def

entity

Top-level dicts with a unique identifier

meta

def entity
doc See above
is marker
lib ph

supertypes

marker

Marker labels a dict with typing information

subtypes

equip

Equipment asset

    ahu

Air handling unit

    battery

Device used to store electric energy

    boiler

Boilers generate hot water or steam for heating

        hot-water-boiler

Boiler which outputs hot water

        steam-boiler

Boiler which outputs steam

    chiller

Device to remove heat via a vapor compression or an absorption refrigeration cycle

    conduit

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

        duct

Conduit used to convey air for HVAC

            s-duct

Duct in equipment section s

        pipe

Conduit used to convey a fluid

            f-pipe

Pipe which conveys fluid f

                s-f-pipe

Pipe in equipment section s which conveys fluid f

            s-pipe

Pipe in equipment section s

                s-f-pipe

Pipe in equipment section s which conveys fluid f

        wire

Cabling used to convey electricity

    coolingTower

Device used to transfer waste heat into the atmosphere

    heatExchanger

Device used to transfer heat between two fluids

    meter

Equipment to meter a substance or electricity

        elec-meter

Electricity meter

        flow-meter

Meter to measure flow rate and total volume of fluid

            f-flow-meter

Meter to measure flow rate and total volume of fluid f

        thermal-meter

Meter to measure energy transfer via fluid

            f-thermal-meter

Meter to measure energy transfer via fluid f

    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

    tank

Tank used to store a substance for temporary holding

        f-tank

Tank which stores fluid f

    vav

Variable air volume terminal unit

        coolingOnly-vav

Cooling only VAV without fan or reheat

        fanPowered-vav

VAV contains a fan with reheat

    weatherStation

Weather station

point

Data point such as a sensor or actuator

    cur-point

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

    his-point

Historized point with a history log of timestamp/value pairs

    p-point

Point which measures or controls phenomenon p

        p-q-point

Point which measures or controls phenomenon p and quantity q

    q-point

Point which measures or controls quantity q

        p-q-point

Point which measures or controls phenomenon p and quantity q

    writable-point

Point with writable output using 16-level priority array

site

Site is a geographic location of the built environment

    building

Site which is a building

    weatherStation

Weather station

space

Space is a three-dimensional volume in the built environment

    building

Site which is a building

    floor

Storey of a building

    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

tags

dis

Display name for an entity

id

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