Dorner Mfg. Corp. 14 851-953 Rev. A
Variable Speed VFD Controllers
Preventive Maintenance and Adjustment
Required Tools
• Flat-blade screwdriver
Controller Setup
When purchased with a gearmotor, Dorner configures
Variable Speed VFD Controllers as follows:
• 1 second acceleration time
• 1 second deceleration time
• Minimum frequency @ 10 Hz for Sanitary units, 6 Hz for
Industrial units
• Maximum frequency @ 60 Hz
• Overloads set to motor Full Load Amperes (FLA)
DANGER
Hazardous voltage will cause severe injury or
death.
LOCKOUT POWER BEFORE wiring.
WARNING
Exposed moving parts can cause severe
injury.
LOCK OUT POWER before removing guards
or performing maintenance.
NOTE
For additional information or desired settings
other than listed, refer to the Invertek Drives
Quick Start Guide shipped with your
controller.