[Equest-users] A question about modeling Powered Induction Units in

[Simge Andolsun]

Dear John,

Thank you very much for your response. I will do that. I have one more
question regarding this topic. If I turn the terminal units of the
periphery zones to Series/Parallel PIU and pull the air into these
periphery zones from a core zone (by selecting the core zone for the Air
>From Zone field), would it be sufficient to model the PIU system correctly?
Or, does the building have to have a plenum for the PIU system to be
modeled correctly? Would you please let me know? The file runs with or
without a return plenum, so I could not be sure.

Thanks,
Best Regards,
Simge Andolsun, PhD.


On Thu, Feb 20, 2014 at 2:12 PM, Grando, John <JGrando at cosentini.com> wrote:

>  It would help to get the BEPS/BEPU/PSE reports to see where the decrease
> is coming from.  However, there are a few standard things that lead to this
> problem.  You may want to check that if you have any SET-DEFAULTS defined
> for VAV, they will not apply to the PIU system when you switch over so you
> should check the actual model files for each run to make sure the inputs
> are the same.  You can easily do this by taking the parametric .inp and
> saving it as a different file and opening it.
>
>
>
> *John Grando BEMP | CEM | LEED AP BD+C* |
> *Associate *Phone: 212-615-3705 | Fax: 212-615-3700
> jgrando at cosentini.com
>
>
> *Cosentini Associates - A Tetra Tech Company *Two Pennsylvania Plaza -
> Third Floor - New York, NY 10121
> www.cosentini.com
>
>
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