marker

Marker labels a dict with typing information

    absorption

Cooling process using energy from heat source such as hot water

        chiller-absorption

Cooling process using energy from heat source such as hot water

    ac

Relating to alternating current electricity

    active

Working, operative, effective

    ahuZoneDeliveryType

AHU delivery method of conditioned air to the zone

        chilledBeamZone

AHU supplies air to chilled beam terminal units

        directZone

AHU supplies air directly to the zone

        multiZone

AHU discharge air is split into a duct per zone

        vavZone

AHU supplies air to VAV terminal units

    angle

Measurement of the relative difference in direction between two vectors or phasors

    apparent

Perceived quantity

    atmospheric

Related to the atmosphere of the earth

    barometric

Relating atmospheric pressure

    blowdown

Removal from container or pipe

    centrifugal

Compression via a continuous flow of fluid through an impeller

        chiller-centrifugal

Compression via a continuous flow of fluid through an impeller

    chilled

Cooled

    chillerMechanismType

Primary mechanism of chiller

        chiller-absorption

Cooling process using energy from heat source such as hot water

        chiller-centrifugal

Compression via a continuous flow of fluid through an impeller

        chiller-reciprocal

Piston compressor driven by a crankshaft

        chiller-rotaryScrew

Rotary screw compression

    computed

Indicates a definition which is computed

    condenser

Device or related to process of condensation

    coolingLoop

Open or closed loop

        closedLoop

Working fluid is kept separate from fluid used for heat transfer into the atmosphere

        openLoop

Uses working fluid itself for evaporation into the atmosphere

    coolingOnly

Device without heating

    cur

Related to a current value

    cur-point

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

    current

Movement of fluid or electricity

    damper

Damper equipment or control point

    dc

Relating to direct current electricity

    docSection

This tag is documented with its own section

    docTaxonomy

Generate a taxonomy tree for this term in the index

    domestic

For human use

    ductConfigType

Ductwork configuration

        dualDuct

Two ducts

        singleDuct

One single duct

        tripleDuct

Three ducts

    ductDeckType

Cold, hot, or neutral deck

        coldDeck

Duct carries air for cooling

        hotDeck

Duct carries air for heating

        neutralDeck

Duct carries air which by-passes both heating and cooling coils

    ductSectionType

Equipment section of ductwork

        discharge

Duct with air leaving an equipment

        exhaust

Duct used to expel air back outside

        inlet

Duct with air entering an equipment

        mixed

Duct where fresh outside and return air is mixed together

        outside

Duct to access fresh outside air

        return

Duct returning air back to equipment

    entity

Top-level dicts with a unique identifier

        equip

Equipment asset

            actuator

Equipment to move or control a mechanism

                damper-equip

Actuator to regulate the flow of air

                valve-equip

Actuator to regulate the flow of fluid

            airHandlingEquip

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

                ahu

Air handling unit - mixes outside air and return air

                    mau

Makeup air unit - delivers 100% outside air to space

                    rtu

Packaged rooftop air handling unit

                fcu

Fan coil unit

                    unitVent

Unit ventilator

                heatPump

Heat pump

            airTerminalUnit

Equipment in air distribution systems which terminate at the space

                cav

Constant air volume terminal unit

                vav

Variable air volume terminal unit

                    coolingOnly-vav

Cooling only VAV without fan or reheat

                    fanPowered-vav

VAV contains a fan with reheat

            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

            chiller

Equipment to remove heat from a liquid

            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

            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

                        chilled-water-coil

Coil used to transfer heat from air to chilled water

                    heatingCoil

Coil used to heat air

                        elec-coil

Heating element which converts electricity into heat

                        hot-water-coil

Coil used to transfer heat from hot-water to air

                        steam-coil

Coil used to transfer heat from steam to air

            luminaire

Light fixture using electricity to provide illumination

            meter

Equipment to meter a substance or electricity

                elec-meter

Electricity meter

                    ac-elec-meter

AC Electricity meter

                    dc-elec-meter

DC Electricity meter

                flow-meter

Meter to measure flow rate and total volume of fluid

                thermal-meter

Meter to measure energy transfer via fluid

            motor

Equipment that converts electrical energy into mechanical energy

                fan-equip

Equipment to create air flow

                pump-equip

Equipment to move fluid

                vfd

Motor with variable frequency drive

            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

            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

            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

            weatherStation

Weather station

        point

Data point such as a sensor or actuator

        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

                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

    fan

Fan equipment or control point

    fanPowered

Device with a fan

    flux

Measurement through a given surface

    geoPlace

Geographic place

        site

Site is a geographic location of the built environment

            building

Site which is a building

            weatherStation

Weather station

    ground

Related to the surface of the earth

    his

Related to historization of data

    his-point

Historized point with a history log of timestamp/value pairs

    hisTotalized

Indicates values which are a continuous stream of totalization

    hot

Having high degree of heat

    hvac

Heating, ventilation, and air conditioning

    imbalance

Lacking balance

    intensity

Measure of an electromagnetic field

    lighting

Systems associated with illumination in the built environment

    luminous

Relating to light as perceived by the eye

    magnitude

Size or extent

    makeup

Restore soemthing missed or lost

    mandatory

Requires that the marker be applied to dicts which use the marker's subtypes

    meterScopeType

Classifies a meter as a main site meter or submeter

        siteMeter

Main meter for the associated site

        submeter

Submeters measure usage of a sub-system or equipment within a site

    notInherited

Marker applied to a def to indicate that is not inherited into subtype definitions

    occupants

People who use the built ennvironment

    parallel

Circuit with multiple paths of flow

    phenomenon

Aspect of scientific interest with measurable quantities

        drive

Related to the drive control of a motor

        elec

Associated with electricity, electric charge

            ac-elec

Alternating current electricity

            dc-elec

Direct current electricity

        light

Electromagnetic radiation in the visibile spectrum

        solar

Relating to energy from the sun

        state

Software, hardware, or process control status

        substance

Matter in one the three states solid, liquid, or gas

            fluid

Liquid or gas

                gas

Substance with neither definite volume nor shape

                    air

The mixture of gases which surrounds the earth

                    naturalGas

Fossil fuel energy source consisting largely of methane and other hydrocarbons

                    steam

Water in its gas form

                liquid

Substance with definite volume but takes the shape of its container

                    fuelOil

Petroleum based oil burned for energy

                    gasoline

Petroleum derived liquid used as a fuel source

                    water

Water in its liquid form

                        blowdown-water

Water expelled from a system to remove mineral build up

                        chilled-water

Water used for HVAC cooling

                        condenser-water

Water used used to remove heat through condensation

                        domestic-water

Tap water for drinking, washing, cooking, and flushing of toliets

                        hot-water

Hot water used for HVAC heating or supply to hot taps

                        makeup-water

Water used used to makeup water loss through leaks, evaporation, or blowdown

                refrig

Fluid used in refrigeration and heat exchange

            solid

Substance with definite shape and volume

                ice

Water in its solid form

        weather

Associated with atmospheric air or phenomenon

        wind

Flow of air on surface of the Earth

    pipeSectionType

Equipment section of piping

        bypass

Pipe used to bypass an equipment

        entering

Pipe conveys fluid into an equipment

        leaving

Pipe conveys fluid out of an equipment

    pointFunctionType

Classifies the point as a sensor, command, or setpoint

        cmd

Point is a command, actuator, AO/BO

        sensor

Point is a sensor, input, AI/BI

        sp

Point is a setpoint, soft point, internal control variable, schedule

    process

Industrial or HVAC process

        coolingProcessType

Processed used to cool a substance

            airCooling

Cooling by dissipating heat into the surrounding air

            chilledWaterCooling

Cooling using transfer of heat to chilled water

            condenserCooling

Removal of heat through the process of water condensation

            dxCooling

Cooling using direct expansion of a refrigerant vapar

        heatingProcessType

Processed used to heat a substance

            elecHeating

Heating by the conversion of electrical energy

            gasHeating

Heating by the combustion of natural gas

            hotWaterHeating

Heating using energy of hot water

            oilHeating

Heating by the combustion of fuel oil

            steamHeating

Heating using energy of steam

    pump

Pump equipment or control point

    quality

Quantity measured against standard metric

    quantity

Measurable property of a substance or phenomenon

        airQuality

Measurement of contaminants in the air

            co2

Carbon dioxide level

            pm10

Particulate Matter 10

            pm25

Particulate Matter 2.5

            tvoc

Total volatile organic compound (TVOC)

        apparent-power

Apparent power is perceived magnitude of power due to the combination of active and reactive power

        cloudage

Percentage of sky obscurred by clouds

        current-angle

AC current phase angle

        current-imbalance

Current phase imbalance in a multiphase AC system

        current-thd

Total harmonic current distortion

        daytime

Time between sunrise and sunset

        dewPoint

Dew point temperature at which water vapor will form dew

        direction

Compass direction measured in degrees

            wind-direction

Compass direction from which wind originates

        drive-freq

Motor frequency measured in "Hz"

        drive-speed

Motor speed measured in "%"

        elec-current

Electrical current

            current-magnitude

Magnitude of electrical current

        elec-volt

Electrical voltage, potential difference

            volt-magnitude

Magnitude of electrical voltage

        energy

Measure of ability to do work

            elec-energy

Electrical energy consumed

        feelsLike

Apparent temperature perceived when considering humidity, wind chill, and heat index

        flow

Measure of volumetric flow of fluid

        freq

Occurrences per unit time

            ac-freq

Frequency of alternating current

        humidity

Percent relative humidity

        illuminance

Luminous flux hitting the inside of the sphere at a specific point

        irradiance

Energy received at a surface by area

            solar-irradiance

Energy received on surface of the earth from the sun

        level

Fill level of a vessel containing a fluid where 0% is empty and 100% is filled

        luminance

Energy of light in a given direction

        luminous-flux

Total perceived light in all directions

        luminous-intensity

Perceived light in a particular direction per unit solid angle

        pf

Electrical power factor

        power

Energy consumed per unit time

            elec-power

Electrical energy consumed per unit time

                active-power

Active power or real power

        precipitation

Amount of atmospheric water vapor fallen including rain, sleet, snow, and hail

        pressure

Measure of force applied

            atmospheric-pressure

Barometric pressure exerted by the weight of the atmosphere

        reactive-power

Reactive power or imaginary power

        speed

Distance per unit time

            wind-speed

Wind flow speed

        stateQuantity

What is sensed or controlled of software, hardware, or process state

            enable

Secondary on/off point of an equip especially used with a vfd

            run

Primary on/off point of an equip especially used with a vfd

        temp

Temperature - measure of hot and cold

            air-temp

Dry bulb temperature

        visibility

Distance at which light can be clearly discerned

        volt-angle

AC voltage phase angle

        volt-imbalance

AC voltage phase imbalance

        weatherCond

Enumeration of weather conditions

        webBulb

Wet bulb air temperature

    reactive

Relating to reactance

    reciprocal

Piston compressor driven by a crankshaft

        chiller-reciprocal

Piston compressor driven by a crankshaft

    roof

Envelope covering the top of a building

    rotaryScrew

Rotary screw compression

        chiller-rotaryScrew

Rotary screw compression

    series

Circuit with single path of flow

    subterranean

Below the surface of the earth

    synthetic

Automatically generated

    thd

Total harmonic distortion

    thermal

Related to energy of heat

    transient

Indicates a value tag which should not be persisted

    transitive

This marker is applied to a relationship to indicate it is transitive

    valve

Valve equipment or control point

    vavAirCircuitType

How does the VAV pull in air

        vav-parallel

VAV pulls air from outside the primary air flow

        vav-series

VAV pulls air from the primary air flow

    vavModulationType

How does VAV modulate the temp based on duct pressure

        pressureDependent

VAV damper modulates to control space temp

        pressureIndependent

VAV damper or a control valve that modulates to maintain desired flow setpoint

    volt

Electrical voltage, potential difference

    writable

Related to data which can written

    writable-point

Point with writable output using 16-level priority array

    zone

Related to spaces from a system perspective