[Equest-users] Modelling DOAS - An eQUEST newbie

[Carol Gardner]

Steven,

Read this and search the eQUEST-users archives accessible on the
Onebuilding.org website.

Good luck,

Carol

On Fri, Feb 18, 2011 at 10:35 AM, Steven Burley <steve.burley at csa-eng.biz>wrote:

>   Hi, all
>
> I am new to eQUEST and find myself in the position of having to learn the
> software and produce a result in the next couple of days. I am sure that
> many if not all of my queries have been asked and answered before but I am
> new to the mailing list also so I would appreciate any pointers to previous
> posts.
>
> The building I am trying to model is a staff accommodation in a theme park
> in Abu Dhabi, UAE. The main thing I am struggling with is modelling the HVAC
> systems. The building has VRV split systems deal with the cooling load and a
> separate DX AHU supplying the fresh air (or DOAS) with a thermal wheel for
> heat recovery.
>
> As best as I can tell, the way to model this is to create a “dummy” space
> served by the DOAS (in this case Sys1, a PSZ) and then setting the other
> spaces (which have a PTAC, Sys2) “Outside Air from System:” to Sys1. I have
> created a very simple model to try this out with limited success (Sys1 has
> the correct airflow) but there are too many anomalies for me to think I’ve
> got it right. Is there a “How-To” or similar that will help me?
>
> I have tried searching the list archives but but couldn’t find a definitive
> answer and time is running out.
>
> Regards,
>
> Steve Burley
>
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-- 
Carol Gardner PE
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