Also remember that the night cycle manager doesn't turn off based on zone temp, it uses a timer.
On 6/23/2011 5:09 PM, Jean marais wrote:
Nightmanager is a good idea. I always forget that it also works when the sun shines. DemandManager sounds interesting...I'll check the docs, along with type 1 and 2.
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Jason Kirkpatrick <jason.alan.kirkpatrick@...> wrote:
>
> Also you should look into DemandManager:Thermostats
>
> This appears to be setup for exactly what you're trying to simulate,
> although I have never used it myself.
>
>
>
> On Thu, Jun 23, 2011 at 3:15 PM, Jason Kirkpatrick <
> jason.alan.kirkpatrick@...> wrote:
>
> > I think that you can achieve this with a AvailabilityManager:Nightcycle
> > object
> >
> > Set the thermostat setpoint to 23 deg C, have the HVAC System Operation
> > Schedule set to always off
> >
> > Use 2 deg C as your thermostat tolerance and set the control type to
> > CycleOnAny
> >
> > This should make you cooling system stay off until zone temp = 25 deg C and
> > then system comes on to cool until 23 deg C
> >
> >
> >
> >
> >
> > On Thu, Jun 23, 2011 at 1:06 PM, YuanLu Li <yli006@...> wrote:
> >
> >> **
> >>
> >>
> >>
> >> I thought type 1 or 2 thermostat control would give you the set back as
> >> you discribed.
> >> Dr. Li
> >>
> >>
> >>
> >>
> >> ------------------------------
> >> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> >> From: jeannieboef@...
> >> Date: Thu, 23 Jun 2011 04:16:09 +0000
> >> Subject: [EnergyPlus_Support] Re: Thermostat Float/Throttling Range
> >>
> >>
> >>
> >>
> >> Generally, you are correct (not possible) although I have been able to
> >> mimic this type of control using EMS. I used negative process loads to cool
> >> a space which I turned on at the upper bound temp and off at the lower bound
> >> temp after checking that there is no heating on at the same time. Basically
> >> EMS allows little IF statements which are called during the normal
> >> simulation. It's a very nice part of e+.
> >>
> >> You can manipulate a few object types including schedules, outputs, etc.
> >> Check out the EMS documentation.
> >>
> >> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "moe_wilensky" <moe_wilensky@>
> >> wrote:
> >> >
> >> > From my initial look around this forum it would seem that on is unable
> >> to define a Thermostat Float/Throttling Range in Energy plus. Is this still
> >> the case?
> >> >
> >> > For example , I want the cooling to kick on at 25, run until the temp is
> >> 23 and then turn off until the temp drifts back up to 25. is it possible to
> >> define the 2 degrees float on top of my 23 degree set point?
> >> >
> >> > Thank you in advance for your time.
> >> >
> >> > -Will
> >> >
> >>
> >>
> >>
> >>
> >
> >
>
-- 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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