[Equest-users] FC+DOAS

[Arpan Bakshi]

One implied detail in Joe's description is setting up a dummy space and
assigning it to the dummy zone.



On Thu, Apr 14, 2011 at 9:03 AM, Joe Fleming
<joe at thespinnakergroupinc.com>wrote:

> Search DOAS in the user archives and you will find a *bunch* of
> discussions on this topic.
>
>
>
> First you need to be in detailed mode, for some reason the DOE engine
> (maybe just eQuest), doesn’t have the skills to make a dedicated outdoor air
> system as a drop down selection.
>
>
>
> Next, what is the supply air temperature entering the zones from the DOAS?
> Cold?  Room temperature? Hot?
>
> What is the process that the DOAS goes through to get the leaving air
> temperature at set-point?
>
>
>
> Typically, you need to create a “dummy space” and assign it to a “dummy
> zone” then assign your first system to this zone.  If you already created
> systems you can always open your .inp file and cut and paste the DOAS to the
> top of the systems list so that it will become your first system.  Go ahead
> and assign all of the outside air to your DOAS “dummy zone” and then choose
> outside air from system for all of the systems that this DOAS serves.   It
> will only be able to find OA from systems above it on the component tree, so
> make sure your DOAS is at the top.
>
>
>
> * *
>
> *Joe Fleming, E.I., LEED AP BD+C, BEMP*
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *tiejun hu
> *Sent:* Thursday, April 14, 2011 1:11 AM
> *To:* equest-users
> *Subject:* [Equest-users] FC+DOAS
>
>
>
> hi equesters
>
>             Dose anybody have experiences for FC+DOAS, in my modle, outdoor
> air processed by independent air-condition unit, then supplied to room
> directly, do not go through FC inlet. as far as i kown, outdoor air and
> return air combined process in FC in some countries,like below picturebut
> On the upper right corner,i see an outdoor air fan, is it an DOAS? if so
> ,how to realize it in equest? and how to set in the tab "OA FROM SYSTEM"?
>
>  any words will be appreciated!
>
>
> yours sincere
>
>
>
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-- 

*
*
*

Arpan Bakshi  LEED AP BD+C
*
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