VFD68 Variable Frequency Drives (230 or 460 VAC)
31
Parameter Settings Calculations for Motor Speed vs. Pressure
For information on calculating parameter settings for your application, see the calculator on the Johnson
Controls website at
http://www.johnsoncontrols.com/content/us/en/products/building_efficiency/products-and-
systems/commercial-refrigeration/commercial_refrigeration/fanspeed/ratiometric-calculator.html
Figure 19: Frequency and Motor Speed (50 Hz)
Figure 20: Applications Using 0.5
–
4.5 V Ratiometric Transducers