Re: [EnergyPlus_Support] Rated air volume flow rate per watt of rated totalcooling capacity out of range

Dear Edwin Lee,

Thank you!

No, it doesn´t. The simulation really ceases and I can not continue the simulation.

For me it´s also strange, but I had other severe errors and the simulation continued fine.

I don´t know what is happening.

The only way that I think (and I will try) to continue simulating is to increase the air volume flow rate from 2,0 to 2,25 m3/s, but it wil be outside of the manufacturer limits; and I can not decrease the rated total cooling capactiy.

I don´t know what to do.

Adriano.

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

From: Edwin Lee

To: EnergyPlus_Support@xxxxxxxxxxxxxxx

Sent: Wednesday, December 03, 2008 3:39 PM

Subject: Re: [EnergyPlus_Support] Rated air volume flow rate per watt of rated totalcooling capacity out of range

Does the simulation continue to run fine? Even though this is a severe error, I don't think it will cause the simulation to cease, it is just letting you know that this was encountered during the sizing runs as it moves ahead with the simulation.

Edwin

On Wed, Dec 3, 2008 at 11:33 AM, Adriano Carotenuto <adriano.carotenuto@terra.com.br> wrote:

Dear All,

I am trying to simulate a thermal zone with Compact HVAC: Zone: PTHP by entering the data from the manufacturer catalogue: 56000 W rated total cooling capacity (gross) and 2,0 m3/s rated air volume flow rate.

But, when I run the simulation, comes up a severe error as listed below and the program stops running.

Severe ** Sizing: COIL:DX:COOLINGBYPASSFACTOREMPIRICAL "2O_PAV._ZONA1 PTHP COOLING COIL": Rated air volume flow rate per watt of rated total cooling capacity is out of range. See Input-Output Reference Manual for valid range.

According to manual, the range is between 0,00004027 and 0,0006041 m3/s/W.

The value of the manufacturer catalogue is 0,00003571 m3/s/W, below the Energyplus range.

Is there some way to "bypass" this error or to modify these limits in the program?

Please, I would appreciate if someone could help me in this question.

Thank you.

Adriano

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