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Re: [EnergyPlus_Support] Re: Compact PTHP expanding issues



Check your thermostat control type schedule. It should be set to 4 for 
dual setpoint thermostats.

  ZONE CONTROL:THERMOSTATIC,
    SPACE1-1 Thermostat,     !- Thermostat Name
    SPACE1-1,                !- Zone Name
    ZONE CONTROL TYPE SCHED, !- Control Type SCHEDULE Name
    Dual Setpoint with Deadband,  !- Control Type #1
    SPACE1-1 DualSPSched;    !- Control Type Name #1

SCHEDULE:COMPACT,
    ZONE CONTROL TYPE SCHED, !- Name
    CONTROL TYPE,            !- ScheduleType
    Through: 12/31,          !- Complex Field #1
    For: Alldays,           !- Complex Field #2
    Until: 24:00,            !- Complex Field #3
    4.00;                    !- Complex Field #4

  DUAL SETPOINT WITH DEADBAND,
    SPACE1-1 DualSPSched,    !- Name
    Htg-SetP-Sch,            !- Heating Setpoint Temperature SCHEDULE Name
    Clg-SetP-Sch;            !- Cooling Setpoint Temperature SCHEDULE Name



anarui.oliveira wrote:
>
> Thank you.
> > > Also, after correcting all the initial errors, although the zone
> in question has a scheduled cooling setpoint of 25ºC and a scheduled
> heating setpoint of 20ºC, the model seems to be trying to control the
> zone to a single setpoint of 20ºC at the early months of the year...
> and turning on in cooling mode unnecessarily before zone temperature
> reaches 25ºC...
> > > Any idea what I should be double checking here to avoid this?
> Ana.
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> <mailto:EnergyPlus_Support%40yahoogroups.com>, Linda Lawrie <linda@...>
> wrote:
> >
> > The basic problem has been corrected by uploading a new
> ExpandObjects.exe
> >
> > File : /Release_pieces/ExpandObjects.exe
> > Description : ExpandObjects updated to reflect problems in
> > expanding object: COMPACT HVAC:ZONE:PTHP.
> >
> > You can access the file at the URL:
> >
> http://groups.yahoo.com/group/EnergyPlus_Support/files/Release_pieces/ 
> <http://groups.yahoo.com/group/EnergyPlus_Support/files/Release_pieces/>
> ExpandObjects.exe
> >
> >
> > In your case, however, you will need to delete some of the Compact
> > expansion you seem to have left in the file:
> >
> > Compact Any Number (Schedule Type)
> > and
> > COMPACT HVAC-ALWAYS 1
> > COMPACT HVAC-ALWAYS 4
> > (above 2 are schedules).
> >
> > The ExpandObjects program does not scan the input file and make
> sure
> > the schedules or scheduletypes it creates are unique.
> >
> > Linda
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>  

-- 
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

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