BEDES Dictionary

Version 2.6

You can explore the BEDES dictionary in several ways: use the search box to search for a particular term; filter the list of terms by category using the checkboxes below; click on each term for more details. You can also download all the terms and list options in CSV or XML format using the buttons below.

All Terms:
BEDES TERMS CSV [version]BEDES TERMS XML [version]
All List Options:
BEDES LIST OPTIONS CSV [version]BEDES LIST OPTIONS XML [version]
 
Filter By Category
HVAC
Termsort ascending Term Definition Lists Unit of Measure
Duct Surface Area

Total surface area of ducts associated with this air distribution system.

ft2
Duct Sealing

Condition of duct sealing.

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Duct Pressure Test Leakage Rate

Duct leakage found from pressure test. Reported in cubic feet per minute.

cfm
Duct Pressure Test Leakage Percentage

Duct leakage found from pressure test. Reported as a percentage. [%]

percent
Duct Leakage Test Method

Method used to estimate duct leakage

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Duct Insulation R Value

R-value of duct insulation.

hr-ft2-F/Btu
Duct Configuration

Configuration of ducts.

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Draft Type

Draft mechanism used for drawing air through a boiler, furnace, or water heater.

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Design Static Pressure

The design static pressure for the fan

Pa
Dehumidification Type

Dehumidification type in air-distribution system.

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Cooling Type

Source of cooling. Cooling delivery is recorded in a separate data field. Use of fans or blowers by themselves without chilled air or water is not included in this definition of cooling. Stand-alone dehumidifiers are also not included.

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Cooling Stage Capacity

Average capacity of each cooling stage, at ARI rated conditions, expressed as a fraction of total capacity

None
Cooling Medium

Medium used to transport cooling energy from a central cooling system to individual zones.

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Cooling Heating Type

Type of cooling or heating system

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Cooling Heating Medium

Cooling or heating medium

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Cooling Heating Delivery Type

Delivery type of either a cooling or heating system

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Cooling Delivery Type

Method of delivering cooling to the zone.

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Condensing Operation

Capability of a boiler or furnace of condensing the water vapor in the exhaust flue gas to obtain a higher efficiency.

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Condenser Type

Type of condenser used for DX cooling plant.

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Condenser Fan Speed Operation

The condenser fan control option used by the unit. If the unit has several constant-speed condenser fans that stage on in conjunction with multiple compressors, this should be set to ÒStepped Speed.Ó

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Compressor Staging

The compressor staging for the unit. Select "Single Stage" for units with single stage (on/off) control. Select "Multiple, Discrete Stages" for units with multiple compressors, discrete unloading stages, or compressors with stepped speed motors that are controlled to operate at discrete stages. Select "Variable" for compressors that operate at variable speeds or with modulating unloading.

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Chiller Compressor Type

Type of compressor in the chiller.

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Chiller Compressor Driver

Equipment driving the compressor used in a chiller

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Cell Count

The number of cells in the cooling tower. Each cell has its own fan, water flow allowing for responding to lower load conditions

count
Cell Control Type

Cooling tower cell control type. A cooling tower cell is the smallest tower subdivision bounded by either exterior walls or partition walls, which can function as an independent unit with regard to air and water flowMost larger cooling tower systems use a multiple-cell configuration. This configuration allows for the correct staging of equipment as the facility loads vary and incorporate redundancies such that critical operations are never in jeopardy of being nonoperational.

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