Example for actuator E01, E02:
Given data:
EN 300x200
–
Vmin 432 m³/h
–
Vmax 1854 m³/h
Volume flow rate night-time operation 800
m³/h
Volume flow rate day-time operation 1600
m³/h
Settings according to scale Fig. 11:
Vmin potentiometer: 4.5
Vmax potentiometer: 9
Characteristics E03
Fig. 12: Characteristics of the control signal
1
Scale setting
2
Setpoint value w
Vmin: 0 V
ð
scale setting 4.5
Vmax: 10 V
ð
scale setting 9
Fig. 13: Characteristic actual value signal
1
Scale setting
2
Actual value U
Vmin: 4.5 V
Vmax: 9 V
Actual value signal
The actual value signal of actuator variant E03
corresponds to the current actuator position in
the scale range and is not a measure of the
actual volume flow rate, since the CAV controller
does not measure the volume flow rate but only
controls it using the aerodynamic forces.
Initial commissioning
CAV controllers EN
12
Summary of Contents for CAV controllers
Page 14: ...CAV controllers EN 14...