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Re: [EnergyPlus_Support] Min and Max humidity control



> Thanks a lot for the tip! What if I try to control the zone for RH=50% min and
> max, can (should) I use a hmidifier and a cooling coil with humidity control?


Yes, this will work.  One humidistat, two set point managers.  Based on the 
signal from the humidistat, only one of the set point managers will be active 
in any given time step.

Mike


On 9 Nov 2005, at 2:51, Emanuel Sá wrote:

> Thanks a lot for the tip! What if I try to control the zone for RH=50% min and
> max, can (should) I use a hmidifier and a cooling coil with humidity control?
> 
> One other question, I've simulated a DX cooling coil, and it says in the 
> input/output reference that this kind of coil can also determine the 
> electrical consumptiom of the exterior condenser unit fan etc... I have a 
> air cooled exterior unit , the air flow is 2m^3/s, but when I change the air
> flow to a big value to see the changes in the electrical consumption, it does
> not change! Is this output working properly or did I make anything wrong?
> 
> Thanks once again, Emanuel
> 
> 
> ----- Original Message ----- 
> From: "Michael J. Witte" <mjwitte@xxxxxxxx>
> To: <EnergyPlus_Support@xxxxxxxxxxxxxxx>
> Sent: Wednesday, November 09, 2005 1:53 AM
> Subject: Re: [EnergyPlus_Support] Min and Max humidity control
> 
> 
> > At the current time, the only way to do this is to have at least 2 zones on
> > the system.  Use a humidistat in one zone to control max RH and put a
> > humidistat in another zone to control min RH.
> >
> > Mike
> >
> > On 7 Nov 2005, at 20:36, dust_broom wrote:
> >
> >> Dear all:
> >>
> >> I would like to know if its possible to model a system with both min
> >> and max humidity control, using a steam humidifier and a
> >> DXcoil. For example, min RH= 45% and Max RH = 55%
> >>
> >> Thank you, Emanuel
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> 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.
> >>
> >> EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the
> >> "search" button.
> >>
> >> Yahoo! Groups Links
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> > ========================================================
> > Michael J. Witte, GARD Analytics, Inc.
> > EnergyPlus Testing and Support
> > EnergyPlus-Support@xxxxxxxx
> >
> >
> >
> >
> >
> > 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.
> >
> > EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the
> > "search" button.
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> > 
> 
> 
> 
> 
> 
> 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.
> 
> EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the
> "search" button.
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> 






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