Re: [EnergyPlus_Support] Question: System Sizing

["Michael J. Witte" <mjwitte@xxxxxxxx>]

Do you have ZONE SIZING objects?  System sizing in EnergyPlus requires that 
zone equipment also be autosized.  If you have  ZONE SIZING object, check the 
reported zone design heating/cooling loads in the eio output file.  If these 
are all zero, then check you zone thermostat controls.

Mike


On 21 Apr 2004, at 11:57, zhen tian wrote:

> Hi, All:
> 
> I have a question for System Sizing. Because the simulation requires system
> sizing ( I use autosize option),  I setup the System Sizing. But there is always
> Error Report: " Fatal  ** Air Primary Loop 1 has no air flow"  in the system
> sizing. Actually all the input is similar to the Example files. So could
> someboby tell me what is pipoint problem?
> 
> Thanks. 
> 
> David Tian 
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx



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