[Equest-users] Fan Motor Efficiency Change

[Jeremy McClanathan]

I account for motor eff by changing the total eff, where total eff = motor eff * mech eff.  I believe the keyword for total eff in the inp file is SUPPLY-EFF for supply fans.

___________________________________________

Jeremy McClanathan, LEED® AP
CDi ENGINEERS
4200 194th St SW, Ste 200, Lynnwood, WA 98036
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From: John Aulbach [mailto:jra_sac at yahoo.com]
Sent: Wednesday, July 28, 2010 10:51 AM
To: Demba Ndiaye; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Fan Motor Efficiency Change

Thank you, Demba.

But this is for a PUMP. Not a FAN.

John

________________________________
From: Demba Ndiaye <Demba.Ndiaye at setty.com>
To: John Aulbach <jra_sac at yahoo.com>; "equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
Sent: Wed, July 28, 2010 10:39:34 AM
Subject: RE: [Equest-users] Fan Motor Efficiency Change
John,

In the INP, it is the “MOTOR-CLASS” input. You see in the INP something like:

FLOW             = 300
                NUMBER           = 1
                HEAD             = 80
                MECH-EFF         = 0.776
                MOTOR-CLASS      = HI-EFF
                CAP-CTRL         = ONE-SPEED-PUMP

_____________
Demba NDIAYE

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of John Aulbach
Sent: Wednesday, July 28, 2010 12:34 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Fan Motor Efficiency Change

I should know this one, but draw a blank.

The Wizard asks if you want Standard, Hi Efficiency, or Premium Efficiency motors for your fan system.

How do those show up in the .INP file? That will give me a clue as to what Parameters to modify for changing to PE motors.

Thanks.

John R. Aulbach, PE, CEM
Senior Energy Engineer
________________________________
Partner Energy
1990 E. Grand Avenue, El Segundo, CA 90245
W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745
www.ptrenergy.com<http://www.ptrenergy.com/> | jaulbach at ptrenergy.com<mailto:%7C%20jaulbach at ptrenergy.com>





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