# [Equest-users] Curve Fit

Tue Jul 29 10:22:10 PDT 2008

```It looks like these curves are based on return and supply temperature.
I've read in the DOE2.2 help file that the HIR-FT curve should be based
on supply temperature and boiler room ambient temperature.

The Weidt Group

________________________________

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Kevin
Kyte
Sent: Tuesday, July 29, 2008 10:49 AM
To: 'Mike Karpman'; 'Patrick Darby'; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Curve Fit

Here are a couple that worked out for me.  Please check them for
accuracy, I have noticed some nice lovely savings with the curves.  We
might as well have an industry standard database where people can get
schedules, materials, part load curves, and many other inputs that are
frequently used in bldg-sim.  I think it may be nice to have a site to

"Aerco-BMK-3.0 GWB" = CURVE-FIT

INPUT-TYPE       = DATA

INDEPENDENT-1    = ( 80, 80, 100, 100, 120, 120, 140, 140, 160 )

INDEPENDENT-2    = ( 100, 120, 120, 140, 140, 160, 160, 180, 180 )

DEPENDENT        = ( 1.024, 1.041, 1.057, 1.067, 1.099, 1.112, 1.136,

1.14,

1.145 )

..

"Aerco-MLX" = CURVE-FIT

INPUT-TYPE       = DATA

INDEPENDENT-1    = ( 80, 80, 100, 100, 120, 120, 140, 140, 160 )

INDEPENDENT-2    = ( 100, 120, 120, 140, 140, 160, 160, 180, 180 )

DEPENDENT        = ( 1.03, 1.078, 1.058, 1.109, 1.101, 1.134, 1.136,

1.143,

1.149 )

..

Kevin Kyte, EIT, LEED AP

RobsonWoese, Inc.

(T) 716-636-1800 x211

(F) 716-636-1856

http://robsonwoese.com <http://robsonwoese.com/index.php>

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Mike
Karpman
Sent: Tuesday, July 29, 2008 10:40 AM
To: 'Patrick Darby'; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Curve Fit

I created the same error message a while back and was never able to fix
it, has anyone figured this out?

Thanks,

Mike Karpman

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Patrick
Darby
Sent: Monday, July 28, 2008 4:31 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Curve Fit

Hello,

I somehow created this error message and don't know how to get rid of
it, can anyone help?

Curve Fit

unknown/invalid component name

&D was referenced on line 5228 but never defined

There is no error managing window, and this error appeared after I
modified the Heat Input ratio performance curve for a Boiler.

Thank you,

Patrick Darby, BScE

Mechanical Engineering Services

The Walter Fedy Partnership

Phone: 519-576-2150 x271
Fax: 519-576-5499
Web: www.twfp.com <http://www.twfp.com/>

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