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Characteristic curve and setpoint values

The permitted operating temperature lies between -20 °C and 120 °C. The static pressure lies between 0 and 0.8 bar.

Fig 1: Fan Output Characteristic Curve
G09841352Courtesy of BMW OF NORTH AMERICA, INC.

Example: characteristic curve depending on fan output

Item Explanation
1 Static pressure
2 Characteristic curves for flow rate
3 Volumetric flow

Observe the following setpoint values for the electric fan:

Variable Value
Voltage range 8 to 17 Volts
Temperature range -40 to 120 deg C