[Trace-users] Ventilation VAV

Bob Fassbender bobfass11 at gmail.com
Thu May 7 14:12:53 PDT 2015

Hi Oscar,

If you followed the manual for BOTH the proposed and baseline and
implemented the same std 62.1 parameters in both, ironically, that's what
should happen i. The critical ventilation changes as a result of the
alterations in the baseline's envelope and internal loads. This of course
impacts the total system ventilation.

Most likely,  you want to 1) ensure that your proposed ventilation matches
the design ventilation (which should match with std 62)

2) set room by room ventilation in the baseline to match exactly with the
room ventilations of the proposed. I am pretty sure TRACE does this when
you select "New ASHRAE 90.1 baseline"

Of course, I'm just guessing on your baseline setup,



On Thu, May 7, 2015 at 2:52 PM, Oscar Buchely <obuchely at ses-ingenieria.com>

> Hi.
> I am modelling a VAV systems in base line and proposed models for LEED
> certification purpose. Even though I followed the Trace 700 user manual
> steps for introducing 62.1 air flows I don't get the same Nom Vent  in the
> system check sums report for the baseline and proposed system?.
> Thanks
> --
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