[BLDG-SIM] LEED and evap chillers
Vikram Sami
VSami at lasarchitect.com
Wed Jul 5 11:10:33 PDT 2006
I think Appendix G in 90.1-2004 allows you to change your base system
(as far as I understand). Table G.3.1.1.A lists baseline system types to
be used.
Vikram Sami, LEED AP
Direct Phone 404-253-1466 | Direct Fax 404-253-1366
LORD, AECK & SARGENT ARCHITECTURE
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-----Original Message-----
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of
wmclaughlin
Sent: Wednesday, July 05, 2006 1:35 PM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] LEED and evap chillers
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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>
> =========================================================
> Jason Glazer, P.E. jglazer AT gard DOT com 847 698 5686 GARD
> Analytics - http://www.gard.com/
> 1028 Busse Highway, Park Ridge, IL 60068 Building Energy Simulation
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>
>
>
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