composed of 5 zones.<br>
</font><br>
<font size=2>I wish</font> <font size=2>implement</font>
<font size=2>one</font> <font size=2>air handling unit to each zone and
describe the ventilation schedule to each air handling unit.<br>
</font><br>
<font size=2>Thanks all.<br>
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