BEDES Dictionary

Version 2.3

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]
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HVAC
Term Term Definition Lists Unit of Measure
Heat Pump Backup Heating Switchover Temperature

Minimum outside temperature at which the heat pump can operate

F
Heat Pump Backup System Fuel

Backup fuel used by the heat pump

View N/A
Heat Pump Sink Source Type

Sink source of the heat pump

View N/A
Heat Recovery Type

Type of heat recovery between two systems.

View N/A
Heating Delivery Type

Method for delivering and or distributing heat to the building or Space Function. May be multiple delivery methods for each plant.

View N/A
Heating Medium

Medium used to transport heat from a central heating system to individual zones.

View N/A
Heating Stage Capacity Fraction

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

N/A
Heating Staging

The method of heating staging used by the unit. Select ÒSingle StageÓ for units with single stage (on/off) control. Select ÒMultiple, Discrete StagesÓ for units with multiple discrete stages (low-fire / high-fire). Select ÒModulatingÓ for units which contain modulating burners.

View N/A
Heating Type

Source of heat. Heating delivery is recorded in a separate data field. Use of fans or blowers by themselves without heated air or water is not included in this definition of heating.

View N/A
Humidification Type

Humidification type in air-distribution system.

View N/A
HVAC Category

Category of equpment related to heating, ventilation, and air conditioning (HVAC).

View N/A
Ignition Type

Ignition mechanism in gas heating equipment. Either pilot light or an intermittent ignition device (IID)

View N/A
Input Capacity

The energy consumption of the heating plant at full load.

MMBtu
Installed Flow Rate

Actual flow rate of fan under normal operating conditions

cfm
Maximum Fan Power

Fan power at maximum flow rate (full load)

W
Minimum Flow Rate

The lowest flow rate rated for a fan

cfm
Minimum Part Load Ratio

The minimum part load ratio at which the equipment is able to operate (0-1).

N/A
Minimum Part Load Ratio

The minimum part load ratio at which the equipment is able to operate (0-1).

N/A
Motor Location Relative To Air Stream

Location of the fan motor relative to the air stream.

View N/A
Natural Ventilation Metric

Metric used in measuring the rate of natural ventilation

View N/A
Natural Ventilation Rate

Average rate of natural ventilation when used. Units depend on ventilation method

Number Of Discrete Cooling Stages

The number of discrete operating stages, excluding "off."

N/A
Number Of Discrete Cooling Stages

The number of discrete operating stages, excluding "off."

N/A
Number Of Discrete Fan Speeds

The number of discrete operating speeds for the supply-fan motor, excluding "off." Only used if flow control is "stepped"

N/A
Number Of Discrete Fan Speeds

The number of discrete operating speeds for the supply-fan motor, excluding "off." Only used if flow control is "stepped"

N/A

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