[Equest-users] eQuest Users - hydronic question

[Tomlinson, Scott]

Wow, my embarrassment of overlooking that is only surpassed by my happiness of the fix being so easy.  Thank you both Bill and Michael.

From: Bishop, Bill [mailto:wbishop at pathfinder-ea.com]
Sent: Friday, May 28, 2010 9:19 AM
To: Tomlinson, Scott; Daniel Deese; equest-users at lists.onebuilding.org
Subject: RE: [Equest-users] eQuest Users - hydronic question

Scott,

Be aware that the eQUEST input fields that say "MBtu/h" are millions, not thousands, of Btu/h. So a typical boiler capacity might be entered as 1.0, not 1,000.

Regards,
Bill

William Bishop, EIT, BEMP, LEED® AP | Pathfinder Engineers & Architects LLP
Mechanical Engineer

134 South Fitzhugh Street
Rochester, NY 14608
T: (585) 325-6004 Ext. 114
F: (585) 325-6005
wbishop at pathfinder-ea.com
www.pathfinder-ea.com
P May is National Bike Month. Bike to Work Day May 21st.
________________________________
From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Tomlinson, Scott
Sent: Friday, May 28, 2010 8:53 AM
To: Daniel Deese; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] eQuest Users - hydronic question

Daniel,

Thanks for the reply.  My input ratios are right.  If I allow autosizing my results are reasonable.  The only thing I change is adding capacities and my results just go nuts.


-          Scott

From: Daniel Deese [mailto:Daniel.Deese at crbusa.com]
Sent: Thursday, May 27, 2010 3:57 PM
To: Tomlinson, Scott; equest-users at lists.onebuilding.org
Subject: RE: [Equest-users] eQuest Users - hydronic question

Scott,

            Be sure to check your Heat Input Ratios (HIR) and your Electric Input Ratios (EIR).  For a chiller, if your COP is 5.0, your EIR would be 0.2.  For a boiler, if your efficiency is 80%, then your HIR is 1.25.  If I'm wrong, someone correct me, but I had a huge heat rejection load one time only to find out that my EIR for the chiller was 1.2, instead of 0.2.  thanks.

daniel

Daniel I. Deese, EI| CRB Consulting Engineers |
1255 Crescent Green, Suite 350 | Cary, NC 27518 |
P: 919-852-5443 | F: 919-852-5454 | X: 4543
Email: daniel.deese at crbusa.com<mailto:daniel.deese at crbusa.com>
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From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Tomlinson, Scott
Sent: Thursday, May 27, 2010 1:05 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] eQuest Users - hydronic question

Dear eQuesters,

Whenever I try to add equipment capacities to anything hydronic, be it a boiler, chiller, or anything else, my energy consumption goes absolutely crazy.  Is anyone else experiencing this?


-          Thank you,

__________________________________________

Scott Tomlinson, PE, LEED-AP

Mechanical

Symmes Maini & McKee Associates, Inc.

1000 Massachusetts Avenue, Cambridge, MA 02138

t: 617.520.9438

[cid:image001.jpg at 01CAFE47.6F78EED0]



f: 617.354.5758

stomlinson at smma.com<mailto:STomlinson at smma.com>

www.smma.com<http://www.smma.com/>



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