851-312 Rev. F 9 Dorner Mfg. Corp.
Industrial and Sanitary 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 the AC Tech MC1000 Series
Installation and Operating Manual shipped
with your controller. See the sections from
“AC Requirements” through “MC1000 Power
Wiring Diagram”. See Table of Contents for
page numbers.
NOTE
For electrical wiring or troubleshooting, refer
to information provided by controller
manufacturer.
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