[Equest-users] GSHP-Extreme Temperatures

[Nick Caton]

The one time I dealt with extreme GSHP temperatures, I believe the cause was rooted in the need to manually enter some of the fields that determine flow and/or pump sizing for the GLHX/loop.  Notably however, they were not this extreme, and while they did occur within the first month, it was not on the first hour of the first day of the first month...  I would suggest to at least review those fields that might, incorrectly entered, cause you to have zero to low flow in the loop.



NICK CATON, E.I.T.
PROJECT ENGINEER
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-----Original Message-----
From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of John Aulbach
Sent: Monday, August 10, 2009 2:13 PM
To:; HassanZareh
Subject: Re: [Equest-users] GSHP-Extreme Temperatures

Are you putting in the right number of wells??

--- On Mon, 8/10/09, Zareh, Hassan <Hassan.Zareh at stantec.com> wrote:

> From: Zareh, Hassan <Hassan.Zareh at stantec.com>
> Subject: [Equest-users] GSHP-Extreme Temperatures
> To: equest-users at lists.onebuilding.org
> Date: Monday, August 10, 2009, 11:44 AM
> 
> Stantec
>  
> 
> #yiv1026167879
> {MARGIN-TOP:25px;FONT-SIZE:10pt;MARGIN-LEFT:25px;COLOR:#000000;FONT-FAMILY:Arial;}
> 
> 
>  
>  
> Hi All,
> I'm modeling a
> health care facility and the 
> HVAC system is GSHP. Each time that I run the model, it
> gives me warning about 
> the following errors: 
> Ground-loop HX: GLHX (VertWell-CM) 
> is undersized for the load and is producing an
> extreme
> temperature of -388F. Mon/Day/Hr: 1/ 1/ 1
>  
> OR
> Ground-loop HX: GLHX (VertWell-CM) 
> is undersized for the load and is producing an
> extreme
> temperature of 351F. Mon/Day/Hr: 1/ 1/
> 1
>  
> Anybody has any ideas 
> what's the reason for these extreme
> temperatures?
> Thanks in 
> advance.
>  
> Hassan Zareh, 
> M.Eng., P.Eng., LEED® AP
> Project Engineer
> Stantec Consulting 
> Ltd.
> 100 - 401 Wellington Street West
> Toronto ON M5V 
> 1E7
> Ph: (416) 598-7642
> Fx: (416) 596-6680
> hzareh at stantec.com 
> 
> stantec.com 
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