BEDES Dictionary

Version 2.5

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
Term Term Definition Lists Unit of Measure
Ignition Type

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

View None
Input Capacity

The energy consumption of the heating plant at full load.

MMBtu
Installed Flow Rate

Actual flow rate under normal operating conditions

cfm
Maximum Fan Power

Fan power at maximum flow rate (full load)

W
Maximum Flow Rate

Highest flow rate

cfm
Minimum Flow Rate

Lowest flow rate

cfm
Minimum Part Load Ratio

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

None
Motor Application View None
Motor Location Relative To Air Stream

Location of the fan motor relative to the air stream.

View None
Natural Ventilation Metric

Metric used in measuring the rate of natural ventilation

View None
Natural Ventilation Rate

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

Unknown
Number Of Discrete Cooling Stages

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

count
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"

count
Number of Heating Stages

The number of heating stages, excluding "off."

count
Other HVAC Type

Type of space conditioning equipment that is not classified as heating, cooling, or air-distribution. This category includes ventilation, dehumidification, humidification, and air cleaning systems.

View None
Output Capacity

Output capacity of equipment.

MMBtu
Part Load Ratio Below Which Hot Gas Bypass Operates

The part load ratio of a chiller below which hot gas bypass (HGBP) operates.

None
Pipe Application

Application of pipe

View None
Pipe Configuration

Number of pipes for distributing steam, refrigerant, or water to individual zones.

View None
Pipe Insulation Thickness

Defines how thick insulation on pipes in a heating, cooling, water heating system is.

in
Pipe Location

Percentage of pipe length in conditioned space

percent
Refrigerant

The type of refrigerant used in the heat pump

View None
Refrigerant Charge Factor

Used to adjust cooling efficiency for assumed slightly degraded performance if refrigerant charge is not verified through acceptance test procedures

percent
Reheat Source

Energy source used to provide reheat energy at a terminal unit.

View None
Required Ventilation Rate

Minimum ventilation rate required by local code.

cfm

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