Re: [EnergyPlus_Support] SimHVAC Max Iterations Exceeded - Exh Fan?

[Linda Lawrie <linda@xxxxxxxxxx>]

At 02:43 PM 10/5/2006, Linda Lawrie wrote:

>There are a couple of problems in this input file that should concern you:
>
>1) Loads Initialization does not converge.
>     I took out the system from the input file and this problem went
>away -- this would imply that the problem is in the system definition
>and the zone temperatures keep getting warmer and warmer (or colder
>and colder) and not converging.

Here, you have specified a temperature convergence tolerance of .004 
vs our suggested value of .4

.004 means that the successive temperatures between two warmup days 
must be within .004 deg C before it is "converged".  Changing this to 
the default may also help.


Linda

EnergyPlus WebSite: http://www.energyplus.gov
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Member: EnergyPlus Development Team



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