High Country Tek HFS-3 - Manual (Page 11)

Hydraulic Fan System Controller – HFS-3-12v
11
Adjustment Guide:
NON-INVERTED valve control operation.
• HFS-3-12v Plug top controller is now set.
• Replace opaque lid carefully ensuring that seal is maintained.
• Replace securing screw and tighten
• Do not over tighten or lid damage is seen.
• Unit is now ready for continuous application use.
• Adjust Dither frequency to suit valve product being driven.
• Fully Anti-clockwise = approx. 100Hz
• Fully Clockwise = Approx.... 250Hz.
• Set command to Zero Volts.
• Isolate plug from +12VDC supply.