[Equest-users] [Bldg-sim] Corrections to EIR, PLR and Cooling Capacity in Baseline Building

Matutinovic, Luka LMatutinovic at halsall.com
Wed Jun 24 13:42:07 PDT 2009


Does this issue not extend to all equipment, including boilers?  For all
the LEED users out there, does anyone know if the USGBC / ASHRAE specify
part-load performance of chillers and boilers?  If not, do you simply
use default eQuest curves, or do you use curves from manufacturers for
the actual equipment getting installed?  

Up here in Canada, modelling rules developed for our energy standard
(MNECB) specify the curves that have to be used in the reference
building.

Luka Matutinovic, B.A.Sc., LEED(r) AP
Green Building Consultant
 
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-----Original Message-----
From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of John
Aulbach
Sent: Wednesday, June 24, 2009 3:46 PM
To: bldg-sim at lists.onebuilding.org bldg-sim at lists.onebuilding.org;
equest-users at lists.onebuilding.org equest-users at lists.onebuilding.org;
eric wang
Subject: Re: [Bldg-sim] [Equest-users] Corrections to EIR,PLR and
Cooling Capacity in Baseline Building


Sir:

The only part load requirements in Appendix G is the VAV fans, to my
knowledge. The various Tables in 90.1-2004 have only maximum efficiency
standards, not part load.

The chillers have maximum and NPLV requirements. But I defy anyone to
come up with a chiller curve based on a single NPLV curve.

John Aulbach


      
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