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[EnergyPlus_Support] Re: Problem with EMS and controlling AirLoopHVAC System Availability
You could assign a schedule and then control the schedule.
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "rowan.blakers" <rblakers@...> wrote:
>
> Hello,
>
> I'm trying to use EMS to control a fan system based on outdoor air temperature and wind speed. The control logic is simple enough, but I keep getting an error when trying to run the simulation.
> "Invalid Actuated Component Type =AIRLOOPHVAC"
>
> I'm not sure why, but AirLoopHvac is not recognised as a valid actuator component type, and it does not appear in the .EDD file when I run a simulation without that particular control included.
>
> Can anyone help me understand why I cannot use AirLoopHVAC Availability as an actuator here, and why it is not appearing in the .EDD file either??
>
> I've included what is hopefully enough of the relevant code. The entire input file is too big to copy here.
>
> ============================================================
> AirLoopHVAC,
> RoofVent1 Fan System, !- Name
> , !- Controller List Name
> RoofVent Availability List, !- Availability Manager List Name
> 7.14, !- Design Supply Air Flow Rate {m3/s}
> RoofVent1 Air Loop Branches, !- Branch List Name
> , !- Connector List Name
> RoofVent1 Supply Inlet Node, !- Supply Side Inlet Node Name
> RoofVent1 Equipment Outlet Node, !- Demand Side Outlet Node Name
> RoofVent1 Equipment Inlet Node, !- Demand Side Inlet Node Names
> RoofVent1 Supply Fan Outlet; !- Supply Side Outlet Node Names
>
> AvailabilityManager:NightVentilation,
> RoofVent NightPurge Availability Manager, !- Name
> NightPurge Availability Schedule, !- Applicability Schedule Name
> RoofVent Fan Schedule, !- Fan Schedule Name
> Always 22 Schedule, !- Ventilation Temperature Schedule Name
> 2, !- Ventilation Temperature Difference {deltaC}
> 18, !- Ventilation Temperature Low Limit {C}
> 1, !- Night Venting Flow Fraction
> Corridor; !- Control Zone Name
>
> AvailabilityManagerAssignmentList,
> RoofVent Availability List, !- Name
> AvailabilityManager:NightVentilation, !- Availability Manager 1 Object Type
> RoofVent NightPurge Availability Manager; !- Availability Manager 1 Name
>
>
>
> EnergyManagementSystem:Sensor,
> CorridorTemp , !- Name
> Corridor Zone Air Node, !- Output:Variable or Output:Meter Index Key Name
> Zone Mean Air Temperature; !- Output:Variable or Output:Meter Name
>
> EnergyManagementSystem:Sensor,
> OATemp , !- Name
> , !- Output:Variable or Output:Meter Index Key Name
> Outdoor Dry Bulb; !- Output:Variable or Output:Meter Name
>
> EnergyManagementSystem:Sensor,
> WindSpeed , !- Name
> , !- Output:Variable or Output:Meter Index Key Name
> Wind Speed; !- Output:Variable or Output:Meter Name
>
> EnergyManagementSystem:Sensor,
> HeatingOn , !- Name
> Corridor Unit01 Convector HW Inlet , !- Output:Variable or Output:Meter Index Key Name
> System Node MassFlowRate;!- Output:Variable or Output:Meter Name
>
> EnergyManagementSystem:Sensor,
> OccupancySched , !- Name
> GS_School_Teaching_Occup,!- Output:Variable or Output:Meter Index Key Name
> Schedule Value; !- Output:Variable or Output:Meter Name
>
> EnergyManagementSystem:Sensor,
> TAU1Airflow , !- Name
> TAU1 Equipment Inlet Node, !- Output:Variable or Output:Meter Index Key Name
> System Node MassFlowRate;!- Output:Variable or Output:Meter Name
>
> EnergyManagementSystem:Sensor,
> TAU2Airflow , !- Name
> TAU2 Equipment Inlet Node, !- Output:Variable or Output:Meter Index Key Name
> System Node MassFlowRate;!- Output:Variable or Output:Meter Name
>
>
> EnergyManagementSystem:Actuator,
> CorridorInfiltrationLevel, !- Name
> Corridor Infiltration, !- Actuated Component Unique Name
> Zone Infiltration, !- Actuated Component Type
> Air Exchange Flow Rate; !- Actuated Component Control Type
>
> EnergyManagementSystem:Actuator,
> RoofVent_FanOverride, !- Name
> RoofVent1 Fan System, !- Actuated Component Unique Name
> AirLoopHVAC, !- Actuated Component Type
> Availability Status; !- Actuated Component Control Type
>
>
> EnergyManagementSystem:ProgramCallingManager,
> RoofVent Control System ,!- Name
> AfterPredictorAfterHVACManagers, !- EnergyPlus Model Calling Point
> RoofVent_SystemController ; !- Program Name 1
>
>
> EnergyManagementSystem:Program,
> RoofVent_SystemController , !- Name
> set setTwo = 2.0, !- Program Line 1
> set setThree = 3.0, !- Program Line 2
> Set noAction = 0.0, !- A4
> if (OccupancySched == 1) && (HeatingOn >0) && (TAU1Airflow == 0) && (TAU2Airflow == 0), !- A5
> if (OATemp > 18) && (CorridorTemp > OATemp), !- A6
> if (CorridorTemp <=22) && (WindSpeed >10), !- A7
> Set CorridorInfiltrationLevel = setThree, !- A8
> Return, !- A9
> elseif (CorridorTemp >22) && (WindSpeed <= 10), !- A10
> Set RoofVent_FanOverride = setTwo, !- A11
> else, !- A12
> Set RoofVent_FanOverride = noAction, !- A13
> endif, !- A14
> endif, !- A15
> endif; !- A16
>
------------------------------------
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