[Equest-users] outside air flow during unoccupied/setback hours

[R B]

I should have written min OA sch (at the OA tab, system level) instead of
the min sch at the zone level. Thanks to Ramana for pointing this out.
-Rohini

On Tue, Apr 24, 2012 at 11:54 AM, R B <slv3sat at gmail.com> wrote:

> I normally have a min sch specified at the zone level - 0 for unoccupied
> hours and -999 for other hours that takes care of this comment.
> There is an hourly report for fan coming on during night cycle flag (or
> something similar). If you do not have the fan coming on or do not have the
> night cycle control, you should be ok. You can also look at the hourly
> report for OA ratio and whether fan is on/off during the unoccupied time.
> -Rohini
>
>
>
> On Tue, Apr 24, 2012 at 11:23 AM, Ramana Koti <ramana.koti at gmail.com>wrote:
>
>> Dear All,
>>
>> One of the LEED review comments on a university building project I'm
>> working on suggests to verify that all systems in baseline and proposed
>> models contain zero outside air flow when fans are cycled on to meet
>> setback temperatures during unoccupied hours.
>>
>> What is the best way to go about verifying this? In the 'Hourly Report
>> Block' options under a system, I find 'Hourly summed zone OA CFM for DCV
>> calculation (cfm)' and 'Hourly max zone OA/total flow for DCV calculation
>> (cfm/cf/). Is one or both of these options under an hourly report, the way
>> to go or is there a better way of doing it?
>>
>> Thanks,
>> Ramana.
>>
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