def

entity

Top-level dicts with a unique identifier. See Ontology chapter.

meta

supertypes

marker

Marker labels a dict with typing information

subtypes

conn

Connector for communication to a remote system

    ecobeeConn

Ecobee connector

    haystackConn

Haystack connector to a Haystack REST API server

    modbusConn

Modbus connector

    mqttConn

MQTT connector to an MQTT Broker

    nestConn

Google Nest connector

    obixConn

Connector to an oBIX HTTP server

    sedonaConn

Sedona Sox connector to a remote device

    sqlConn

SQL connector to a relational database using JDBC

connTuning

Marker applied to a rec which defines a tuning configuration

device

Microprocessor based hardware device

    computer

General purpose computer

        laptop

Portable laptop computer

        server-computer

General purpose computer used as a server

    controller

Microprocessor based device used in a control system

    networking-device

Microprocessor device used to establish networks

        networking-router

Networking device used to route data between different networks

        networking-switch

Networking device used to connect devices on the same network

    phone

Telephone used for voice telecommunication

        mobile-phone

Cellular phone providing telecommunication over radio links

    tablet

Mobile device with touch screen for user input

dockerContainer

Docker container

dockerImage

Docker image

equip

Equipment asset

    actuator

Equipment to move or control a mechanism

        damper-actuator

Actuator to regulate the flow of air

        valve-actuator

Actuator to regulate the flow of fluid

    airHandlingEquip

HVAC equipment that conditions and delivers air via one or more fans

        ahu

Air Handling Unit

            doas

Dedicated Outside Air System

                mau

Makeup Air Unit

            rtu

Roof Top Unit

        fcu

Fan Coil Unit

            crac

Computer Room Air Conditioner

            unitVent

Unit Ventilator

            vrf-indoorUnit-fcu

Indoor unit fan coil unit in a VRF system

    airTerminalUnit

Equipment in air distribution systems which terminate at the space

        cav

Constant air volume terminal unit

        vav

Variable air volume terminal unit

    assembly

A collection of manufactured parts or subassemblies

    ates

Aquifer Thermal Energy Storage system

    battery

Equipment used to store electric energy

    boiler

Equipment to generate hot water or steam for heating

        hot-water-boiler

Boiler which outputs hot water

        steam-boiler

Boiler which outputs steam

    cable

An assembly of one or more insulated conductors

    chiller

Equipment to remove heat from a liquid

    circuit

Electrical circuit and its associated components such as breakers

    conduit

Duct, pipe, or cable to convey a substance or phenomenon

        duct

Conduit used to convey air for HVAC

        pipe

Conduit used to convey a fluid

        wire

Cabling used to convey electricity or data

    coolingTower

Equipment to transfer waste heat into the atmosphere

    evse-equip

Equipment that supports the delivery of electricity to charging inlets located on EVs

        evse-assembly

Equipment that delivers electricity via EVSE ports to charging inlets located on EVs

        evse-cable

Models the electrical connection between an evse-port and an EV charging inlet

        evse-port

An EVSE port delivers electricity to a single EV charging inlet at a time

    flowInverter

System to change direction of substance flow

    fumeHood

Ventilation equipment to limit exposure to hazardous fumes

    heatExchanger

Equipment to transfer heat between two working fluids

        coil

Heat exchanger used to heat or cool air

            coolingCoil

Coil used to cool air

            heatingCoil

Coil used to heat air

    humidifier-equip

Equipment which adds moisture to air to increase humidity

    luminaire

Light fixture using electricity to provide illumination

    meter

Equipment to meter a substance or phenomenon

        elec-meter

Electricity meter

            ac-elec-meter

AC Electricity meter

            dc-elec-meter

DC Electricity meter

            evse-port

An EVSE port delivers electricity to a single EV charging inlet at a time

        flow-meter

Meter to measure flow rate and total volume of fluid

    motor

Equipment that converts electrical energy into mechanical energy

        fan-motor

Motor used with a fan to create air flow

        pump-motor

Motor used with a pump to move fluid

    panel

Enclosure for electrical and control equipment

        controls-panel

Panel housing controllers and networking gear

        elec-panel

Physical housing for electrical circuits, fuses, and breakers

    plant

Central plant used to generate a substance for a process

        chilled-water-plant

Plant used to generate chilled water for cooling

        hot-water-plant

Plant used to generate hot water for heating

        steam-plant

Plant used to generate steam for heating

        vrf-refrig-plant

Group of outdoor units in a VRF system

    rack

Enclosure or chassis used to mount computer and networking gear

    radiantEquip

HVAC equipment that conditions a space without forced air

        chilledBeam

Conditions a space using a heat exchanger integrated into the ceiling

        radiantFloor

Heats a space using pipes or cables embedded beneath floor

        radiator

Heats a space using exposed pipes or coils

    tank

Tank used to store a substance for temporary holding

    thermostat

Senses and controls temperature of space in HVAC system

    ups

Uninterruptible power supply

    verticalTransport

Equipment to move humans and materials

        elevator

Enclosure used to move people between floors

        escalator

Moving staircase used to move people between floors

        movingWalkway

Conveyor to move people across a horizontal or inclined plane

    vrf-equip

Equipment used in VRF systems

        branchSelector

Branch selector used for heat recovery in a VRF system

        vrf-indoorUnit

Indoor unit in a VRF system

            vrf-indoorUnit-fcu

Indoor unit fan coil unit in a VRF system

        vrf-outdoorUnit

Outdoor unit with one or more compressors in a VRF system

    well

A well is a source of groundwater and potentially thermal energy

network

Logical communications network between two or more devices

point

Data point such as a sensor or actuator

    connPoint

Point associated with a connector for data synchronization with a remote system

        ecobeePoint

Point which synchronizes data via an Ecobee connector

        haystackPoint

Point which synchronizes data via a Haystack connector

        modbusPoint

Point which synchronizes data via a Haystack connector

        mqttPoint

Point which synchronizes data via a MQTT connector

        nestPoint

Point which synchronizes data via a Nest connector

        obixPoint

Point which synchronizes data via a oBIX connector

        sedonaPoint

Point which synchronizes data via a Sedona connector

        sqlPoint

Point which synchronizes data via a SQL connector

    cur-point

Point with support to report a "real-time" current value

    his-point

Historized point with a history log of timestamp/value pairs

    weather-point

Weather station observation point

    writable-point

Point with writable output using 16-level priority array

pointGroup

Grouping of children points used by spaces and equipment

    airQualityZonePoints

Entity with logical grouping of zone air quality points

        hvac-zone-space

Zone related to conditioning of a space's air temperature and quality

    hvacZonePoints

Entity with logical grouping of zone HVAC air points

        hvac-zone-space

Zone related to conditioning of a space's air temperature and quality

        thermostat

Senses and controls temperature of space in HVAC system

    lightingZonePoints

Entity with logical grouping of lighting points

        lighting-zone-space

Zone related to lighting system

        luminaire

Light fixture using electricity to provide illumination

projMeta

Singleton record for project meta data

site

Site is a geographic location of the built environment

space

Space is a three-dimensional volume in the built environment

    dataCenter

Space used to house computer and networking gear

    floor

Storey of a building

        ground-floor

Floor at ground level

        roof-floor

The roof floor is the topmost level of a building

        subterranean-floor

Floor below ground level

    room

Enclosed room of a building

    zone-space

Space associated with a specific system

        hvac-zone-space

Zone related to conditioning of a space's air temperature and quality

        lighting-zone-space

Zone related to lighting system

system

Grouping of related equipment dedicated to a single application

    air-system

System for moving air to maintain indoor thermal comfort and/or air quality

        air-conditioning-system

System for air treatment to control its temperature, humidity, cleanliness, and distribution to meet the requirements of a conditioned space

        air-exhaust-system

System consisting of one or more fans that remove air from the building

        air-ventilation-system

System that supplies or removes air by natural or mechanical means to or from any space in order to provide outdoor air to the space

    elec-system

System that generates, converts, distributes, and/or stores electricity

        evse-system

A system that supplies electricity to EVSE assembly equipment and its auxiliary loads

        lighting-system

System designed to provide lighting

    refrig-system

Refrigerant distribution to fulfill all or parts of a refrigeration cycle

        vrf-system

Variable refigerant flow system

            vrf-coolingOnly-system

Cooling only VRF system can only cool

            vrf-heatPump-system

Heat pump VRF system can either heat, or cool, but not at the same time

            vrf-heatRecovery-system

Heat recovery VRF system can operate cooling and heating by each indoor unit independently, at the same time

    water-system

System that supplies or collects potable or non-potable water in any state

        chilled-water-system

System that circulates water in its liquid state below ambient temperature for cooling a space or process

        condenser-water-system

System that circulates water in its liquid state for rejecting heat from a space or process

        domestic-water-system

System that circulates potable water in its liquid state for purposes other than space conditioning and process requirements

            domestic-cold-water-system

System that circulates potable cold water in its liquid state for purposes other than space cooling and process requirements

            domestic-hot-water-system

System that circulates potable hot water in its liquid state for purposes other than space heating and process requirements

        hot-water-system

System that circulates water in its liquid state for heating a space or process

        steam-system

System that circulates water in its vapor state for heating a space or process

task

Dispatch task function

weatherStation

Logical weather station and its measurement points

tags

dis

Display name for an entity

id

Defines the unique identifier of an entity in system using a ref value type