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Re: [EnergyPlus_Support] About the evaporator outlet temp of electric chiller

With dual setpoints, EnergyPlus would use the upper setpoint to control 
chillers, and the lower setpoint to control boilers.  EnergyPlus will not 
control chillers to float within a range as described below.

Mike


On 12 May 2005, at 6:39, energypluser wrote:

> Dear all:
> 
>    I set the chiller evaporator outlet node for the Loop Temperature 
> Setpoint Node in Plant-Condenser Loops. And the setpoint manager for 
> this node is a dual setpoint manager with the low and high scheduled 
> temperature at 7C and 13C for all days respectively.  
>   The purpose of using this setpoint manager is to let the chilled 
> water outlet temperature varies between the deadband. But the 
> simulation results show that the chiller supply temperature is 10C, 
> which is the average value of the upper and lower temperature limit.
>   Is E+ able to control the chiller water supply temperature in this 
> way? 
>   Thank you in advance!
> 
>                                         charlie
> 
> 
> 
> 
> 
> The primary EnergyPlus web site is found at:
> http://www.energyplus.gov
> 
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
> 
> Attachments are not allowed -- please post any files to the appropriate folder
> in the Files area of the Support Web Site.
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> 



========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx




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