851-953 Rev. A 13 Dorner Mfg. Corp.
Variable Speed VFD Controllers
Installation
Wiring
1. Make the input power connections through the line
connection cord grip. Refer to the manufacturer’s
manual for terminations inside the VFD controller.
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.
WARNING
Controller must be properly grounded.
Failure to properly ground control box may
cause injury to personnel.
NOTE
A circuit breaker or a disconnect switch with
fuses must be provided in accordance with
the National Electrical Code (NEC) and all
local codes.
Refer to Lenze Installation and Operating
Manual shipped with your controller.
NOTE
For electrical wiring or troubleshooting, refer
to information provided by controller
manufacturer.