[Equest-users] OA hourly data

[R B]

I have set the OA control to fixed fraction.
-Rohini

On Tue, Apr 19, 2011 at 12:24 PM, Paul Diglio <paul.diglio at sbcglobal.net>wrote:

> Rohini:
>
> Since there is no such thing as a damper that does not have a leakage
> value, perhaps eQuest is factoring that in.  Can you just remove the
> economizers?
>
> Paul Diglio
>
>
> ------------------------------
> *From:* R B <slv3sat at gmail.com>
> *To:* eQUEST Users List <equest-users at lists.onebuilding.org>
> *Sent:* Tue, April 19, 2011 12:40:08 PM
> *Subject:* Re: [Equest-users] OA hourly data
>
> 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
>>
>
>
>


-- 
--------------------------------------------------------------------------------
Rohini Brahme, Ph.D. LEED AP
Building energy analysis, tool development, and training
Dallas/Fort Worth, TX
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