[Equest-users] OA hourly data

R B slv3sat at gmail.com
Tue Apr 19 09:40:08 PDT 2011


Kamel, Bill,
Thanks for the reply. I changed the OA cfm for all the zones to 0. Now in
the SV-A report the zone OA is showing as zero but the system OA ratio is
0.2 and the custom hourly report variables (ratio of outside air to supply
flow - Var 39, and the minimum OA damper position - Var 80) are still
varying from 0.21 to 0.56. Not sure from where eQuest is getting 0.2 value
or these other values in the hourly report.
Does VAV have a default minimum outside air that cannot be overwritten?

Thanks
-Rohini

On Tue, Apr 19, 2011 at 10:16 AM, Haddad, Kamel <
Kamel.Haddad at nrcan-rncan.gc.ca> wrote:

>  Rohini, Try setting all the zone level outside air fields to the smallest
> number you can enter.
>
> Kamel Haddad
>
>
>  ------------------------------
>  *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *R B
> *Sent:* April 19, 2011 10:21
>
> *To:* eQUEST Users List
> *Subject:* [Equest-users] OA hourly data
>
>
> Hello all:
> I am trying to simulate zero outside air. I set the min OA on the systems
> tab to zero, economizer to fixed fraction, there are no OA numbers at the
> zone level. I would assume this will give me zero OA but when I look at the
> hourly variables (ratio of outside air to supply flow - Var 39, and the
> minimum OA damper position - Var 80) they vary from 0.21 to 0.56.
> What am I missing? Any pointers helpful.
> -Rohini
>
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