Cooling process using energy from heat source such as hot water

Relating to alternating current (AC) electricity

Accumulate the tag's value during inheritance and defx

Working, operative, effective

Timeout for messages send to the connector's actor thread

Equipment to move or control a mechanism

Requires admin permission

Air Handling Unit

AHU delivery method of conditioned air to the zone

The mixture of gases which surrounds the earth

Cooling by dissipating heat into the surrounding air

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

Concentration of contaminants in the air

Entity with logical grouping of zone air quality points

Air flows from the referent to this entity

Equipment in air distribution systems which terminate at the space

Ability of air handling equip to adjust volume of air flow

Notification of a condition which requires attention

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

Perceived quantity

Area of a shape or floor space

Associations model ontological relationships between definitions

Aquifer Thermal Energy Storage system

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

Design type of the ATES underground system

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

Related to the atmosphere of the earth

Average

ASHRAE building automation and control protocol

Relating atmospheric pressure

Base URI for normalizing relative URIs

Equipment used to store electric energy

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

Heating by the combustion of biomass

Removal from container or pipe

Blowdown water flows from the referent to this entity

Short range wireless communication protocol

Equipment to generate hot water or steam for heating

Boolean value true or false

Branch selector used for heat recovery in a VRF system

Pipe used to bypass an equipment

An assembly of one or more insulated conductors

Constant air volume terminal unit

Compression via a continuous flow of fluid through an impeller

Formaldehyde (CH₂O)

Methane (CH₄)

List of prototypes contained by this entity

List of aspects to flatten into children prototypes

Substance is cooled using cooling process

Conditions a space using a heat exchanger integrated into the ceiling

AHU supplies air to chilled beam terminal units

Cooling using transfer of heat to chilled water

Chilled water flows from the referent to this entity

Equipment to remove heat from a liquid

Primary mechanism of chiller

Choice specifies an exclusive marker selection

Pipe used to circulate fluid through an equipment or system

Electrical circuit and its associated components such as breakers

Percentage of sky obscured by clouds

Point is a command, actuator, AO/BO

Carbon monoxide (CO)

Carbon dioxide (CO₂)

Carbon dioxide equivalent

Combustible sedimentary rock

Heating by the combustion of coal

Constrained Application Protocol

Heat exchanger used to heat or cool air

Having low degree of heat

Duct carries air for cooling

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

Computed point

Indicates a relationship that is computed from its reciprocal

See Synthetics chapter

General purpose computer

Abundance of substance in the total volume of a mixture

Liquid phase produced by the condensation of steam or other gas

Condensate flows from the referent to this entity

Device or related to process of condensation

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

Removal of heat through the process of water condensation

Open or closed loop for condenser working fluid

Uses working fluid itself for evaporation into the atmosphere

Condenser water flows from the referent to this entity

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

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

Connector for communication to a remote system

Error message associated when connStatus indicates an error condition

Defines the features supported by a given connector

Linger timeout used to keep a connector open

Duration used for connector open retries

Duration used to configure the auto-ping feature on a given connector

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

Current connection state of a connector as one of the predefined strings

Current status of a connector as one of the predefined strings See Connectors

Marker applied to a rec which defines a tuning configuration

Reference to a tuning configuration defined by a connTuning rec

Delivers a constant volume of air flow

The entity is logically contained by the referent

Entities logically contained by this entity

Microprocessor based device used in a control system

Associated with the control system for an industrial process

Associted with low temperature or cooling processes

Cooling mode or process

Measurement of a chiller ability to remove heat measured

Coil used to cool air

Equipment without heating

Processed used to cool a substance

Equipment to transfer waste heat into the atmosphere

Geographic coordinate in latitude/longitude in decimal degrees

Computer Room Air Conditioner

The timestamp when entity was created

Supports current value

Calibration value to apply to adjust the value read from the connector before updating curVal

Conversion to apply when reading curVal from connector

Error description when curStatus indicates error condition

Status of point's current value reading

When configured curVal automatically tracks changes to writeVal and curStatus is set to "ok"

Current value of a point

Movement of fluid or electricity

Digital Addressable Lighting Interface protocol for lighting

Damper equipment or control point

Space used to house computer and networking gear

ISO 8601 date as year, month, day

ISO 8601 timestamp followed by timezone identifier

Time between sunrise and sunset

Relating to direct current (DC) electricity

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

Create a new definition bound to the given symbol

Extends the given definition with additional meta tags

Differential of fluid between entering and leaving sensors

Rate required for a process

List of this library's dependencies

Obsoleted

Data related to intended design and operating conditions

Decreases humidity from air using a substance which absorbs moisture

Microprocessor based hardware device

Device which controls a monitors this entity

Dew point temperature at which water vapor will form dew

Map of name/value tag pairs

Liquid fuel specifically designed for use in diesel engines

AHU supplies air directly to the zone

Compass direction measured in degrees

Display name for an entity

Localized string key formatted as pod::key

Display name using macro syntax

Disables function overridable checking

Indicates the entity is in a disabled state

Duct for air leaving an equipment

Equipment that releases a specific amount of a substance

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

Dedicated Outside Air System

Documentation in simplified flavor of markdown

Generate a section in the docs for this association

Generate a taxonomy tree for this term in the documentationindex

Docker container

Docker image

Current status of a Docker container

Additional human-readable status of the container

For human use

Domestic water flows from the referent to this entity

Two ducts

Conduit used to convey air for HVAC

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

Ductwork configuration

Cold, hot, or neutral deck

Equipment section of ductwork

Number with a unit of time

Cooling using direct expansion of a refrigerant vapor

Heating using direct expansion of a refrigerant vapor

Your Ecobee API Key

Ecobee connector

Used on a proxy point to reference its parent ecobeeConn

Ecobee address to use to get the current value

Ecobee address to use to sync point history

Point which synchronizes data via an Ecobee connector

The refresh token you obtained for your API key

Ecobee address to use to write a point value

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

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"

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

Heating by the conversion of electrical energy

Single-phase line measurement of an electric quantity in a multi-phase AC electric power system

Single-phase electric quantity measured line-to-line in a multi-phase AC electric power system

Single-phase electric quantity measured line-to-neutral in a multi-phase AC electric power system

Electricity flows from the referent to this entity

Enclosure used to move people between floors

Amount of a substance discharged into the air

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

Measure of ability to do work

Pipe conveys fluid into an equipment

Total heat content of a system

Top-level dicts with a unique identifier

Defines an eumeration of string key names

Project singleton record with enumeration name/code definitions

Equipment asset

Reference to equip which contains this entity

Indicates an error condition, dis should contain display message

Exception stack trace

Moving staircase used to move people between floors

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

Electric Vehicle Supply Equipment

Physical type of evse-cable

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

Status of one or more evse-port reported by an EVSE

Duct used to expel air back outside

Supplied out of a system

Axon expression string

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

Fan Coil Unit

Feature namespace of definitions formatted as feature:name

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

Filename extension such as "csv"

File format type definition

Related to an air or fluid filter

Haystack filter string

Flags string

Storey of a building

Unitless integer indicating the floor's distance from ground level

Measure of volumetric flow of fluid

System to change direction of substance flow

Duct for exhausting combustion

Liquid or gas

Measurement through a given surface

Registers a function as folding a given value type

A boolean point of an ahu indicating a freezing condition

Occurrences per unit time

File Transfer Protocol

Petroleum based oil burned for energy

Heating by the combustion of fuel oil

Fuel oil flows from the referent to this entity

Ventilation equipment to limit exposure to hazardous fumes

Axon function

Substance with neither definite volume nor shape

Petroleum derived liquid used as a fuel source

Gasoline flows from the referent to this entity

Free form street address

Geographic city or locality name

Geographic coordinate as C(latitude,longitude)

Geographic country as ISO 3166-1 two letter code

Geographic subdivision of US state

Elevation above sea-level of the location

Geographic place

Geographic postal code

State or province name

Geographic street address and name

Two dimension table of columns and rows

Related to the surface of the earth

Haystack HTTP protocol for exchanging tagged data

Haystack connector to a Haystack REST API server

Used on a proxy point to reference its parent haystackConn

Used on a haystack proxy point to store the id of the entity in the remote system used to read and watch curVal

Used on a haystack proxy point object to store the id of the historized point in the remote system used to sync history data

Point which synchronizes data via a Haystack connector

Applied to haystackConn to tune the duration between watch polls

Used on a haystack proxy point to store the id of the entity in the remote system used to write writeVal

Number between 1 and 16 used with haystackWrite to determine which priority level of the remote system is written to

Pipe used as central connection or manifold for other piping runs

Associated with a heating process

Equipment to transfer heat between two working fluids

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

Coil used to heat air

Equipment without cooling

Processed used to heat a substance

Hydrofluorocarbons

Supports historization of data

Enables COV history collection of the curVal

Rate limits the frequency for hisCollectCov

Enables interval history collection of the curVal

Historize the NA value whenever the curVal is null or curStatus is not equal to "ok"

This tag configures how long to buffer collected history items in memory before flushing them to the historian

Conversion to apply when reading history data from connector

Error description when hisStatus indicates error condition

Indicates the way that history data is collected for a point

Status of point's history collection or synchronization

Indicates values which are a continuous stream of totalization

Having high degree of heat

Duct carries air for heating

Heating using energy of hot water

Hot water flows from the referent to this entity

Hypertext Transfer Protocol which is foundation of the web

Adding moisture to air

Percent relative humidity

Heating, ventilation, and air conditioning

Operational mode for HVAC equipment

Entity with logical grouping of zone HVAC air points

Water in its solid form

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

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

Internet Message Access Protocol for retrieving email

Lacking balance

Received into a system

Operates inside the conditioned space

Permeation of a substance into another substance

Duct with air entering an equipment

Entity inputs a substance which flows from another entity

The entity inputs a substance from the referent

Unitless integer number

Measure of an electromagnetic field

Energy received at a surface by area

Defines one or more supertypes of a subtyping relationship

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

Kind name used to identity a value data type

KNX protocol commonly used for lighting systems

Portable laptop computer

Pipe conveys fluid out of an equipment

Range from 0% to 100%

Library module of symbolic definitions

Electromagnetic radiation in the visible spectrum

Systems associated with illumination in the built environment

Entity with logical grouping of lighting points

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

Single-phase line current measured in an AC electric power system

Single-phase energy measured line-to-line in an AC electric power system

Single-phase power factor measured line-to-line in an AC electric power system

Single-phase power measured line-to-line in an AC electric power system

Single-phase voltage measured line-to-line in an AC electric power system

Substance with definite volume but takes the shape of its container

Ordered list of zero or more values

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

Light fixture using electricity to provide illumination

Energy of light in a given direction

Relating to light as perceived by the eye

Size or extent

Restore something missed or lost

Makeup water flows from the referent to this entity

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

Marker labels a dict with typing information

Makeup Air Unit

Maximum

Inclusive maximum for a numeric value

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

Equipment to meter a substance or phenomenon

Classifies a meter as a main site meter or submeter

Mime type formatted as type/subtype

Minimum

Inclusive minimum for a numeric value

Duct where fresh outside air and return air is mixed together

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

Machine learning point

Training period description, known as the identification period or baseline, utilized during the model training process

List of independent variables, also known as model inputs or features, associated with a machine learning model

See Synthetics chapter

Goodness-of-fit metrics provided in the form of a simple dictionary

Result of model identification, which may appear as a list of model parameters for simpler models or as a reference to a stored model, in the form of a file uri

Dependent variable, also known as the model output or target, associated, with a machine learning model

Machine learning variable representing both model inputs and outputs

Filter used for querying points by tags, providing more flexibility than mlVarPoint, although it is not mandatory

Reference to a point associated with a machine learning variable, known as a machine learning variable point

Reference to a machine learning variable

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

Last modified time of record - see docSkySpark

Register based communication protocol used with industrial devices

Applied to modbusConn to allow for gaps in block reads

Applied to modbusConn to limit the maximum number of registers to read in a block read

Modbus connector

Used on a proxy point to reference its parent modbusConn

Modbus address to use for current value subscriptions

Point which synchronizes data via a Haystack connector

How long to wait before timing out on a modbus read

Applied to modbusConn to define the register map CSV file

Applied to modbusConn to identify the slave address on this modbus network

Used on a modbus proxy point to store the id of the entity in the remote system used to write writeVal

How long to wait before timing out on a modbus write

Equipment that converts electrical energy into mechanical energy

Conveyor to move people across a horizontal or inclined plane

Message Queuing Telemetry Transport publish/subscribe protocol

Used on an mqttConn to indicate which certificate and key pair to use for client authentication to the broker

Whether to set the clean session flag on the connect request to the broker

The client identifier to use when connecting to the broker

MQTT connector to an MQTT Broker

Used on a proxy point to reference its parent mqttConn

How many times to retry sending messages that require acknowlegment

Point which synchronizes data via a MQTT connector

MQTT Quality of Service (QoS)

• 0 - At most once (fire-and-forget)
• 1 - At least once
• 2 - Exactly once

Set the retention flag on a published message

How long to wait between retries for messages that require acknowlegment

MQTT protocol version

Indicates that a multi-line text input should be used

AHU discharge air is split into a duct per zone

Nitrous oxide (N₂O)

Not available used to indicate invalid or missing data

Name key

Fossil fuel energy source consisting largely of methane and other hydrocarbons

Heating by the combustion of natural gas

Natural gas flows from the referent to this entity

The OAuth client_id for your application

The OAuth client_secret for your application

Google Nest connector

Used on a proxy point to reference its parent nestConn

Nest address to use to get the current value

Point which synchronizes data via a Nest connector

The project identifier from your Google Device Access project

The OAuth refresh_token for your application

Nest address to use to write a point value

Difference between import and export

Logical communications network between two or more devices

Associates a device which communicates on specific a network

Related to data communication networks

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

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

Nitrogen trifluoride (NF₃)

Ammonia (NH₃)

Nitrogen dioxide (NO₂)

Marks a function or operation as having no side effects

Marks a Haxall library as not runnable on SkySpark enabled products

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

Integer or floating point numbers annotated with an optional unit

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

Ozone (O₃)

XML based Open Building Information eXchange protocol

Connector to an oBIX HTTP server

Used on a proxy point to reference its parent obixConn

Used on a oBIX proxy point to store the URI of the entity in the remote system used to read and watch curVal

URI of the obix:History to synchronized history data

The lobby URI is used to address an obixConn API endpoint

Point which synchronizes data via a oBIX connector

Duration between obixConn watch polls

Server export of a writable point as an obix:Writable:Point

URI of the obix:WritablePoint to write writeVal

Number between 1 and 16 used with obixWrite to determine which priority level of the remote system is written to

Fire add event for all existing records in data set on initialization

Process when a new data item is added to the observed data set

Subscribe to record commits in Folio - see docs

Subscribe to transient commits of curVal or curStatus - see docs

Filter string to define the record data set observed

Subscribe to history data updates- see docs

Subscribe to MQTT connector published messages

Subscribe to the topic on this MQTT connector

Receive published messages that match this filter

Subscribe to writable point priority array updates - see docs

Base class for observables on database records

Process when an existing data item is removed from the observed data set

Subscribe to scheduled timer event - see docs

Schedule events for given days of the month

Schedule events for given days of the week

Schedule events with given frequency

Schedule events only during the configured span of time

Schedule events for given times of the day

Process when an existing data item is updated in the observed data set

Subscribe to watch and unwatch events - see docs

Observable subscription - see docs

Observable subscription - see docs

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

Expected value type of a collection, reference, or choice

Operation for HTTP API

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

The entity outputs a substance to the referent

Duct to access fresh outside air for both ventilation and economizer

Applied to an ext function to enable override by project record functions

Enclosure for electrical and control equipment

Circuit with multiple paths of flow

Manages password which is hashed/stored to the password store

Auxiliary heating points associated with a vav

Electric power factor

Displacement power factor, which accounts for the phase angle between voltage and current but excludes effects of nonlinear waveforms ( harmonic distortion)

Distortion power factor, which measures the component of power factor attributable to harmonic distortion in voltage and current waveforms

Power factor according to the IEC convention defines a positive or negative sign based on the direction of active power flow

Power factor according to the IEEE convention defines a positive or negative sign based on whether the load is capacitive or inductive

Power factor scope

Standard for interpreting power factor's positive or negative sign

True power factor, which includes effects of harmonic distortion

Perfluorocarbons

Phase measurement in a three-phase electrical system

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

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

Single-phase current measured line-to-line in an AC electric power system

Single-phase energy measured line-to-neutral in an AC electric power system

Single-phase power factor measured line-to-neutral in an AC electric power system

Single-phase power measured line-to-neutral in an AC electric power system

Single-phase voltage measured line-to-neutral in an AC electric power system

Aspect of scientific interest with measurable quantities

Telephone used for voice telecommunication

Conduit used to convey a fluid

Type of fluid conveyed by piping

Equipment section of piping

Central plant used to generate a substance for a process

Plant piping loop

Particulate matter 0.1

Particulate matter 10

Particulate matter 2.5

Data point such as a sensor or actuator

Point value conversion used to normalize data to/from a remote system

Classifies the point as a sensor, command, or setpoint

Grouping of children points used by spaces and equipment

Quantity the point senses or controls

See Synthetics chapter

What the point senses or controls

Frequency between polls of curVal

Post Office Protocol version 3 for retrieving email

A gateway or opening used to transfer a substance

Energy consumed per unit time

Converts one electrical waveform to another using power electronic circuitry

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

Defines a preferred unit to be used with a quantity

Measure of force applied

VAV damper modulates to control space temp

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

Primary function of building as US Energy Star key

Pipework which circulates closest to the energy source

Industrial or HVAC process

Singleton record for project meta data

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

Heating by the combustion of propane

Communication protocol used for devices on a network

Pump equipment or control point

Associated with a cleaning process to remove contaminants

Quantity measured against standard metric

Quantities used to measure this phenomenon

Measurable property of a substance or phenomenon

Associates quantity as measurement of a phenomenon

Enclosure or chassis used to mount computer and networking gear

HVAC equipment that conditions a space without forced air

Heats a space using pipes or cables embedded beneath floor

Heats a space using exposed pipes or coils

Data specified by a manufacturer or rating organization

Relating to reactance

Fantom type qname for reader class

Piston compressor driven by a crankshaft

Specifies the inverse of an association or relationships

Reference to an entity

Fluid used in refrigeration and heat exchange

Refrigerant flows from the referent to this entity

Command point for reheating process

Ref tags used to model entity-to-entity relationships

Singleton for remove operation

Duct returning air back to equipment

Envelope covering the top of a building

Enclosed room of a building

Rotary screw compression

Device used to route data packets

Roof Top Unit

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

Scalar is an atomic value kind

Pipework which circulates closest to the building or end use

Sedona Sox connector to a remote device

Used on a proxy point to reference its parent sedonaConn

Sedona address to use for current value subscritions

Point which synchronizes data via a Sedona connector

Sedona address to use for writing

Point is a sensor, input, AI/BI

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

Sulphur hexafluoride (SF₆)

Simulation point

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

See Synthetics chapter

One single duct

Single-phase AC electricity

Site is a geographic location of the built environment

Main meter for the associated site

Marker tag applied to a point to indicate the point is site-wide

Reference to site which contains the entity

Simple Mail Transfer Protocol for sending email

Simple Network Management Protocol for managing IP devices

Relating to energy from the sun

Substance with definite shape and volume

Sedona Framework UDP based communication protocol

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

Space is a three-dimensional volume in the built environment

Reference to space which contains this entity

Time span as modeled encoded as XStr

Distance per unit time

Split-phase AC electricity

SQL connector to a relational database using JDBC

Used on a proxy point to reference its parent sqlConn

Arbitrary key used by the SQL connector to synchronized history data

Point which synchronizes data via a SQL connector

This is a tag which must be configured on each sqlConn record used by the connSyncHis() function

Source code

Stage number of staged equipment operation such as coil or pump

Time before a point's curStatus marked from "ok" to "stale" See Connector Tuning

Readiness mode of a space

State of charge (SoC) of an electric battery

The delay before transitioning to the steady state

Water in its gas form

Heating using energy of steam

Steam flows from the referent to this entity

Unicode string of characters

Requires superuser permission

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

Reference to parent meter which is immediately upstream of this meter

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

Below the surface of the earth

Device for toggling state or routing data

Symbol to a def

Synthetic point with computed operational data

See Synthetics chapter

See Synthetics chapter

Grouping of related equipment dedicated to a single application

Reference to system

Mobile device with touch screen for user input

This tag is used on the given entity

Tags used with this entity

Tank used to store a substance for temporary holding

Substance stored by a tank

Dispatch task function

Task messaging handling Axon expression

Current status of a task

Temperature - measure of hot and cold

Pipework which circulates within the building

Total harmonic distortion

Related to energy of heat

Senses and controls temperature of space in HVAC system

Three-phase AC electricity

ISO 8601 time as hour, minute, seconds

Complete or absolute

Indicates a value tag which should not be persisted

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

Marks a record for deletion

Three ducts

Total volatile organic compound (TVOC)

Two-phase AC electricity

Fantom type qname

Timezone identifier from standard timezone database

Unit identifier from standard unit database

Unit Ventilator

Unoccupied mode of a space

Uninterruptible power supply

Universal resource identifier

Username for an authentication account

Data value type

Valve equipment or control point

Delivers a variable volume of air flow

Variable air volume terminal unit

How does the VAV pull in air

How does VAV modulate the temp based on duct pressure

AHU supplies air to VAV terminal units

Speed in a given direction

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

Version string formatted as decimal integers separated by a dot

Equipment to move humans and materials

Variable-frequency drive

Distance at which light can be clearly discerned

Electrical potential difference or electromotive force

Three dimensional space occupied by a substance

Variable refigerant flow

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

Water in its liquid form

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

Associated with atmospheric air or phenomenon

Enumeration of weather conditions

Logical weather station and its measurement points

Reference to weather station for to use this entity

A well is a source of groundwater and potentially thermal energy

Wet bulb air temperature

Hyperlink to the subject's page on Wikipedia

Flow of air on surface of the Earth

Cabling used to convey electricity or data

Supports writing data

Conversion to apply when writing writeVal to the connector

Error description when writeStatus indicates error condition

Current priority level for writeVal as number between 1 and 17

Maximum time between writes used to send periodic writes

Minimum time between writes used to throttle the speed of writes

Issue a write every time the connector transitions from open to closed

Issue a write when the system first starts up

Current status of a writable point output

Current desired value to write to output

Fantom type qname for writer class

Extended string - type name and string value encoding

Original year of construction as four digit year such as 1980

Low power wireless communication protocol for home automation

Related to spaces from a system perspective

Low power wireless communication protocol for home automation