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[EnergyPlus_Support] Overwriting scheduled setpoint with EMS
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- Subject: [EnergyPlus_Support] Overwriting scheduled setpoint with EMS
 
- From: "marko.ignjatovic1980" <marko.ignjatovic1980@xxxxxxxxx>
 
- Date: Wed, 03 Oct 2012 17:54:57 -0000
 
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Hi all,
I am having trouble overwriting hot water loop scheduled setpoint temperature which is my case 90oC. I am leaving all object classes related to this. I am trying to put control in hot water loop, and that scheduled temperature varies with outside temperature, since this is the most common heating control in my country. Maybe I didn't understand EMS guide well, because whatever I do, setpoint remains 90
Here it comes!
Schedule:Compact,
    HW Loop Schedule,        !- Name
    Temperature,             !- Schedule Type Limits Name
    Through: 12/31,          !- Field 1
    For: AllDays,            !- Field 2
    Until:24:00,             !- Field 3
    90;                      !- Field 4
!-   ===========  ALL OBJECTS IN CLASS: BOILER:HOTWATER ===========
Boiler:HotWater,
    Central Boiler,          !- Name
    NaturalGas,              !- Fuel Type
    autosize,                !- Nominal Capacity {W}
    0.95,                    !- Nominal Thermal Efficiency
    LeavingBoiler,           !- Efficiency Curve Temperature Evaluation Variable
    Boiler Efficiency,       !- Normalized Boiler Efficiency Curve Name
    90,                      !- Design Water Outlet Temperature {C}
    autosize,                !- Design Water Flow Rate {m3/s}
    0,                       !- Minimum Part Load Ratio
    1.2,                     !- Maximum Part Load Ratio
    1,                       !- Optimum Part Load Ratio
    Central Boiler Inlet Node,  !- Boiler Water Inlet Node Name
    Central Boiler Outlet Node,  !- Boiler Water Outlet Node Name
    99.9,                    !- Water Outlet Upper Temperature Limit {C}
    ConstantFlow,            !- Boiler Flow Mode
    ,                        !- Parasitic Electric Load {W}
    1;                       !- Sizing Factor
!-   ===========  ALL OBJECTS IN CLASS: PLANTLOOP ===========
PlantLoop,
    Hot Water Loop,          !- Name
    Water,                   !- Fluid Type
    ,                        !- User Defined Fluid Type
    Hot Loop,                !- Plant Equipment Operation Scheme Name
    HW Supply Outlet Node,   !- Loop Temperature Setpoint Node Name
    90,                      !- Maximum Loop Temperature {C}
    45,                      !- Minimum Loop Temperature {C}
    autosize,                !- Maximum Loop Flow Rate {m3/s}
    0,                       !- Minimum Loop Flow Rate {m3/s}
    autocalculate,           !- Plant Loop Volume {m3}
    HW Supply Inlet Node,    !- Plant Side Inlet Node Name
    HW Supply Outlet Node,   !- Plant Side Outlet Node Name
    Heating Supply Side Branches,  !- Plant Side Branch List Name
    Heating Supply Side Connectors,  !- Plant Side Connector List Name
    HW Demand Inlet Node,    !- Demand Side Inlet Node Name
    HW Demand Outlet Node,   !- Demand Side Outlet Node Name
    Heating Demand Side Branches,  !- Demand Side Branch List Name
    Heating Demand Side Connectors,  !- Demand Side Connector List Name
    Optimal,                 !- Load Distribution Scheme
    ,                        !- Availability Manager List Name
    SingleSetpoint,          !- Plant Loop Demand Calculation Scheme
    None,                    !- Common Pipe Simulation
    None;                    !- Pressure Simulation Type
!-   ===========  ALL OBJECTS IN CLASS: PLANTEQUIPMENTLIST ===========
PlantEquipmentList,
    Heating Plant,           !- Name
    Boiler:HotWater,         !- Equipment 1 Object Type
    Central Boiler;          !- Equipment 1 Name
!-   ===========  ALL OBJECTS IN CLASS: PLANTEQUIPMENTOPERATION:HEATINGLOAD ===========
PlantEquipmentOperation:HeatingLoad,
    Central Boiler Only,     !- Name
    0,                       !- Load Range 1 Lower Limit {W}
    500000,                  !- Load Range 1 Upper Limit {W}
    Heating Plant;           !- Range 1 Equipment List Name
!-   ===========  ALL OBJECTS IN CLASS: PLANTEQUIPMENTOPERATIONSCHEMES ===========
PlantEquipmentOperationSchemes,
    Hot Loop,                !- Name
    PlantEquipmentOperation:HeatingLoad,  !- Control Scheme 1 Object Type
    Central Boiler Only,     !- Control Scheme 1 Name
    BBH availability;        !- Control Scheme 1 Schedule Name
!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:SENSOR ===========
EnergyManagementSystem:Sensor,
    SenzorTempSpoljasnjeg,   !- Name
    *,                       !- Output:Variable or Output:Meter Index Key Name
    Outdoor Dry Bulb;        !- Output:Variable or Output:Meter Name
!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:ACTUATOR ===========
EnergyManagementSystem:Actuator,
    Aktuator,                !- Name
    HW Loop Schedule,        !- Actuated Component Unique Name
    Schedule:Compact,        !- Actuated Component Type
    Schedule Value;          !- Actuated Component Control Type
!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:PROGRAMCALLINGMANAGER ===========
EnergyManagementSystem:ProgramCallingManager,
    Proba,                   !- Name
    AfterPredictorBeforeHVACManagers,  !- EnergyPlus Model Calling Point
    HWLoopTemperature;       !- Program Name 1
!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:PROGRAM ===========
EnergyManagementSystem:Program,
    HWLoopTemperature,       !- Name
    IF SenzorTempSpoljasnjeg < - 12.0 , SET Aktuator = 90.0, ELSEIF SenzorTempSpoljasnjeg > 12.0 , SET Aktuator = 45.0 , ELSE , SET Aktuator = -1.875 * SenzorTempSpoljasnjeg + 67.5 , ENDIF ;;  !- Program Line 1
!-   ===========  ALL OBJECTS IN CLASS: SETPOINTMANAGER:SCHEDULED ===========
SetpointManager:Scheduled,
    Hot Water Loop Setpoint Manager,  !- Name
    Temperature,             !- Control Variable
    HW Loop Schedule,        !- Schedule Name
    HW Supply Outlet Node;   !- Setpoint Node or NodeList Name
------------------------------------
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