{
    "$schema": "http://json-schema.org/schema#",
    "$schemaVersion": "0.0.1",
    "modelTags": "SAREF CoolingTower",
    "$id": "https://smart-data-models.github.com/dataModel.SAREF4BLDG/CoolingTower/schema.json",
    "derivedFrom": "https://saref.etsi.org/saref4bldg/v1.1.2/#s4bldg:CoolingTower",
    "title": "Smart data models - CoolingTower schema",
    "type": "object",
    "license": "https://opensource.org/licenses/BSD-3-Clause",
    "description": "A cooling tower is a device which rejects heat to ambient air by circulating a fluid such as water through it to reduce its temperature by partial evaporation.",
    "allOf": [
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
        },
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
        },
        {
            "properties": {
                "type": {
                    "type": "string",
                    "description": "Property. It must be equal to `CoolingTower`",
                    "enum": [
                        "CoolingTower"
                    ]
                },
                "ambientDesignDryBulbTemperature": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Ambient design dry bulb temperature used for selecting the cooling tower. Usually measured in degrees Kelvin (K)"
                },
                "ambientDesignWetBulbTemperature": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Ambient design wet bulb temperature used for selecting the cooling tower. Usually measured in degrees Kelvin (K)"
                },
                "basinReserveVolume": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Volume between operating and overflow levels in cooling tower basin. Usually measured in cubic metre (m3)"
                },
                "capacityControl": {
                    "type": "string",
                    "description": "Property. FanCycling: Fan is cycled on and off to control duty. TwoSpeedFan: Fan is switched between low and high speed to control duty. VariableSpeedFan: Fan speed is varied to control duty. DampersControl: Dampers modulate the air flow to control duty. BypassValveControl: Bypass valve modulates the water flow to control duty. MultipleSeriesPumps: Turn on/off multiple series pump to control duty. TwoSpeedPump: Switch between high/low pump speed to control duty. VariableSpeedPump: vary pump speed to control duty"
                },
                "circuitType": {
                    "type": "string",
                    "description": "Property. OpenCircuit: Exposes water directly to the cooling atmosphere. CloseCircuit: The fluid is separated from the atmosphere by a heat exchanger. Wet: The air stream or the heat exchange surface is evaporatively cooled. Dry: No evaporation into the air stream. DryWet: A combination of a dry tower and a wet tower"
                },
                "controlStrategy": {
                    "type": "string",
                    "description": "Property. FixedExitingWaterTemp: The capacity is controlled to maintain a fixed exiting water temperature. WetBulbTempReset: The set-point is reset based on the wet-bulb temperature"
                },
                "flowArrangement": {
                    "type": "string",
                    "description": "Property. CounterFlow: Air and water flow enter in different directions. CrossFlow: Air and water flow are perpendicular. ParallelFlow: air and water flow enter in same directions"
                },
                "liftElevationDifference": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Elevation difference between cooling tower sump and the top of the tower. Usually measured in millimeters (mm)"
                },
                "nominalCapacity": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Nominal capacity. Usually measured in Watts (W, J/s)"
                },
                "numberOfCells": {
                    "type": "number",
                    "description": "Property. Number of cells in one cooling tower unit"
                },
                "operationTemperatureMax": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Allowable operation ambient (air, fluid) temperature range. Usually measured in degrees Kelvin (K)"
                },
                "operationTemperatureMin": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Allowable operation ambient (air, fluid) temperature range. Usually measured in degrees Kelvin (K)"
                },
                "sprayType": {
                    "type": "string",
                    "description": "Property. SprayFilled: Water is sprayed into airflow. SplashTypeFill: water cascades over successive rows of splash bars. FilmTypeFill: water flows in a thin layer over closely spaced sheets"
                },
                "waterRequirement": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Make-up water requirement. Usually measured in m3/s"
                },
                "isContainedInBuildingSpace": {
                    "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/EntityIdentifierType",
                    "description": "Relationship. An entity used to define the physical spaces of the building. A building space contains devices or building objects. (BuildingSpace)"
                },
                "isContainedInPhysicalObject": {
                    "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/EntityIdentifierType",
                    "description": "Relationship. Any Object that has a proper space region.  (Definition extracted from DUL ontology) (PhysicalObject)"
                },
                "isSubSystemOf": {
                    "type": "array",
                    "description": "Relationship. A reference to a system(s) that this Physical Object is part of",
                    "items": {
                        "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/EntityIdentifierType",
                        "description": "Relationship. The class of systems, i.e., systems virtually isolated from the environment, whose behaviour and interactions with the environment are modeled. Systems can be connected to other systems. Connected systems interact in some ways. Systems can also have subsystems. Properties of subsystems somehow contribute to the properties of the supersystem. (System)"
                    }
                },
                "hasManufacturer": {
                    "type": "string",
                    "description": "Property. A relationship identifying the manufacturer of an entity (e.g., device). The value is expected to be a string or a string with language tag"
                },
                "hasModel": {
                    "type": "string",
                    "description": "Property. A relationship identifying the model of an entity (e.g., device). The value is expected to be a string or a string with language tag"
                }
            }
        }
    ],
    "required": [
        "id",
        "type"
    ]
}