[Bldg-sim] EE4 crash - hydronic radiators in MURB - Help!

[Cheney]

Hi Lilah

Well, it looks you are setting up the model on the right trick except for OA
which is not clearly stated. I guess you should still put up central make-up
air unit although no heating source will be applied there. Meanwhile, try to
input calculated fan power (your exhaust fans) into central air unit.

I dislike EE4 since it has a big black box which you can not trace down the
errors. However, I can recall I have encountered similar problems before.
What I did is to check some generated file (I could not remember what files
they are but basically they are generated together with the calculation even
it is incomplete.) where I was able to find out the reason why the system
crash.

No time to check my previous projects but I will let you know which file you
should check if I could recall it.
Regards,

Cheney

LinkedIN @ http://ca.linkedin.com/pub/yu-cheney-chen/27/637/72b



On Thu, Jun 9, 2011 at 8:40 AM, Montague, Lilah <
Lilah.Montague at perkinswill.com> wrote:

>  Hello,
>
>
>
> I could REALLY use some help troubleshooting my model.    Many thanks in
> advance!
>
>
>
> I am trying to build an EE4 model of a MURB with hydronic (heating only)
> radiators off central boilers, with ventilation air ducted to each suite
> from outside, with no central make-up air unit.  The ventilation air is
> drawn in using scheduled operation of washroom exhaust fans.   I am modeling
> the system as 2-pipe fan coil, with zero fan power.
>
>
>
> I have worked through the errors, and the simulation will start to run,
> then freezes and goes unresponsive.  I am able to generate the loads using
> the sizing function.  No DOE report is generated.  Actually when I try to
> open the (0 kb) DOE file, I get a D2SimViewer error “Out of memory.”
>
>
>
> I have been working through the modelling guide to try to determine what
> could be causing this, but I have not been able to fix the problem.
>
>
>
> I am not an expert at EE4, so perhaps there is a model-building convention
> that I have disobeyed.
>
>
>
> Any help would be appreciated!  I am getting a little desperate, and
> unfortunately need to model in EE4, as this is the only acceptable software
> for this project.
>
>
>
>
>
> Kind Regards,
>
> Lilah
>
>
>
>
>
> *Busby Perkins+Will is pleased to announce the launch of  PERKINS**+**WILL
> CANADA**!    *
>
> For more information please visit www.perkinswill.ca**
>
> * *
>
> *Lilah Montague*, B.Eng. EIT LEED® AP
>
> Sustainable Energy Advisor
>
>
>
> 1220 Homer St., Vancouver, BC V6B 2Y5
>
> *t*: 604.484.2258    *f*: 604.684.5447    *e*:
> Lilah.Montague at perkinswill.com* *   http://www.perkinswill.ca<http://www.busbyperkinswill.ca/>
>
> *Perkins+Will Canada.*  Ideas + buildings that honor the broader goals of
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