Dear trnsys users,<br>I'm simulating an energetic concept on trnsys simulation studio and i've this error message:<br>"TRNSYS message 14; the trnsys processor has reported an error while trying to process EQUATIONS and CONSTANTS in the provided TRNSYS input file. The maximum allowable number of constants + equations has been exceeded. Either reduce the number of equations and constants in the input file or increase the limit on the number of equations and constants. If the limit is to be increased, the variable nMaxEquations should be modified in the TrnsysConstants file. The TRNSYS source code will then have to be re-compiled and a new TRNSYS dynamic link librairy created."<br>
<br>I cannot reduce the number of equations and constants otherwise my model is false. How can i re-compiled my TRNSYS source code and is there any risk in doing that ? Furthermore, where can i find the Trnsysconstants file ?<br>
Thanks for your answer.<br>Best Regards.<br>Frédéry.<br><br><div class="gmail_quote">2009/3/19 <span dir="ltr"><<a href="mailto:trnsys-users-request@cae.wisc.edu">trnsys-users-request@cae.wisc.edu</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<br>Today's Topics:<br>
<br>
1. Runtime error using Type155 Matlab Calling (Giacomo Barale)<br>
2. Re: (no subject) (David Bradley)<br>
<br><br>---------- Message transféré ----------<br>From: "Giacomo Barale" <<a href="mailto:stage02@ferasrl.it">stage02@ferasrl.it</a>><br>To: <<a href="mailto:trnsys-users@cae.wisc.edu">trnsys-users@cae.wisc.edu</a>><br>
Date: Thu, 19 Mar 2009 10:34:41 +0100<br>Subject: [TRNSYS-users] Runtime error using Type155 Matlab Calling<br>
<div>
<div><font size="2" face="Arial"><span>Dear
all,</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>I wrote some some
small programs in matlab using .m files. I then coupled these .m files with
Trnsys16 Studio using the type155 component. They work fine individually, but
when i try to make them comunicate, linking outputs from one of them to inputs
of another one, i receive this error message:</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>"Runtime
error!</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>Program: C:\Program
Files\Trnsys16\Exe\TRNExe.exe</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>This application has
requested the Runtime to terminate it in an unusual way."</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>On the other end,
liniking the Type155 with a different component, as the weather data
reading and processing Type109, doesn't give me the same
problem.</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>Can anyone help me
to solve this problem?</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>Thank a lot in
advance</span></font></div>
<div><font size="2" face="Arial"><span></span></font><font size="2" face="Arial"><span>Best
regards</span></font></div>
<div><font size="2" face="Arial"><span></span></font> </div>
<div><font size="2" face="Arial"><span>Giacomo</span></font></div></div>
<br><br>---------- Message transféré ----------<br>From: David Bradley <<a href="mailto:bradley@tess-inc.com">bradley@tess-inc.com</a>><br>To: Giorgos Fragogiannis <<a href="mailto:gfrago@metal.ntua.gr">gfrago@metal.ntua.gr</a>><br>
Date: Thu, 19 Mar 2009 11:20:21 -0500<br>Subject: Re: [TRNSYS-users] (no subject)<br>
<div bgcolor="#ffffff" text="#000000">
Giorgos,<br>
I would stay with Type753 (heating coil) and Type508 (cooling coil)
if indeed that is how the building is being heated and cooled. I am not
sure how you are controlling the system but I would recommend putting
the zones into temperature level control and adding a thermostat that
turns on and off the flow to each coil depending on the temperature of
the zone (instead of calculating a zone load and then somehow imposing
that on the coils. You may also need to use some diverting valves
(Type11) to control whether the water from your heat pump is going to
the heating or the cooling coil.<br>
Kind regards,<br>
David<br>
<br>
<br>
Giorgos Fragogiannis wrote:
<blockquote type="cite">
<div>
<p><span lang="EN-US">Dear all</span></p>
<p><span lang="EN-US">I am new user in trnsys and I
try to
simulate o ground source heat pump system connected to o 7 zone
building (type
56), in order to study the interrelation between ground, HP (water to
water), fan coil and building. </span></p>
<p><span lang="EN-US">My question is what type of
fan coil I must
used in order to meet the heating and cooling demand?</span></p>
<p><span lang="EN-US">Until now I tried to solve
this
problem by using type 753 and 508 simultaneously, but it is difficult
to controlled
it!</span></p>
<p><span lang="EN-US"> </span></p>
<p><span lang="EN-US">Is the right way to use of
water to air
heat pump (type 505), as fan coil or you have any other idea about
this
problem ?</span></p>
<p><span lang="EN-US"> </span></p>
<p><span lang="EN-US">My Regards </span></p>
<p><span lang="EN-US"> George Fragogiannis</span></p>
<p><span lang="EN-US">National Technical University
of Athens</span></p>
<p><span lang="EN-US">School of Mining and
Metallurgical
Engineering</span></p>
</div>
<pre><hr size="4" width="90%">
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</blockquote>
<br>
<pre cols="72">--
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Thermal Energy System Specialists (TESS), LLC
David BRADLEY 22 N. Carroll Street - Suite 370
Partner Madison, WI 53703
USA
P: +1.608.274.2577
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