Cooling process using energy from heat source such as hot water

Cooling process using energy from heat source such as hot water

Relating to alternating current electricity

Accumulate the tag's value during inheritance and defx

Working, operative, effective

Notification of a condition which requires attention

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

Perceived quantity

Related to the atmosphere of the earth

Average

Relating atmospheric pressure

Removal from container or pipe

Compression via a continuous flow of fluid through an impeller

Compression via a continuous flow of fluid through an impeller

Substance is cooled using cooling process

Choice specifies an exclusive marker selection

AHU delivery method of conditioned air to the zone

AHU supplies air to chilled beam terminal units

AHU supplies air directly to the zone

AHU discharge air is split into a duct per zone

AHU supplies air to VAV terminal units

Ability of air handling equip to adjust volume of air flow

Delivers a constant volume of air flow

Delivers a variable volume of air flow

Design type of the ATES underground system

The ATES uses closed piping to transport a water/glycol mixture through the ground

The ATES has one or more pairs of a separate warm and cool well

The ATES is as a doublet, but with specific warm and cool wells linked together

The ATES has only one physical well

Similar to a doublet, but water always flows in the same direction from the extraction to the infiltration well

Primary mechanism of chiller

Cooling process using energy from heat source such as hot water

Compression via a continuous flow of fluid through an impeller

Piston compressor driven by a crankshaft

Rotary screw compression

Open or closed loop for condenser working fluid

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

Uses working fluid itself for evaporation into the atmosphere

Processed used to cool a substance

Cooling by dissipating heat into the surrounding air

Cooling using transfer of heat to chilled water

Removal of heat through the process of water condensation

Cooling using direct expansion of a refrigerant vapor

Cooling using transfer of heat to water which is not explicitly chilled

Ductwork configuration

Two ducts

One single duct

Three ducts

Cold, hot, or neutral deck

Duct carries air for cooling

Duct carries air for heating

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

Equipment section of ductwork

Duct for air leaving an equipment

Duct to access fresh outside air only for economizing, not ventilation

Duct used to expel air back outside

Duct for exhausting combustion

Duct with air entering an equipment

Duct where fresh outside air and return air is mixed together

Duct to access fresh outside air for both ventilation and economizer

Duct returning air back to equipment

Duct to access fresh outside air only for ventilation, not economizing

Processed used to heat a substance

Heating by the combustion of biomass

Heating by the combustion of coal

Heating using direct expansion of a refrigerant vapor

Heating by the conversion of electrical energy

Heating by the combustion of fuel oil

Heating using energy of hot water

Heating by the combustion of natural gas

Heating by the combustion of propane

Heating using energy of steam

Classifies a meter as a main site meter or submeter

Main meter for the associated site

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

Power factor scope

Displacement power factor, which excludes effects of harmonic distortion

Distortion power factor

True power factor, which includes effects of harmonic distortion

Number of phases for an AC electrical power system or connected equipment

Single-phase AC electrical power

Three-phase AC electrical power

Type of fluid conveyed by piping

Equipment section of piping

Pipe used to bypass an equipment

Pipe used to circulate fluid through an equipment or system

Pipe conveys fluid into an equipment

Pipe used as central connection or manifold for other piping runs

Pipe conveys fluid out of an equipment

Plant piping loop

Pipework which circulates closest to the energy source

Pipework which circulates closest to the building or end use

Pipework which circulates within the building

Classifies the point as a sensor, command, or setpoint

Point is a command, actuator, AO/BO

Point is a sensor, input, AI/BI

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

Synthetic point with computed operational data

Computed point

Machine learning point

Simulation point

Quantity the point senses or controls

What the point senses or controls

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

Substance stored by a tank

How does the VAV pull in air

VAV pulls air from outside the primary air flow

VAV pulls air from the primary air flow

How does VAV modulate the temp based on duct pressure

VAV damper modulates to control space temp

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

Carbon dioxide equivalent

Having low degree of heat

Device for mechanically increasing the pressure of a gas or refrigerant vapor by reducing its volume

Indicates a relationship that is computed from its reciprocal

Device or related to process of condensation

Related to cleaning, heating, cooling, humidifying, dehumidifying, ventilating or circulating  air. 

Associated with the control system for an industrial process

Associted with low temperature or cooling processes

Cooling mode or process

Equipment without heating

Supports current value

Movement of fluid or electricity

Damper equipment or control point

Relating to direct current electricity

The range in a process where no changes to output are made

Differential of fluid between entering and leaving sensors

Rate required for a process

Obsoleted

Data related to intended design and operating conditions

Decreases humidity from air using a substance which absorbs moisture

Equipment that releases a specific amount of a substance

Three way valve which inputs one pipe and diverts between two output pipes

Generate a section in the docs for this association

Generate a taxonomy tree for this term in the documentationindex

For human use

Config point on a vav for duct area measured in ft² or m²

Energy reduction mode which augments heating/cooling with outside air

Current control setpoint in effect taking into account other factors

Efficiency point of a chiller measured in "COP" or "kW/ton"

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

Top-level dicts with a unique identifier

Microprocessor based hardware device

General purpose computer

Portable laptop computer

General purpose computer used as a server

Microprocessor based device used in a control system

Microprocessor device used to establish networks

Networking device used to route data between different networks

Networking device used to connect devices on the same network

Telephone used for voice telecommunication

Cellular phone providing telecommunication over radio links

Mobile device with touch screen for user input

Equipment asset

Equipment to move or control a mechanism

Actuator to regulate the flow of air

Actuator to regulate the flow of fluid

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

Air Handling Unit

Dedicated Outside Air System

Makeup Air Unit

Roof Top Unit

Fan Coil Unit

Computer Room Air Conditioner

Unit Ventilator

Indoor unit fan coil unit in a VRF system

Equipment in air distribution systems which terminate at the space

Constant air volume terminal unit

Variable air volume terminal unit

Aquifer Thermal Energy Storage system

Equipment used to store electric energy

Equipment to generate hot water or steam for heating

Boiler which outputs hot water

Boiler which outputs steam

An assembly of one or more insulated conductors

Equipment to remove heat from a liquid

Electrical circuit and its associated components such as breakers

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

Conduit used to convey air for HVAC

Conduit used to convey a fluid

Cabling used to convey electricity or data

Equipment to transfer waste heat into the atmosphere

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

The electrical cable between an evse-port and an EV charging inlet on a vehicle

Equipment that dispenses electricity to an EV

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

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

A DC EVSE port delivers dc electricity to a single EV charging inlet at a time

A power converter that has a dc electrical output applied to a dc-evse-port

System to change direction of substance flow

Ventilation equipment to limit exposure to hazardous fumes

Equipment to transfer heat between two working fluids

Heat exchanger used to heat or cool air

Coil used to cool air

Coil used to heat air

Equipment which adds moisture to air to increase humidity

Light fixture using electricity to provide illumination

Equipment to meter a substance or phenomenon

Electricity meter

AC Electricity meter

DC Electricity meter

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

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

A DC EVSE port delivers dc electricity to a single EV charging inlet at a time

Meter to measure flow rate and total volume of fluid

Equipment that converts electrical energy into mechanical energy

Motor used with a fan to create air flow

Motor used with a pump to move fluid

Enclosure for electrical and control equipment

Panel housing controllers and networking gear

Physical housing for electrical circuits, fuses, and breakers

Central plant used to generate a substance for a process

Plant used to generate chilled water for cooling

Plant used to generate hot water for heating

Plant used to generate steam for heating

Group of outdoor units in a VRF system

Enclosure or chassis used to mount computer and networking gear

HVAC equipment that conditions a space without forced air

Conditions a space using a heat exchanger integrated into the ceiling

Heats a space using pipes or cables embedded beneath floor

Heats a space using exposed pipes or coils

Tank used to store a substance for temporary holding

Senses and controls temperature of space in HVAC system

Uninterruptible power supply

Equipment to move humans and materials

Enclosure used to move people between floors

Moving staircase used to move people between floors

Conveyor to move people across a horizontal or inclined plane

Equipment used in VRF systems

Branch selector used for heat recovery in a VRF system

Indoor unit in a VRF system

Indoor unit fan coil unit in a VRF system

Outdoor unit with one or more compressors in a VRF system

A well is a source of groundwater and potentially thermal energy

Describes an event during which an evse-port can deliver power to an EV

Machine learning variable representing both model inputs and outputs

Logical communications network between two or more devices

Data point such as a sensor or actuator

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

Historized point with a history log of timestamp/value pairs

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

Weather station observation point

Point with writable output using 16-level priority array

Grouping of children points used by spaces and equipment

Entity with logical grouping of zone air quality points

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

Entity with logical grouping of zone HVAC air points

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

Senses and controls temperature of space in HVAC system

Entity with logical grouping of lighting points

Zone related to lighting system

Light fixture using electricity to provide illumination

Site is a geographic location of the built environment

Space is a three-dimensional volume in the built environment

Space used to house computer and networking gear

Storey of a building

Floor at ground level

The roof floor is the topmost level of a building

Floor below ground level

Enclosed room of a building

Space associated with a specific system

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

Zone related to lighting system

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

Grouping of related equipment dedicated to a single application

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

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

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

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

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

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

System designed to provide lighting

Refrigerant distribution to fulfill all or parts of a refrigeration cycle

Variable refigerant flow system

Cooling only VRF system can only cool

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

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

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

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

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

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

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

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

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

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

Logical weather station and its measurement points

Mechanism used to convert a refrigerant from its liquid to gaseous state

Electric Vehicle Supply Equipment

Supplied out of a system

Taking a substance out of another substance

Point of an ahu indicating air flow is by-passing the heating/cooling coils

Fan equipment or control point

Device with a fan

Related to an air or fluid filter

Measurement through a given surface

A boolean point of an ahu indicating a freezing condition

Geographic place

Site is a geographic location of the built environment

Logical weather station and its measurement points

Related to the surface of the earth

Associated with a heating process

Equipment that employs a vapor compression cycle with a reversing valve to provide heating or cooling

Transfer of heat from one substance to another to reduce energy consumption

Boolean point indicating command state of AHU's heat wheel

Heating mode or process

Equipment without cooling

Supports historization of data

Indicates values which are a continuous stream of totalization

Having high degree of heat

Adding moisture to air

Heating, ventilation, and air conditioning

Operational mode for HVAC equipment

Lacking balance

Received into a system

Operates inside the conditioned space

Permeation of a substance into another substance

Entity inputs a substance which flows from another entity

Entity inputs air which flows from another entity

Cooling by dissipating heat into the surrounding air

Equipment in air distribution systems which terminate at the space

Constant air volume terminal unit

Variable air volume terminal unit

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

Entity inputs blowdown water which flows from another entity

Entity inputs chilled water which flows from another entity

Cooling using transfer of heat to chilled water

Entity inputs condensate which flows from another entity

Entity inputs condenser water which flows from another entity

Entity inputs domestic water which flows from another entity

Entity inputs electricity which flows from another entity

Equipment to move or control a mechanism

Actuator to regulate the flow of air

Actuator to regulate the flow of fluid

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

Air Handling Unit

Dedicated Outside Air System

Makeup Air Unit

Roof Top Unit

Fan Coil Unit

Computer Room Air Conditioner

Unit Ventilator

Indoor unit fan coil unit in a VRF system

Equipment in air distribution systems which terminate at the space

Constant air volume terminal unit

Variable air volume terminal unit

Equipment to generate hot water or steam for heating

Boiler which outputs hot water

Boiler which outputs steam

Equipment to remove heat from a liquid

Electrical circuit and its associated components such as breakers

Equipment to transfer waste heat into the atmosphere

Electricity meter

AC Electricity meter

DC Electricity meter

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

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

A DC EVSE port delivers dc electricity to a single EV charging inlet at a time

Physical housing for electrical circuits, fuses, and breakers

Heating by the conversion of electrical energy

Enclosure used to move people between floors

Moving staircase used to move people between floors

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

The electrical cable between an evse-port and an EV charging inlet on a vehicle

Equipment that dispenses electricity to an EV

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

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

A DC EVSE port delivers dc electricity to a single EV charging inlet at a time

A power converter that has a dc electrical output applied to a dc-evse-port

Ventilation equipment to limit exposure to hazardous fumes

Light fixture using electricity to provide illumination

Equipment that converts electrical energy into mechanical energy

Motor used with a fan to create air flow

Motor used with a pump to move fluid

Conveyor to move people across a horizontal or inclined plane

Entity inputs fuel oil which flows from another entity

Heating by the combustion of fuel oil

Entity inputs gasoline which flows from another entity

Entity inputs hot water which flows from another entity

Heating using energy of hot water

Entity inputs makeup water which flows from another entity

Entity inputs natural gas which flows from another entity

Heating by the combustion of natural gas

Entity inputs refrigerant which flows from another entity

Branch selector used for heat recovery in a VRF system

Indoor unit in a VRF system

Indoor unit fan coil unit in a VRF system

Entity inputs steam which flows from another entity

Heating using energy of steam

Measure of an electromagnetic field

Actuator used to isolate an equipment from a pipe or ductwork system

Systems associated with illumination in the built environment

Line average of single-phase electrical quantity measurements in an AC electric power system

Chiller point to command or measure the chiller's load as a percentage from "0%" to "100%"

Relating to light as perceived by the eye

Size or extent

Restore something missed or lost

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

Maximum

Associated with a machine or its mechanical force, torque, power, or energy

Minimum

Three way valve which inputs two pipes and outputs a mixture between the two to a single output pipe

Relating to mobile phones, hand-held computers, and similar technology

Difference between import and export

Related to data communication networks

Used to indicate electrical current being measured on an electrical neutral conductor when applied to a point entity that has the elec and current tags

Marks a function or operation as having no side effects

Undocumented and not officially supported

Do not include source code in documentation

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

Occupied mode of a space

Number of occupants in a space

People who use the built environment

Setpoint or sensor indicating occupancy of a space

Apply to str enum tags where the enumeration range is open ended

operates outside the conditioned space

Entity outputs a substance with flows to other entities

Entity outputs air to other entities

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

Air Handling Unit

Dedicated Outside Air System

Makeup Air Unit

Roof Top Unit

Fan Coil Unit

Computer Room Air Conditioner

Unit Ventilator

Indoor unit fan coil unit in a VRF system

Equipment in air distribution systems which terminate at the space

Constant air volume terminal unit

Variable air volume terminal unit

Entity outputs blowdown water to other entities

Entity outputs chilled water to other entities

Plant used to generate chilled water for cooling

Entity outputs condensate to other entities

Entity outputs condenser water to other entities

Entity outputs domestic water to other entities

Entity outputs electricity to other entities

Equipment used to store electric energy

Electrical circuit and its associated components such as breakers

Electricity meter

AC Electricity meter

DC Electricity meter

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

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

A DC EVSE port delivers dc electricity to a single EV charging inlet at a time

Physical housing for electrical circuits, fuses, and breakers

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

The electrical cable between an evse-port and an EV charging inlet on a vehicle

Equipment that dispenses electricity to an EV

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

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

A DC EVSE port delivers dc electricity to a single EV charging inlet at a time

A power converter that has a dc electrical output applied to a dc-evse-port

Entity outputs fuel oil to other entities

Entity outputs gasoline to other entities

Entity outputs hot water to other entities

Boiler which outputs hot water

Plant used to generate hot water for heating

Entity outputs makeup water to other entities

Entity outputs natural gas to other entities

Entity outputs refrigerant to other entities

Outdoor unit with one or more compressors in a VRF system

Group of outdoor units in a VRF system

Entity outputs steam to other entities

Boiler which outputs steam

Plant used to generate steam for heating

Circuit with multiple paths of flow

Auxiliary heating points associated with a vav

Phase average of single-phase electrical quantity measurements in an AC electric power system

Aspect of scientific interest with measurable quantities

Associated with electricity or with electrical force, power, or energy

Alternating current electricity

Direct current electricity

Electromagnetic radiation in the visible spectrum

Relating to energy from the sun

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

Plant or animal material used as fuel to produce electricity or heat

Liquid or gas

Substance with neither definite volume nor shape

The mixture of gases which surrounds the earth

Formaldehyde (CH₂O)

Methane (CH₄)

Carbon monoxide (CO)

Carbon dioxide (CO₂)

Hydrofluorocarbons

Nitrous oxide (N₂O)

Fossil fuel energy source consisting largely of methane and other hydrocarbons

Nitrogen trifluoride (NF₃)

Ammonia (NH₃)

Nitrogen dioxide (NO₂)

Oxygen (O₂) - the common dioxygen allotrope in the air

Ozone (O₃)

Perfluorocarbons

By-product of natural gas processing and petroleum refining (C₃H₈)

Sulphur hexafluoride (SF₆)

Water in its gas form

Total volatile organic compound (TVOC)

Substance with definite volume but takes the shape of its container

Liquid phase produced by the condensation of steam or other gas

Liquid fuel specifically designed for use in diesel engines

Petroleum based oil burned for energy

Petroleum derived liquid used as a fuel source

Water in its liquid form

Water expelled from a system to remove mineral build up

Water cooled for use in HVAC and industrial processes

Water supplied to cold taps

Water used used to remove heat through condensation

Relatively cool water without active chilling

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

Water present under the ground or from a well

Hot water used for HVAC heating or supplied to hot taps

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

Water expelled from a system to remove contaminants

Relatively warm water without active heating

Fluid used in refrigeration and heat exchange

Substance with definite shape and volume

Combustible sedimentary rock

Water in its solid form

Particulate matter 0.1

Particulate matter 10

Particulate matter 2.5

Associated with atmospheric air or phenomenon

Flow of air on surface of the Earth

A gateway or opening used to transfer a substance

Converts one electrical waveform to another using power electronic circuitry

Industrial or HVAC process

Communication protocol used for devices on a network

ASHRAE building automation and control protocol

Short range wireless communication protocol

Constrained Application Protocol

Digital Addressable Lighting Interface protocol for lighting

File Transfer Protocol

Haystack HTTP protocol for exchanging tagged data

Hypertext Transfer Protocol which is foundation of the web

Internet Message Access Protocol for retrieving email

KNX protocol commonly used for lighting systems

Register based communication protocol used with industrial devices

Message Queuing Telemetry Transport publish/subscribe protocol

XML based Open Building Information eXchange protocol

Post Office Protocol version 3 for retrieving email

Simple Mail Transfer Protocol for sending email

Simple Network Management Protocol for managing IP devices

Sedona Framework UDP based communication protocol

Low power wireless communication protocol for home automation

Low power wireless communication protocol for home automation

Pump equipment or control point

Associated with a cleaning process to remove contaminants

Quantity measured against standard metric

Measurable property of a substance or phenomenon

Rate of air movement as distance over time

Integral of apparent-power over time

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

Percentage of sky obscured by clouds

Abundance of substance in the total volume of a mixture

Concentration of contaminants in the air

Concentration of formaldehyde (CH₂O) in the air

Concentration of carbon monoxide (CO) in the air

Concentration of carbon dioxide (CO₂) in the air

Concentration of ammonia (NH₃) in the air

Concentration of nitrogen dioxide (NO₂) in the air

Concentration of ozone (O₃) in the air

Concentration of particulate matter 0.1 in the air

Concentration of particulate matter 10 in the air

Concentration of particulate matter 2.5 in the air

Concentration of total volatile organic compounds (TVOC) in the air

AC current phase angle

Current phase imbalance in a multiphase AC system

Total harmonic current distortion

Time between sunrise and sunset

Dew point temperature at which water vapor will form dew

Compass direction measured in degrees

Compass direction from which wind originates

Electrical current

Magnitude of electrical current

Electrical voltage, potential difference

Magnitude of electrical voltage

Amount of a substance discharged into the air

Greenhouse gas emission of methane (CH₄) into the air

Greenhouse gas emission of carbon dioxide (CO₂) into the air

Greenhouse gas emission of hydrofluorocarbons into the air

Greenhouse gas emission of nitrous oxide (N₂O) into the air

Greenhouse gas emission of nitrogen trifluoride (NF₃) into the air

Greenhouse gas emission of perfluorocarbons into the air

Greenhouse gas emission of sulphur hexafluoride (SF₆) into the air

Measure of ability to do work

Electrical energy consumed

Integral of active-power over time

Total heat content of a system

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

Measure of volumetric flow of fluid

Occurrences per unit time

Frequency of alternating current

Percent relative humidity

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

Energy received at a surface by area

Energy received on surface of the earth from the sun

Range from 0% to 100%

Sensed or controlled dimming level of electrical lighting

Energy of light in a given direction

Total perceived light in all directions

Perceived light in a particular direction per unit solid angle

Electrical power factor

Energy consumed per unit time

Electrical energy consumed per unit time

Active power or real power

Active power averaged over a rolling interval

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

Measure of force applied

Barometric pressure exerted by the weight of the atmosphere

Integral of reactive-power over time

Reactive power or imaginary power

Distance per unit time

Wind flow speed

State of charge (SoC) of an electric battery

Temperature - measure of hot and cold

Dry bulb temperature

VFD frequency measured in "Hz"

VFD speed measured in "%"

Distance at which light can be clearly discerned

AC voltage phase angle

AC voltage phase imbalance

Three dimensional space occupied by a substance

Enumeration of weather conditions

Wet bulb air temperature

Data specified by a manufacturer or rating organization

Relating to reactance

Piston compressor driven by a crankshaft

Piston compressor driven by a crankshaft

Command point for reheating process

Envelope covering the top of a building

Rotary screw compression

Rotary screw compression

Device used to route data packets

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

Circuit with single path of flow

Hardware or software which provides services for other programs or devices

Ratio of the maximum continuous output capacity at which a machine or system may operate without damage to the machine or system’s nominal output capacity

Readiness mode of a space

Below the surface of the earth

Device for toggling state or routing data

Total harmonic distortion

Related to energy of heat

Complete or absolute

Indicates a value tag which should not be persisted

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

Unoccupied mode of a space

Valve equipment or control point

Speed in a given direction

Variable-frequency drive

Electrical potential difference or electromotive force

Variable refigerant flow

Relatively warm in comparison to another substance, without being actively heated

Supports writing data

Related to spaces from a system perspective