[Equest-users] Fan Motor Efficiency Change

[John Aulbach]

Thank you, Jeremy. By "plug and chug", that seemed to be the Parameter that 
changed in running a test building through Standard, High, and Premium 
Efficiency.

Wouldn't it be nice if some of this stuff was discussed more in the Manuals ??

John




________________________________
From: Jeremy McClanathan <jmcclanathan at CDiengineers.com>
To: John Aulbach <jra_sac at yahoo.com>; Demba Ndiaye <Demba.Ndiaye at setty.com>; 
"equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
Sent: Wed, July 28, 2010 10:56:45 AM
Subject: RE: [Equest-users] Fan Motor Efficiency Change

 
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
P 425-672-1071 | F 425-778-8769 
PPlease consider the environment before printing this email.
 
 
 
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

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