[Equest-users] Chiller AND Central CHW Plant

[Michael Wilson]

Couldn't you just specify a second chiller to represent the central plant,
and then schedule it according to the season? You can schedule the chillers
using load management. 

 

 

Michael Wilson, P.Eng., Enerficiency Consulting

PO Box 1911 - 458 Abbs Rd., Gibsons, BC  V0N 1V0    |    604-886-9864    |
www.enerficiency.ca

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Jason L.
Curtis
Sent: March-09-12 6:32 AM
To: 'equest-users at lists.onebuilding.org'; 'Mike Oliver'
Subject: Re: [Equest-users] Chiller AND Central CHW Plant

 

Thank you for the advice. That is a good idea.  Does anyone know how to add
a second cooling coil in an AHU in eQuest?  I was not aware that there was a
way to do that.

 

Thanks again!

 

 

Jason Curtis, Mechanical Engineer I BVH Integrated Services, Inc.

50 Griffin Road South, Bloomfield, CT 06002 I 860.286.9171 

One Gateway Center, Suite 701, Newton, MA 02458 I 617.658.9008 

 <http://www.bvhis.com/> bvhis.com I twitter.com/bvhis 

 

From: Mike Oliver [mailto:moliver at aroraengineers.com] 
Sent: Thursday, March 08, 2012 6:20 PM
To: Jason L. Curtis
Subject: RE: [Equest-users] Chiller AND Central CHW Plant

 

What if you specified a new coil in each AHU for the remote central plant?
Completely separate loops, scheduled not to operate at the same time?
Potentially might complicate the fan horsepower, but should be manageable.

 

Just a thought.

 


cid:image001.jpg at 01CBEEF3.08329F30

Michael W. Oliver, P.E. | Mechanical Dept. Mgr., 

Arora Engineers, Inc. | 61 Wilmington-West Chester Pike, Suite 100, Chadds
Ford, PA 19317

Tel 610.459.7941 Fax 610.459.7960 Mobile 484.880.0373 

Web   <http://www.aroraengineers.com/> www.aroraengineers.com 

 


 

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From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Jason L.
Curtis
Sent: Thursday, March 08, 2012 6:04 PM
To: 'equest-users at lists.onebuilding.org'
Subject: [Equest-users] Chiller AND Central CHW Plant

 

I have a building that uses an on-site chiller during the summer months, but
uses chilled water from a central plant for small dehumidification loads
during the winter and shoulder seasons.  Both sources of CHW serve the same
coils in AHUs.  Does anyone know how to model this????

 

My issue is that I cannot apply operating schedules to chillers or to CHW
meters!

 

Responses are much appreciated!!

 

Jason Curtis, Mechanical Engineer I BVH Integrated Services, Inc.

50 Griffin Road South, Bloomfield, CT 06002 I 860.286.9171 

One Gateway Center, Suite 701, Newton, MA 02458 I 617.658.9008 

 <http://www.bvhis.com/> bvhis.com I twitter.com/bvhis 

 

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