[BLDG-SIM] LEED and evap chillers
wmclaughlin
wmclaughlin at dmiinc.com
Wed Jul 5 10:34:53 PDT 2006
I think you're right. The problem with that is that it provides no incentive with respect to EAcr1 to go with a more efficient evaporatively-cooled chiller if you've already decided not to pursue a fully water-cooled option (due to first-cost constraints, space limitations, etc.).
Would this be arguable in a CIR?
Thanks,
Wade
> -------Original Message-------
> From: Jason Glazer <jglazer at gard.com>
> Subject: Re: [BLDG-SIM] LEED and evap chillers
> Sent: 05 Jul '06 12:18
>
> Wade,
>
> According to 90.1-2004 Figure 11.3.2 HVAC System Map, note
> 1:
>
> "water" if the proposed design is water or evaporatively
> cooled...
>
> So the answer, I believe, is water cooled.
>
> Jason
>
> On 5 Jul 2006 at 12:11, wmclaughlin wrote:
>
> > This may have been covered in a previous thread, but I'm
> > away from my email archive at the moment.
> >
> > Regarding LEED modeling with respect to the ASHRAE ECB/DEC
> > method: Does anyone have a sense of whether an
> > evaporatively-cooled chiller is considered air- or
> > water-cooled? It makes a considerable difference to the
> > modeling of the ECB (base case), and thus to the evaluated
> > savings.
> >
> > Thanks,
> >
> > Wade McLaughlin
> > Demand Management Institute
> >
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