Sterling EX909 - Manual (Page 21)

Page 21
Make certain all electrical connections are properly made and
supported between accessories and the control enclosure (refer to
the wiring diagram for wire and terminal connections).
!!! DANGER !!!
Before undertaking any machine repairs or maintenance, always make certain
that the machine disconnect switch is turned to the OFF position or that the
control enclosure is disconnected from the main power source.
LOCK OUT all sources of power, including the main disconnect switch, and
follow all of your plant lockout procedures.
3-6 Electrical Service Connections
Carefully check the diagrams packed with the machine. All
internal wiring has been done at the factory. All safety interlocks
have been verified to be functional before shipment. It is only
necessary to connect the electrical power source to the machine at
the control enclosure. A straight screwdriver is required to open
the enclosure door.
!!! DANGER !!!
All equipment must be grounded in compliance with Article 250 of the National
Electric Code and all local codes.
Customer's means of disconnection and branch circuit protection must also be in
compliance with the National Electric Code and all local codes.
3-7 Electrical Testing
Before applying power to the machine, check the incoming voltage
from L1 to L2, L2 to L3, and L1 to L3 (see the wiring diagram
packed with the machine). The voltage should be the same as
indicated on the silver or red tag in the control enclosure. If the
voltage is not the same, contact the Ball & Jewell Service