Relationships
brick: feedsRELATIONSHIPNightly
Definitions
The subject is upstream of the object in the context of some sequential process; some media is passed between them
SubProperties
Inverse
brick: feedsAirRELATIONSHIPNightly
Definitions
Passes air
Parent Properties
brick: hasAddressRELATIONSHIPNightly
Definitions
To specify the address of a building.
brick: hasAssociatedTagRELATIONSHIPNightly
Definitions
The class is associated with the given tag
brick: hasInputSubstanceRELATIONSHIPNightly
Definitions
The subject receives the given substance as an input to its internal process
brick: hasLocationRELATIONSHIPNightly
Definitions
Subject is physically located in the location given by the object
brick: hasOutputSubstanceRELATIONSHIPNightly
Definitions
The subject produces or exports the given substance from its internal process
brick: hasPartRELATIONSHIPNightly
Definitions
The subject is composed in part of the entity given by the object
Inverse
brick: hasPointRELATIONSHIPNightly
Definitions
The subject has a source of telemetry identified by the object. In some systems the source of telemetry may be represented as a digital/analog input/output point
Range
brick: hasQUDTReferenceRELATIONSHIPNightly
Definitions
Points to the relevant QUDT definition
brick: hasTagRELATIONSHIPNightly
Definitions
The subject has the given tag
Inverse
brick: hasTimeseriesIdRELATIONSHIPNightly
Definitions
The unique identifier (primary key) for this TimeseriesReference in some database
brick: hasUnitRELATIONSHIPNightly
Definitions
The QUDT unit associated with this Brick entity (usually a Brick Point instance or Entity Property)
brick: isAssociatedWithRELATIONSHIPNightly
Definitions
The tag is associated with the given class
brick: isLocationOfRELATIONSHIPNightly
Definitions
Subject is the physical location encapsulating the object
brick: isPointOfRELATIONSHIPNightly
Definitions
The subject is a source of telemetry related to the object. In some systems the source of telemetry may be represented as a digital/analog input/output point
Inverse
Domain
brick: measuresRELATIONSHIPNightly
Definitions
The subject measures a quantity or substance given by the object
Domain
brick: regulatesRELATIONSHIPNightly
Definitions
The subject contributes to or performs the regulation of the substance given by the object
brick: storedAtRELATIONSHIPNightly
Definitions
A reference to where the data for this TimeseriesReference is stored
brick: timeseriesRELATIONSHIPNightly
Definitions
Relates a Brick point to the TimeseriesReference that indicates where and how the data for this point is stored
Domain
brick: valueRELATIONSHIPNightly
Definitions
The basic value of an entity property
brick: aggregateENTITY_PROPERTYNightly
Definitions
Description of how the dta for this point is aggregated
Domain
brick: areaENTITY_PROPERTYNightly
Definitions
Entity has 2-dimensional area
brick: grossAreaENTITY_PROPERTYNightly
Definitions
Entity has gross 2-dimensional area
Parent Properties
brick: netAreaENTITY_PROPERTYNightly
Definitions
Entity has net 2-dimensional area
Parent Properties
brick: panelAreaENTITY_PROPERTYNightly
Definitions
Surface area of a panel, such as a PV panel
Parent Properties
brick: azimuthENTITY_PROPERTYNightly
Definitions
(Horizontal) angle between a projected vector and a reference vector (typically a compass bearing). The projected vector usually indicates the direction of a face or plane.
brick: buildingPrimaryFunctionENTITY_PROPERTYNightly
Definitions
Enumerated string applied to a site record to indicate the building's primary function. The list of primary functions is derived from the US Energy Star program (adopted from Project Haystack)
brick: conversionEfficiencyENTITY_PROPERTYNightly
Definitions
The percent efficiency of the conversion process (usually to power or energy) carried out by the entity
brick: measuredModuleConversionEfficiencyENTITY_PROPERTYNightly
Definitions
The measured percentage of sunlight that is converted into usable power
Parent Properties
brick: ratedModuleConversionEfficiencyENTITY_PROPERTYNightly
Definitions
The *rated* percentage of sunlight that is converted into usable power, as measured using Standard Test Conditions (STC): 1000 W/sqm irradiance, 25 degC panel temperature, no wind
Parent Properties
brick: coolingCapacityENTITY_PROPERTYNightly
Definitions
Measurement of a chiller ability to remove heat (adopted from Project Haystack)
Domain
brick: coordinatesENTITY_PROPERTYNightly
Definitions
The location of an entity in latitude/longitude
brick: currentFlowTypeENTITY_PROPERTYNightly
Definitions
The current flow type of the entity
brick: electricalPhaseCountENTITY_PROPERTYNightly
Definitions
Entity has these phases
brick: electricalPhasesENTITY_PROPERTYNightly
Definitions
Entity has these electrical AC phases
brick: measuredPowerInputENTITY_PROPERTYNightly
Definitions
The nominal measured power input of the entity
brick: measuredPowerOutputENTITY_PROPERTYNightly
Definitions
The nominal measured power output of the entity
brick: operationalStageENTITY_PROPERTYNightly
Definitions
The associated operational stage
brick: operationalStageCountENTITY_PROPERTYNightly
Definitions
The number of operational stages supported by this eqiupment
brick: powerComplexityENTITY_PROPERTYNightly
Definitions
Entity has this power complexity
brick: powerFlowENTITY_PROPERTYNightly
Definitions
Entity has this power flow relative to the building'
brick: ratedCurrentInputENTITY_PROPERTYNightly
Definitions
The nominal rated current input of the entity
brick: ratedMaximumCurrentInputENTITY_PROPERTYNightly
Definitions
The maximum current that can be input to the entity
Parent Properties
brick: ratedMinimumCurrentInputENTITY_PROPERTYNightly
Definitions
The minimum current that can be input to the entity
Parent Properties
brick: ratedCurrentOutputENTITY_PROPERTYNightly
Definitions
The nominal rated current output of the entity
brick: ratedMaximumCurrentOutputENTITY_PROPERTYNightly
Definitions
The maximum current that can be output by the entity
Parent Properties
brick: ratedMinimumCurrentOutputENTITY_PROPERTYNightly
Definitions
The minimum current that can be output by the entity
Parent Properties
brick: ratedPowerInputENTITY_PROPERTYNightly
Definitions
The nominal rated power input of the entity
brick: ratedPowerOutputENTITY_PROPERTYNightly
Definitions
The nominal rated power output of the entity
brick: ratedVoltageInputENTITY_PROPERTYNightly
Definitions
The nominal rated voltage input of the entity
brick: ratedMaximumVoltageInputENTITY_PROPERTYNightly
Definitions
The maximum voltage that can be input to the entity
Parent Properties
brick: ratedMinimumVoltageInputENTITY_PROPERTYNightly
Definitions
The minimum voltage that can be input to the entity
Parent Properties
brick: ratedVoltageOutputENTITY_PROPERTYNightly
Definitions
The nominal rated voltage output of the entity
brick: ratedMaximumVoltageOutputENTITY_PROPERTYNightly
Definitions
The maximum voltage that can be output by the entity
Parent Properties
brick: ratedMinimumVoltageOutputENTITY_PROPERTYNightly
Definitions
The minimum voltage that can be output by the entity
Parent Properties
brick: temperatureCoefficientofPmaxENTITY_PROPERTYNightly
Definitions
The % change in power output for every degree celsius that the entity is hotter than 25 degrees celsius
brick: thermalTransmittanceENTITY_PROPERTYNightly
Definitions
The area-weighted average heat transfer coefficient (commonly referred to as a U-value)
brick: buildingThermalTransmittanceENTITY_PROPERTYNightly
Definitions
The area-weighted average heat transfer coefficient (commonly referred to as a U-value) for a building envelope
Parent Properties
brick: tiltENTITY_PROPERTYNightly
Definitions
The direction an entity is facing in degrees above the horizon
brick: volumeENTITY_PROPERTYNightly
Definitions
Entity has 3-dimensional volume
brick: yearBuiltENTITY_PROPERTYNightly
Definitions
Four digit year that a building was first built. (adopted from Project Haystack)
Classes
brick: LoopCLASSNightly
Definitions
A collection of connected equipment; part of a System
Parent Classes
brick: Air LoopCLASSNightly
Definitions
The set of connected equipment serving one path of air
Parent Classes
brick: Water LoopCLASSNightly
Definitions
A collection of equipment that transport and regulate water among each other
Parent Classes
brick: Chilled Water LoopCLASSNightly
Definitions
A collection of equipment that transport and regulate chilled water among each other
Parent Classes
brick: Domestic Water LoopCLASSNightly
Parent Classes
brick: Hot Water LoopCLASSNightly
Definitions
A collection of equipment that transport and regulate hot water among each other
Parent Classes
brick: PV ArrayCLASSNightly
Equivalent Classes
Definitions
A collection of photovoltaic panels
Parent Classes
brick: Photovoltaic ArrayCLASSNightly
Equivalent Classes
Definitions
A collection of photovoltaic panels
Parent Classes
brick: PortfolioCLASSNightly
Definitions
A collection of sites
Parent Classes
brick: SystemCLASSNightly
Definitions
A System is a combination of equipment and auxiliary devices (e.g., controls, accessories, interconnecting means, and termiĀ­nal elements) by which energy is transformed so it performs a specific function such as HVAC, service water heating, or lighting. (ASHRAE Dictionary).
Parent Classes
brick: Domestic Hot Water SystemCLASSNightly
Definitions
The equipment, devices and conduits that handle the production and distribution of domestic hot water in a building
Parent Classes
brick: Electrical SystemCLASSNightly
Definitions
Devices that serve or are part of the electrical subsystem in the building
Parent Classes
Subclasses
brick: Energy SystemCLASSNightly
Definitions
A collection of devices that generates, stores or transports electricity
Parent Classes
brick: Energy Generation SystemCLASSNightly
Definitions
A collection of devices that generates electricity
Parent Classes
brick: PV Generation SystemCLASSNightly
Definitions
A collection of photovoltaic devices that generates energy
brick: Energy Storage SystemCLASSNightly
Definitions
A collection of devices that stores electricity
Parent Classes
brick: Battery Energy Storage SystemCLASSNightly
Definitions
A collection of batteries that provides energy storage, along with their supporting equipment
brick: Gas SystemCLASSNightly
Parent Classes
brick: HVAC SystemCLASSNightly
Definitions
See Heating_Ventilation_Air_Conditioning_System
The equipment, distribution systems and terminals that provide, either collectively or individually, the processes of heating, ventilating or air conditioning to a building or portion of a building
Parent Classes
brick: Heating Ventilation Air Conditioning SystemCLASSNightly
Equivalent Classes
Definitions
The equipment, distribution systems and terminals that provide, either collectively or individually, the processes of heating, ventilating or air conditioning to a building or portion of a building
See Heating_Ventilation_Air_Conditioning_System
Parent Classes
brick: Air SystemCLASSNightly
Definitions
The equipment, distribution systems and terminals that introduce or exhaust, either collectively or individually, the air into and from the building
brick: Ventilation Air SystemCLASSNightly
Definitions
The equipment, distribution systems and terminals that introduce or exhaust, either collectively or individually, the air used for the ventilation system of the building
The equipment, devices, and conduits that handle the introduction and distribution of ventilation air in the building
Parent Classes
brick: Steam SystemCLASSNightly
Definitions
The equipment, devices and conduits that handle the production and distribution of steam in a building
brick: Water SystemCLASSNightly
Definitions
The equipment, devices and conduits that handle the production and distribution of water in a building
brick: Chilled Water SystemCLASSNightly
Definitions
The equipment, devices and conduits that handle the production and distribution of chilled water in a building
Parent Classes
brick: Condenser Water SystemCLASSNightly
Definitions
A heat rejection system consisting of (typically) cooling towers, condenser water pumps, chillers and the piping connecting the components
Parent Classes
brick: Hot Water SystemCLASSNightly
Definitions
The equipment, devices and conduits that handle the production and distribution of hot water in a building
Parent Classes
brick: Heat Recovery Hot Water SystemCLASSNightly
Parent Classes
brick: Lighting SystemCLASSNightly
Definitions
The equipment, devices and interfaces that serve or are a part of the lighting subsystem in a building
Parent Classes
brick: Emergency Air Flow SystemCLASSNightly
Parent Classes
brick: Emergency Power Off SystemCLASSNightly
Definitions
A system that can power down a single piece of equipment or a single system from a single point
Parent Classes
brick: Fire Safety SystemCLASSNightly
Definitions
A system containing devices and equipment that monitor, detect and suppress fire hazards
Parent Classes
brick: Shading SystemCLASSNightly
Definitions
Devices that can control daylighting through various means
Parent Classes
brick: EquipmentCLASSNightly
Definitions
devices that serve all or part of the building and may include electric power, lighting, transportation, or service water heating, including, but not limited to, furnaces, boilers, air conditioners, heat pumps, chillers, water heaters, lamps, luminaires, ballasts, elevators, escalators, or other devices or installations.
brick: Breaker PanelCLASSNightly
Definitions
Breaker Panel distributes power into various end-uses.
brick: Bus RiserCLASSNightly
Definitions
Bus Risers are commonly fed from a switchgear and rise up through a series of floors to the main power distribution source for each floor.
brick: Disconnect SwitchCLASSNightly
Definitions
Building power is most commonly provided by utility company through a master disconnect switch (sometimes called a service disconnect) in the main electrical room of a building. The Utility Company provided master disconnect switch often owns or restricts access to this switch. There can also be other cases where a disconnect is placed into an electrical system to allow service cut-off to a portion of the building.
brick: Energy StorageCLASSNightly
Definitions
Devices or equipment that store energy in its various forms
Subclasses
brick: BatteryCLASSNightly
Definitions
A container that stores chemical energy that can be converted into electricity and used as a source of power
Parent Classes
brick: InverterCLASSNightly
Definitions
A device that changes direct current into alternating current
brick: Motor Control CenterCLASSNightly
Definitions
The Motor Control Center is a specialized type of switchgear which provides electrical power to major mechanical systems in the building such as HVAC components.
brick: PlugStripCLASSNightly
Definitions
A device containing a block of electrical sockets allowing multiple electrical devices to be powered from a single electrical socket.
brick: SwitchgearCLASSNightly
Definitions
A main disconnect or service disconnect feeds power to a switchgear, which then distributes power to the rest of the building through smaller amperage-rated disconnects.
brick: TransformerCLASSNightly
Definitions
A Transformer is usually fed by a high-voltage source and then steps down the voltage to a lower-voltage feed for low-voltage application (such as lights). Transformers also can step up voltage, but this generally does not apply to in building distribution.
brick: ElevatorCLASSNightly
Definitions
A device that provides vertical transportation between floors, levels or decks of a building, vessel or other structure
Parent Classes
brick: Fire Control PanelCLASSNightly
Definitions
A panel-mounted device that provides status and control of a fire safety system
brick: FurnitureCLASSNightly
Definitions
Movable objects intended to support various human activities such as seating, eating and sleeping
Parent Classes
Subclasses
brick: Stage RiserCLASSNightly
Definitions
A low platform in a space or on a stage
Parent Classes
brick: Gas DistributionCLASSNightly
Definitions
Utilize a gas distribution source to represent how gas is distributed across multiple destinations
Parent Classes
brick: AHUCLASSNightly
Definitions
Assembly consisting of sections containing a fan or fans and other necessary equipment to perform one or more of the following functions: circulating, filtration, heating, cooling, heat recovery, humidifying, dehumidifying, and mixing of air. Is usually connected to an air-distribution system.
Parent Classes
brick: DOASCLASSNightly
Definitions
See Dedicated_Outdoor_Air_System_Unit
A device that conditions and delivers 100% outdoor air to its assigned spaces. It decouples air-conditioning of the outdoor air, usually used to provide minimum outdoor air ventilation, from conditioning of the internal loads.
brick: Dedicated Outdoor Air System UnitCLASSNightly
Equivalent Classes
Definitions
A device that conditions and delivers 100% outdoor air to its assigned spaces. It decouples air-conditioning of the outdoor air, usually used to provide minimum outdoor air ventilation, from conditioning of the internal loads.
See Dedicated_Outdoor_Air_System_Unit
brick: MAUCLASSNightly
Equivalent Classes
Definitions
See Makeup_Air_Unit
A device designed to condition ventilation air introduced into a space or to replace air exhausted from a process or general area exhaust. The device may be used to prevent negative pressure within buildings or to reduce airborne contaminants in a space.
brick: Makeup Air UnitCLASSNightly
Equivalent Classes
Definitions
A device designed to condition ventilation air introduced into a space or to replace air exhausted from a process or general area exhaust. The device may be used to prevent negative pressure within buildings or to reduce airborne contaminants in a space.
See Makeup_Air_Unit
brick: PAUCLASSNightly
Definitions
A type of AHU, use to pre-treat the outdoor air before feed to AHU
brick: RTUCLASSNightly
Equivalent Classes
Definitions
see Rooftop_Unit
Packaged air conditioner mounted on a roof, the conditioned air being discharged directly into the rooms below or through a duct system.
brick: Rooftop UnitCLASSNightly
Equivalent Classes
Definitions
Packaged air conditioner mounted on a roof, the conditioned air being discharged directly into the rooms below or through a duct system.
see Rooftop_Unit
brick: Air Handler UnitCLASSNightly
Equivalent Classes
Definitions
Assembly consisting of sections containing a fan or fans and other necessary equipment to perform one or more of the following functions: circulating, filtration, heating, cooling, heat recovery, humidifying, dehumidifying, and mixing of air. Is usually connected to an air-distribution system.
Parent Classes
brick: Air Handling UnitCLASSNightly
Equivalent Classes
Definitions
Assembly consisting of sections containing a fan or fans and other necessary equipment to perform one or more of the following functions: circulating, filtration, heating, cooling, heat recovery, humidifying, dehumidifying, and mixing of air. Is usually connected to an air-distribution system.
Parent Classes
brick: Air PlenumCLASSNightly
Definitions
A component of the HVAC the receives air from the air handling unit or room to distribute or exhaust to or from the building
Parent Classes
brick: Return Air PlenumCLASSNightly
Definitions
A component of the HVAC the receives air from the room to recirculate or exhaust to or from the building
Parent Classes
brick: Supply Air PlenumCLASSNightly
Definitions
A component of the HVAC the receives air from the air handling unit to distribute to the building
Parent Classes
brick: Underfloor Air PlenumCLASSNightly
Definitions
An open space between a structural concrete slab and the underside of a raised access floor system that connects to an air handling unit to receive conditioned and/or ventilating air before delivery to the room(s)
Parent Classes
brick: BoilerCLASSNightly
Definitions
A closed, pressure vessel that uses fuel or electricity for heating water or other fluids to supply steam or hot water for heating, humidification, or other applications.
brick: Electric BoilerCLASSNightly
Definitions
A closed, pressure vessel that uses electricity for heating water or other fluids to supply steam or hot water for heating, humidification, or other applications.
Parent Classes
brick: Natural Gas BoilerCLASSNightly
Definitions
A closed, pressure vessel that uses natural gas for heating water or other fluids to supply steam or hot water for heating, humidification, or other applications.
Parent Classes
brick: Condensing Natural Gas BoilerCLASSNightly
Definitions
A closed, pressure vessel that uses natural gas and heat exchanger that capture and reuse any latent heat for heating water or other fluids to supply steam or hot water for heating, humidification, or other applications.
Parent Classes
brick: Noncondensing Natural Gas BoilerCLASSNightly
Definitions
A closed, pressure vessel that uses natural gas with no system to capture latent heat for heating water or other fluids to supply steam or hot water for heating, humidification, or other applications.
Parent Classes
brick: Bypass ValveCLASSNightly
Definitions
A type of valve installed in a bypass pipeline
Parent Classes
brick: Condenser Water Bypass ValveCLASSNightly
Definitions
A valve installed in a bypass line of a condenser water loop
Parent Classes
brick: Differential Pressure Bypass ValveCLASSNightly
Definitions
A 2-way, self contained proportional valve with an integral differential pressure adjustment setting.
Parent Classes
brick: CRACCLASSNightly
Definitions
A device that monitors and maintains the temperature, air distribution and humidity in a network room or data center.
Parent Classes
Subclasses
brick: Standby CRACCLASSNightly
Definitions
A CRAC that is activated as part of a lead/lag operation or when an alarm occurs in a primary unit
brick: CRAHCLASSNightly
Equivalent Classes
Definitions
a computer room air handler (CRAH) uses fans, cooling coils and a water-chiller system to remove heat.
Parent Classes
brick: ChillerCLASSNightly
Definitions
Refrigerating machine used to transfer heat between fluids. Chillers are either direct expansion with a compressor or absorption type.
Parent Classes
brick: Absorption ChillerCLASSNightly
Definitions
A chiller that utilizes a thermal or/and chemical process to produce the refrigeration effect necessary to provide chilled water. There is no mechanical compression of the refrigerant taking place within the machine, as occurs within more traditional vapor compression type chillers.
Parent Classes
brick: Centrifugal ChillerCLASSNightly
Definitions
A chiller that uses the vapor compression cycle to chill water. It throws off the heat collected from the chilled water plus the heat from the compressor to a water loop
Parent Classes
brick: CompressorCLASSNightly
Definitions
(1) device for mechanically increasing the pressure of a gas. (2) often described as being either open, hermetic, or semihermetic to describe how the compressor and motor drive is situated in relation to the gas or vapor being compressed. Types include centrifugal, axial flow, reciprocating, rotary screw, rotary vane, scroll, or diaphragm. 1. device for mechanically increasing the pressure of a gas. 2. specific machine, with or without accessories, for compressing refrigerant vapor.
Parent Classes
brick: Computer Room Air ConditioningCLASSNightly
Equivalent Classes
Definitions
A device that monitors and maintains the temperature, air distribution and humidity in a network room or data center.
Parent Classes
brick: Computer Room Air HandlerCLASSNightly
Equivalent Classes
Definitions
a computer room air handler (CRAH) uses fans, cooling coils and a water-chiller system to remove heat.
Parent Classes
brick: CondenserCLASSNightly
Definitions
A heat exchanger in which the primary heat transfer vapor changes its state to a liquid phase.
Parent Classes
brick: Cooling TowerCLASSNightly
Definitions
A cooling tower is a heat rejection device that rejects waste heat to the atmosphere through the cooling of a water stream to a lower temperature. Cooling towers may either use the evaporation of water to remove process heat and cool the working fluid to near the wet-bulb air temperature or, in the case of closed circuit dry cooling towers, rely solely on air to cool the working fluid to near the dry-bulb air temperature.
Parent Classes
brick: Cooling ValveCLASSNightly
Definitions
A valve that controls air temperature by modulating the amount of cold water flowing through a cooling coil
Parent Classes
brick: DamperCLASSNightly
Definitions
Element inserted into an air-distribution system or element of an air-distribution system permitting modification of the air resistance of the system and consequently changing the airflow rate or shutting off the airflow.
Parent Classes
brick: Economizer DamperCLASSNightly
Definitions
A damper that is part of an economizer that is used to module the flow of air
Parent Classes
brick: Exhaust DamperCLASSNightly
Definitions
A damper that modulates the flow of exhaust air
Parent Classes
brick: Mixed DamperCLASSNightly
Definitions
A damper that modulates the flow of the mixed outside and return air streams
Parent Classes
brick: Outside DamperCLASSNightly
Definitions
A damper that modulates the flow of outside air
Parent Classes
brick: Relief DamperCLASSNightly
Definitions
A damper that is a component of a Relief Air System, ensuring building doesn't become over-pressurised
Parent Classes
brick: Return DamperCLASSNightly
Definitions
A damper that modulates the flow of return air
Parent Classes
brick: EconomizerCLASSNightly
Definitions
Device that, on proper variable sensing, initiates control signals or actions to conserve energy. A control system that reduces the mechanical heating and cooling requirement.
Parent Classes
brick: FanCLASSNightly
Definitions
Any device with two or more blades or vanes attached to a rotating shaft used to produce an airflow for the purpose of comfort, ventilation, exhaust, heating, cooling, or any other gaseous transport.
Parent Classes
brick: Booster FanCLASSNightly
Definitions
Fan activated to increase airflow beyond what is provided by the default configuration
Parent Classes
brick: Ceiling FanCLASSNightly
Definitions
A fan installed on the ceiling of a room for the purpose of air circulation
Parent Classes
brick: Cooling Tower FanCLASSNightly
Definitions
A fan that pulls air through a cooling tower and across the louvers where the water falls to aid in heat exchange by the process of evaporation
Parent Classes
brick: Discharge FanCLASSNightly
Equivalent Classes
Definitions
Fan moving air discharged from HVAC vents
Fan moving supply air -- air that is supplied from the HVAC system into the building
Parent Classes
brick: Exhaust FanCLASSNightly
Definitions
Fan moving exhaust air -- air that must be removed from a space due to contaminants
Parent Classes
brick: Fresh Air FanCLASSNightly
Definitions
Fan moving fresh air -- air that is supplied into the building from the outdoors
Parent Classes
brick: Relief FanCLASSNightly
Definitions
A fan that is a component of a Relief Air System, ensuring building doesn't become over-pressurised
Parent Classes
brick: Return FanCLASSNightly
Definitions
Fan moving return air -- air that is circulated from the building back into the HVAC system
Parent Classes
brick: Standby FanCLASSNightly
Definitions
Fan that is activated as part of a lead/lag operation or when a primary fan raises an alarm
Parent Classes
brick: Supply FanCLASSNightly
Equivalent Classes
Definitions
Fan moving supply air -- air that is supplied from the HVAC system into the building
Fan moving air discharged from HVAC vents
Parent Classes
brick: FilterCLASSNightly
Definitions
Device to remove gases from a mixture of gases or to remove solid material from a fluid
Parent Classes
brick: Final FilterCLASSNightly
Definitions
The last, high-efficiency filter installed in a sequence to remove the finest particulates from the substance being filtered
Parent Classes
brick: Intake Air FilterCLASSNightly
Definitions
Filters air intake
Parent Classes
brick: Mixed Air FilterCLASSNightly
Definitions
A filter that is applied to the mixture of recirculated and outside air
Parent Classes
brick: Pre FilterCLASSNightly
Definitions
A filter installed in front of a more efficient filter to extend the life of the more expensive higher efficiency filter
Parent Classes
brick: Return Air FilterCLASSNightly
Definitions
Filters return air
Parent Classes
brick: Fume HoodCLASSNightly
Definitions
A fume-collection device mounted over a work space, table, or shelf and serving to conduct unwanted gases away from the area enclosed.
Parent Classes
brick: Chilled Water ValveCLASSNightly
Definitions
A valve that modulates the flow of chilled water
brick: Condenser Water ValveCLASSNightly
Definitions
A valve that modulates the flow of condenser water
brick: Makeup Water ValveCLASSNightly
Definitions
A valve regulating the flow of makeup water into a water holding tank, e.g. a cooling tower, hot water tank
brick: HXCLASSNightly
Equivalent Classes
Definitions
See Heat_Exchanger
A heat exchanger is a piece of equipment built for efficient heat transfer from one medium to another. The media may be separated by a solid wall to prevent mixing or they may be in direct contact (BEDES)
Parent Classes
brick: Heat ExchangerCLASSNightly
Equivalent Classes
Definitions
A heat exchanger is a piece of equipment built for efficient heat transfer from one medium to another. The media may be separated by a solid wall to prevent mixing or they may be in direct contact (BEDES)
See Heat_Exchanger
Parent Classes
brick: CoilCLASSNightly
Definitions
Cooling or heating element made of pipe or tube that may or may not be finned and formed into helical or serpentine shape (ASHRAE Dictionary)
brick: Cooling CoilCLASSNightly
Definitions
A cooling element made of pipe or tube that removes heat from equipment, machines or airflows. Typically filled with either refrigerant or cold water.
Parent Classes
brick: Chilled Water CoilCLASSNightly
Definitions
A cooling element made of pipe or tube that removes heat from equipment, machines or airflows that is filled with chilled water.
Parent Classes
brick: Heating CoilCLASSNightly
Definitions
A heating element typically made of pipe, tube or wire that emits heat. Typically filled with hot water, or, in the case of wire, uses electricity.
Parent Classes
brick: Hot Water CoilCLASSNightly
Definitions
A heating element typically made of pipe, tube or wire that emits heat that is filled with hot water.
Parent Classes
brick: Condenser Heat ExchangerCLASSNightly
Definitions
A heat exchanger in which the primary heat transfer vapor changes its state to a liquid phase.
brick: Heat WheelCLASSNightly
Definitions
A rotary heat exchanger positioned within the supply and exhaust air streams of an air handling system in order to recover heat energy
brick: Heating ValveCLASSNightly
Definitions
A valve that controls air temperature by modulating the amount of hot water flowing through a heating coil
Parent Classes
brick: Hot Water ValveCLASSNightly
Definitions
A valve regulating the flow of hot water
brick: Domestic Hot Water ValveCLASSNightly
Definitions
A valve regulating the flow of domestic hot water
Parent Classes
brick: Reheat ValveCLASSNightly
Definitions
A valve that controls air temperature by modulating the amount of hot water flowing through a reheat coil
Parent Classes
brick: Return Heating ValveCLASSNightly
Definitions
A valve installed on the return side of a heat exchanger
Parent Classes
brick: HumidifierCLASSNightly
Definitions
A device that adds moisture to air or other gases
Parent Classes
brick: Isolation ValveCLASSNightly
Definitions
A valve that stops the flow of a fluid, usually for maintenance or safety purposes
Parent Classes
brick: Condenser Water Isolation ValveCLASSNightly
Definitions
An isolation valve installed in the condenser water loop
Parent Classes
brick: PumpCLASSNightly
Definitions
Machine for imparting energy to a fluid, causing it to do work, drawing a fluid into itself through an entrance port, and forcing the fluid out through an exhaust port.
Parent Classes
Subclasses
brick: Water PumpCLASSNightly
Definitions
A pump that performs work on water
Parent Classes
brick: Chilled Water PumpCLASSNightly
Definitions
A pump that performs work on chilled water; typically part of a chilled water system
Parent Classes
brick: Condenser Water PumpCLASSNightly
Definitions
A pump that is part of a condenser system; the pump circulates condenser water from the chiller back to the cooling tower
Parent Classes
brick: Hot Water PumpCLASSNightly
Definitions
A pump that performs work on hot water; typically part of a hot water system
Parent Classes
brick: Space HeaterCLASSNightly
Definitions
A heater used to warm the air in an enclosed area, such as a room or office
Parent Classes
brick: Air DiffuserCLASSNightly
Definitions
A device that is a component of the air distribution system that controls the delivery of conditioned and/or ventilating air into a room
Parent Classes
brick: Displacement Flow Air DiffuserCLASSNightly
Definitions
An air diffuser that is designed for low discharge air speeds to minimize turbulence and induction of room air. This diffuser is used with displacement ventilation systems.
Parent Classes
brick: Jet Nozzle Air DiffuserCLASSNightly
Definitions
An air diffuser that is designed to produce high velocity discharge air stream to throw the air over a large distance or target the air stream to a localize area
Parent Classes
brick: Laminar Flow Air DiffuserCLASSNightly
Definitions
An air diffuser that is designed for low discharge air speeds to provide uniform and unidirectional air pattern which minimizes room air entrainment
Parent Classes
brick: CAVCLASSNightly
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Definitions
A terminal unit for which supply air flow rate is constant and the supply air temperature is varied to meet thermal load
Parent Classes
brick: Chilled BeamCLASSNightly
Definitions
A device with an integrated coil that performs sensible heating of a space via circulation of room air. Chilled Beams are not designed to perform latent cooling; see Induction Units. Despite their name, Chilled Beams may perform heating or cooling of a space depending on their configuration.
Parent Classes
brick: Active Chilled BeamCLASSNightly
Definitions
A Chilled Beam with an integral primary air connection that induces air flow through the device.
Parent Classes
brick: Passive Chilled BeamCLASSNightly
Definitions
A chilled beam that does not have an integral air supply and instead relies on natural convection to draw air through the device.
Parent Classes
brick: Constant Air Volume BoxCLASSNightly
Equivalent Classes
Definitions
A terminal unit for which supply air flow rate is constant and the supply air temperature is varied to meet thermal load
Parent Classes
brick: FCUCLASSNightly
Equivalent Classes
Definitions
See Fan_Coil_Unit
Terminal device consisting of a heating and/or cooling heat exchanger or 'coil' and fan that is used to control the temperature in the space where it is installed
Parent Classes
brick: Fan Coil UnitCLASSNightly
Equivalent Classes
Definitions
Terminal device consisting of a heating and/or cooling heat exchanger or 'coil' and fan that is used to control the temperature in the space where it is installed
See Fan_Coil_Unit
Parent Classes
brick: Induction UnitCLASSNightly
Definitions
A device with an primary air connection and integrated coil and condensate pan that performs sensible and latent cooling of a space. Essentially an Active Chilled Beam with a built in condensate pan.
Parent Classes
brick: Radiant PanelCLASSNightly
Definitions
A temperature-controlled surface that provides fifty percent (50%) or more of the design heat transfer by thermal radiation.
Parent Classes
brick: ESS PanelCLASSNightly
Definitions
See Embedded_Surface_System_Panel
Radiant panel heating and cooling system where the energy heat source or sink is embedded in a radiant layer which is thermally insulated from the building structure.
Parent Classes
brick: Embedded Surface System PanelCLASSNightly
Equivalent Classes
Definitions
Radiant panel heating and cooling system where the energy heat source or sink is embedded in a radiant layer which is thermally insulated from the building structure.
See Embedded_Surface_System_Panel
Parent Classes
brick: RC PanelCLASSNightly
Equivalent Classes
Definitions
See Radiant_Ceiling_Panel
Radiant panel heating and cooling system that are usually made from metal and suspended under the ceiling or insulated from the building structure.
Parent Classes
brick: Radiant Ceiling PanelCLASSNightly
Equivalent Classes
Definitions
Radiant panel heating and cooling system that are usually made from metal and suspended under the ceiling or insulated from the building structure.
See Radiant_Ceiling_Panel
Parent Classes
brick: TABS PanelCLASSNightly
Definitions
See Thermally_Activated_Building_System_Panel
Radiant panel heating and cooling system where the energy heat source or sink is embedded in the building structure such as in slabs and walls.
Parent Classes
brick: Thermally Activated Building System PanelCLASSNightly
Equivalent Classes
Definitions
Radiant panel heating and cooling system where the energy heat source or sink is embedded in the building structure such as in slabs and walls.
See Thermally_Activated_Building_System_Panel
Parent Classes
brick: RadiatorCLASSNightly
Definitions
Heat exchangers designed to transfer thermal energy from one medium to another
Parent Classes
brick: Baseboard RadiatorCLASSNightly
Definitions
Steam, hydronic, or electric heating device located at or near the floor.
Parent Classes
brick: Electric Baseboard RadiatorCLASSNightly
Definitions
Electric heating device located at or near the floor
brick: Hot Water Baseboard RadiatorCLASSNightly
Definitions
Hydronic heating device located at or near the floor
brick: Steam Baseboard RadiatorCLASSNightly
Definitions
Steam heating device located at or near the floor
brick: Electric RadiatorCLASSNightly
Definitions
Electric heating device
Parent Classes
brick: Hot Water RadiatorCLASSNightly
Definitions
Radiator that uses hot water
Parent Classes
brick: Steam RadiatorCLASSNightly
Definitions
Radiator that uses steam
Parent Classes
brick: VAVCLASSNightly
Equivalent Classes
Definitions
See Variable_Air_Volume_Box
A device that regulates the volume and temperature of air delivered to a zone by opening or closing a damper
Parent Classes
InRangeOf