[EnergyPlus_Support] Re: No Temperature Control

["civilnug" <civilnug@xxxxxxxxx>]

Thank you for the help Mike, it's very much apreciated.

John.


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J. Witte" 
<mjwitte@g...> wrote:
> 1.  SET POINT MANAGER:SINGLE ZONE MAX HUM is placing a set point 
on node "AHU1 
> Humidifier Outlet Node", but the cooling coil contoller's control 
node is "AHU1 
> Fan Outlet Node".  The max hum set point must be place on the same 
node "AHU1 
> Fan Outlet Node".
> 
> 2.  SINGLE DUCT:VAV:NOREHEAT will not modulate the air volume flow 
rate to the 
> zone for heating control.  It only controls for cooling.  If you 
want variable 
> volume heating, then use SINGLE DUCT:VAV:REHEAT with Damper 
Heating Action set 
> to Reverse Action.
> 
> I would suggest turning on report variables for "System Node 
Temp", "System 
> Node Humidity Ratio", "System Node Setpoint Temp", "System Node 
Humidity Ratio 
> Min", "System Node Humidity Ratio Max", and "System Node 
VolFlowRate" for key 
> nodes in the system to observe how the system is responding to the 
controls.
> 
> Mike
> 
> 
> On 8 Jun 2005, at 10:52, civilnug wrote:
> 
> > Hi Mike,
> > 
> > This is my first attempt at an idf and its not working out for 
me. I 
> > can't seem to get control of the heating and cooling coil. Its 
for a 
> > very tightly controlled gallery storage area, which is supposed 
to 
> > have an RH of 50% +/- 5%. I have put the idf into the problems 
folder, 
> > it's called, AHU1_AirLoop_PurchasedPlant_V1.idf, any help would 
be 
> > greatly appreciated.
> > 
> > Thanks,
> > John McCarthy.
> > 
> > 
> > 
> > 
> > 
> > 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@g...




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