Re: [EnergyPlus_Support] Re: error running Chiller plant

thanks

On Wed, Jul 4, 2012 at 10:52 AM, MÃ¡rio <mneves32@xxxxxxxxx> wrote:

Hello,

What kind of pumps, are you using?
What is your pump head set to?
How are you controling the pump operation?

Sometimes when I get these kind of errors in the cooling plant it´s because of the pumps.

Best

MN

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Edwin Lee <leeed2001@...> wrote:
>
> Are you getting any other errors or warnings? Looks like the loop is out
> of control. Some more information on your loop is really needed to
> identify the problem.
>
> Edwin
>
> On Wed, Jul 4, 2012 at 10:37 AM, Javed Iqbal <eee.javed@...> wrote:
>
> > **

> >
> >
> > Hi All,
> >
> > I am getting following warning.What could be the possible reason? I am
> > trying to model central plant with VAV.
> >
> > Thanks!
> >
> > ** Warning ** GetDensityGlycol: Temperature out of range (too high) for
> > fluid density
> > ************* ** ~~~ ** This error occurred 106213 total times;
> > ************* ** ~~~ ** during Warmup 0 times;
> > ************* ** ~~~ ** during Sizing 0 times.
> > ************* ** ~~~ ** Max=173.136908 {C} Min=100.001832 {C}
> > *************
> > ************* ** Warning ** Plant loop exceeding upper temperature
> > limit, PlantLoop="HOT WATER LOOP HOT WATER LOOP"
> > ************* ** ~~~ ** This error occurred 95517 total times;
> > ************* ** ~~~ ** during Warmup 0 times;
> > ************* ** ~~~ ** during Sizing 0 times.
> > ************* ** ~~~ ** Max=173.15264
> > *************
> > ************* ** Warning ** GetSpecificHeatGlycol: Temperature out of
> > range (too high) for fluid specific heat
> > ************* ** ~~~ ** This error occurred 3928457 total times;
> > ************* ** ~~~ ** during Warmup 0 times;
> > ************* ** ~~~ ** during Sizing 0 times.
> > ************* ** ~~~ ** Max=173.195998 {C} Min=125.004998 {C}
> > *************
> > ************* ** Warning ** CoolingTower:VariableSpeed "MAIN TOWER" -
> > Tower approach temperature is out of range error continues...
> > ************* ** ~~~ ** This error occurred 21 total times;
> > ************* ** ~~~ ** during Warmup 0 times;
> > ************* ** ~~~ ** during Sizing 0 times.
> > ************* ** ~~~ ** Max=1.093516 Min=0.36124
> > --
> >
> >
> > Javed Iqbal, LEED AP, CEA
> > Energy Analyst
> >
> >
> >
> >
> >
> > --
> >
> >
> > Javed Iqbal, LEED AP, CEA
> > Energy Analyst
> >
> >
> >
> >
>
>
>
> --
> Edwin Lee
> Doctoral Candidate, Oklahoma State University
> ASHRAE Student Member, *Former* ASHRAE OSU Student Branch President
> Office: ATRC 303: 405-744-3727
>

Javed Iqbal, LEED AP, CEA

Energy Analyst