You would have to use a humidifier for that. See Humidifier:Steam:Electric.
On 7/21/2011 3:30 PM, omarvelling wrote:
Ricahrd, thanks for your reply.
Can the unitary systems aslo be used for humidification and not only
dehumidification? The reason I'm asking is that I'm trying to emulate
the output of a Passive Downdraught Evaporative Cooler which causes a
decrease in dry bulb temperature but an increase in relative humidity.
For reasons that are beyond this message, both objects of the
ZoneCoolTower:Shower and Evaporative Coolers are not suitable for my
model.
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad
<RRaustad@...> wrote:
>
> The unitary systems can control humidity. Look for AC systems that
have
> this as an input. This is from the
AirLoopHVAC:Unitary:Furnace:HeatCool
> object.
>
> A14, \field Dehumidification Control Type
> \type choice
> \key None
> \key Multimode
> \key CoolReheat
> \default None
> \note None = meet sensible load only
> \note Multimode = activate enhanced dehumidification mode
> \note as needed and meet sensible load. Valid only with
> \note cooling coil type
> CoilSystem:Cooling:DX:HeatExchangerAssisted.
> \note This control mode allows the heat exchanger to be turned
> \note on and off based on the zone dehumidification requirements.
> \note A ZoneControl:Humidistat object is also required.
> \note CoolReheat = cool beyond the dry bulb setpoint.
> \note as required to meet the humidity setpoint. Valid with all
> \note cooling coil types. When a heat exchanger assisted cooling
> \note coil is used, the heat exchanger is locked on at all times.
> \note A ZoneControl:Humidistat object is also required.
>
>
> On 7/20/2011 5:53 PM, omarvelling wrote:
> >
> > Hi all,
> >
> > Is it possible to use a thermostat and humidistat in one zone
> > simultaneously? If so, what type of HVAC should be used? I'm not
> > concerned with the loads but only with the resulting internal
> > conditions of the zone and so an IdealLoadsAirSystem would have
worked
> > fine for me if only controlling the temperature was required.
However,
> > in my case, both temperature and relative humidity need to be
> > controlled. Can anyone help?
> >
> > Thanks a lot,
> > Omar
> >
> >
>
> --
> Richard A. Raustad
> Senior Research Engineer
> Florida Solar Energy Center
> University of Central Florida
> 1679 Clearlake Road
> Cocoa, FL 32922-5703
> Phone: (321) 638-1454
> Fax: (321) 638-1439 or 1010
> Visit our web site at: http://www.fsec.ucf.edu
>
> UCF - From Promise to Prominence: Celebrating 40 Years
>
-- Richard A. Raustad Senior Research Engineer Florida Solar Energy Center University of Central Florida 1679 Clearlake Road Cocoa, FL 32922-5703 Phone: (321) 638-1454 Fax: (321) 638-1439 or 1010 Visit our web site at: http://www.fsec.ucf.edu UCF - From Promise to Prominence: Celebrating 40 Years
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