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You will have to define the common wall as an "adiabatic" interior
partition -- no heat transfer and no solar load. In the wizard you
can do this by clicking on the wall (in Shell screen 2 of the DD
wizard) and then selecting adiabatic. In detailed mode you can also
delete a exterior wall and then create an interior partition of type
adiabatic. You could also simply delete the common wall -- this
also has no solar and no conduction load. The only thing this does
is decreases the room's thermal mass slightly (not of significance
likely). <br>
<br>
There is no way to create and interior partition and to force the
temperature of the adjacent space -- you would have to create the
"next to" zone if you really want to model heat transfer between new
and existing. Unless the occupancies are significantly different,
the impact of conduction across that wall is likely negligible.<br>
<br>
Good luck.<br>
<br>
BF<br>
<br>
On 11/10/2010 10:36 AM, <a class="moz-txt-link-abbreviated" href="mailto:RJTHEACMAN@aol.com">RJTHEACMAN@aol.com</a> wrote:
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<div>I am modeling an addition to an existing building. The new
addition has three perimeter exposures and the fourth exposure
is up against the existing building, which is a conditioned
space.<br>
<br>
How do I tell equest that one of my exposures is not a
perimeter wall but it is basically a partition with a
conditioned space adjacent to it?<br>
<br>
Thanks<br>
<br>
Richard J. Dominick, P.E.<br>
TEC Engineers LLC.<br>
The Energy Consultant<br>
304 Main Avenue, Suite 426<br>
Norwalk, CT. 06851<br>
Phone: 203-722-5206<br>
Fax: 203-849-0781<br>
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