[Equest-users] CHW error message

Varkie C Thomas thomasv at iit.edu
Thu Dec 15 14:22:54 PST 2011


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

----- Original Message -----
From: Kelsey VanTassel <KVanTassel at sustaineng.com>
Date: Thursday, December 15, 2011 3:24 pm
Subject: RE: [Equest-users] CHW error message
> Either your supply air temperature is set too low or your chilled 
> water supply temperature is set too high. 
> 
> Kelsey Van Tassel 
> Project Engineer | 
> kvantassel at sustaineng.com<mailto:kvantassel at sustaineng.com>608.836.4488 ext. 20 | Fax: 608.836.4477 
> [cid:image001.jpg at 01CCBB3D.A32C4B50] 
> Sustainable Engineering Group 
> 901 Deming Way, Suite 201 
> Madison, WI 53717 
> www.sustaineng.com<http://www.sustaineng.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 3:27 PM 
> To: equest-users at lists.onebuilding.org 
> Subject: [Equest-users] CHW error message 
> 
> 
> What causes the error below? The CHW input used all eQUEST 
> defaults.  The bldg is high-rise residential. The systems used 
> defaults also (4-pipe FCU). Varkie Thomas 
> 
> pro Maslak sim                                                     
>             DOE-2.2-47h2  12/15/2011    15:03:51  BDL RUN  7 
> 
> 
> 
> REPORT- ATTN Simulation Messages For Review HVAC        Program    
>                         WEATHER FILE- EPW ISTANBUL,-,TUR 
> 
> ------------------------------------------------------------------- 
> -------------------------------------------------------------- 
> 
> 
> 
> 
> 
> ***ERROR*********************************************************************** 
> 
>             In EL1 Sys1 (FC)                   , cooling coil 
> leaving temperature must 
> 
>             be at least 6F higher than entering water temp. 
> 
> 
> 
> ***ERROR*********************************************************************** 
> 
>             In EL1 Sys1 (FC)                   , cooling coil 
> leaving temperature must 
> 
>             be at least 6F higher than entering water temp. 
> 
> 
> 
> ***ERROR*********************************************************************** 
> 
>             In EL1 Sys1 (FC)                   , cooling coil 
> leaving temperature must 
> 
>             be at least 6F higher than entering water temp. 
> 
> 
> 
> ***ERROR*********************************************************************** 
> 
> 
> 
> 
> 
> 
> 
> 
> 
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