[Equest-users] CHW error message

[James Hansen]

Does anyone know if there is a way to bypass or ignore this error?  I've
worked on a few projects recently where we've been able to get close to
a 46 degree LAT from an AHU with 42 degree water.  Not a big deal I
guess, but it would be nice to be able to be only 4 degrees above CHW
temp.

 

GHT Limited
James Hansen, P.E., LEED AP
Senior Associate
1010 N. Glebe Road, Suite 200
Arlington, VA  22201-4749
703-243-1200 (office)

703-338-5754 (cell)
703-276-1376 (fax)

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

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Varkie
C Thomas
Sent: Thursday, December 15, 2011 5:44 PM
To: Robby Oylear
Cc: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] CHW error message

 

Robby: This project is being done by an architect who used DD.  I looked
for the error in CHW plant and forgot to look at HVAC supply temps.  I
was mistaken, the Detailed Edit does allow you to set CHWS temp but not
SD and DD.  Varkie



----- Original Message ----- 

From: Robby Oylear <robbyoylear at gmail.com> 

Date: Thursday, December 15, 2011 4:29 pm 

Subject: Re: RE: [Equest-users] CHW error message 

> Whoops, here's the image I meant to send with the detailed edit 
> screen:[image: image.png] 
> 
> On Thu, Dec 15, 2011 at 2:29 PM, Robby Oylear 
> <robbyoylear at gmail.com> wrote: 
> 
> > Varkie, 
> > 
> > On wizard screen 3 of 3 under "CHW Plant Equipment" the setpoint is 
> > defined.  The default is 44 deg F. 
> > 
> > [image: image.png] 
> > 
> > In detailed edit mode this setpoint can be seen on the 
> "Circulation Loop 
> > Properties" screen: 
> > [image: image.png] 
> > 
> > On Thu, Dec 15, 2011 at 2:22 PM, Varkie C Thomas 
> <thomasv at iit.edu> wrote: 
> > 
> >> Kelsey, Robby, 
> >> 
> >> Thanks.  The supply air temp was too low.  What CHWS temp does 
> eQUEST>> assume?  This should be an input value too, besides temp 
> rise.>> 
> >> Varkie 
> >> ** 

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