[Equest-users] CHW error message
Varkie C Thomas
thomasv at iit.edu
Thu Dec 15 15:19:59 PST 2011
Attached is an article on cold air distribution. UW-Madison-Extension used to have a course on this.
----- Original Message -----
From: James Hansen <JHANSEN at ghtltd.com>
Date: Thursday, December 15, 2011 4:42 pm
Subject: RE: [Equest-users] CHW error message
> 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.
>
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> James Hansen, P.E., LEED AP
> Senior Associate
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> Arlington, VA 22201-4749
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> From: equest-users-bounces at lists.onebuilding.org
> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of
> VarkieC 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
> lookedfor 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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> Thank you.
>
>
>
>
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