[Equest-users] OA hourly data

R B slv3sat at gmail.com
Tue Apr 19 10:59:47 PDT 2011


I changed it to 0.01. No change in the results. Also the default at zone
level is 0.
-Rohini
On Tue, Apr 19, 2011 at 12:06 PM, Haddad, Kamel <
Kamel.Haddad at nrcan-rncan.gc.ca> wrote:

>  Rohini, I meant to indicate to use the smallest number that is > 0. A
> zero value will make DOE-2 use the default.
>
> 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 12:40
> *To:* eQUEST Users List
> *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
>>
>
>
>
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