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Dapeng,<br>
There is not a fundamental limit to the number of logical units
that you can have in a TRNSYS simulation. The limitation that you see is
only at the Type505 proforma level (we'll fix this in the next release of
the TESS Libraries). What you need to do is:<br><br>
1. open the Type505 proforma by double clicking on it in the Direct
Access tool (not the one that is in your project but the default one that
is in the library on the right).<br><br>
2. switch to the "variables" tab and then click the
"variables (parameters, inputs, outputs, derivatives)
button<br><br>
3. switch to the "parameters" tab<br><br>
4. change the value in the "max" field from "100" to
"+Inf" for parameters 2 through 5.<br><br>
5. save the proforma<br><br>
6. open your project, select an instance of Type505 by clicking once on
it.<br><br>
7. right click and select "replace" then browse to find the
Type505 proforma.<br><br>
The reason you need to perform steps 6 and 7 is that when you change a
proforma, that change is not reflected in your projects until you
manually change to the new proforma.<br><br>
Kind regards,<br>
David<br><br>
<br>
At 06:17 11/4/2007, LiDapeng wrote:<br>
<blockquote type=cite class=cite cite="">Dear all:<br><br>
Now I try to simulation a multizone building using water source heat
pump(type505) to provide cool and/or heat for each zone, and there are 27
zones in all in this simulation, so 27 water source heat pump have to be
needed. But as I know, there be need 4 logical units in each type505 and
each type505 should have different logical units, howerer the logical
unit only range from 10 to 100. In this situation, how should I deal with
this case? Did someone encounter such case? <br>
<br>
Best regards!<br>
Thanks!<br>
<br>
Dapeng<br><br>
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