FAN:VARIABLEVOLUME

Variable air volume fan where the electric power input varies according to a performance curve as a function of flow fraction.

Name

Availability Schedule Name

Type: list of objects (SCHEDULE:YEAR, SCHEDULE:FILE, SCHEDULE:COMPACT, EXTERNALINTERFACE:FUNCTIONALMOCKUPUNITIMPORT:TO:SCHEDULE, EXTERNALINTERFACE:SCHEDULE or SCHEDULE:CONSTANT)
Availability schedule name for this system. Schedule value > 0 means the system is available. If this field is blank, the system is always available.

Fan Total Efficiency

Type: real number
Maximum: 1.0
Default: 0.7

Pressure Rise

Unit: Pa

Maximum Flow Rate

Unit: m3/s
Minimum: 0.0

Fan Power Minimum Flow Rate Input Method

Type: choice (Fraction or FixedFlowRate)
Default: Fraction

Fan Power Minimum Flow Fraction

Type: real number
Minimum: 0.0
Maximum: 1.0
Default: 0.25

Fan Power Minimum Air Flow Rate

Type: real number
Unit: m3/s
Minimum: 0.0

Motor Efficiency

Type: real number
Maximum: 1.0
Default: 0.9

Motor In Airstream Fraction

Type: real number
0.0 means fan motor outside of air stream, 1.0 means motor inside of air stream
Minimum: 0.0
Maximum: 1.0
Default: 1.0

Fan Power Coefficient 1

All Fan Power Coefficients should not be 0.0 or no fan power will be consumed. Fan Power Coefficents are specified as function of full flow rate/power Equation:

Fan Power Coefficient 2

Fan Power Coefficient 3

Fan Power Coefficient 4

Fan Power Coefficient 5

Air Inlet Node Name

Type: node

Air Outlet Node Name

Type: node

End-Use Subcategory

Type: alphanumeric
Any text may be used here to categorize the end-uses in the ABUPS End Uses by Subcategory table.
Default: General