Electrical Connections; Grounding; Wire Size - A.O. Smith CENTURY CENTURION Installation Maintenance And Service Manual

E L E C T R I C A L
C O N N E C T I O N S
diagrams shown on the following pages are color-coded
for easy reading. The appropriate part number is listed
in each illustration, just in case you need to order the
complete wiring diagram or connection label sticker
for your motor. Make sure the connections are tight
to prevent failure or overheating. If you do find loose
connections, check for excessive vibration.
G R O U N D I N G
tric shock is possible. A grounding conductor should
always be connected under the green grounding screw,
which is located within the terminal compartment of the
motor. National and local electrical codes are important,
and should be adhered to when working
on a motor.
W I R E S I Z E
the motor to overheat. It's a good idea to check the
electrical supply wires to confirm that they are sufficient
to handle the motor load. For example, if you're using
1
a 1- ⁄ Hp motor at 115 volts over a distance of 150 feet,
2
use #8 wire. If the motor can be installed to
operate on 230 volts, #12 wire should be sufficient
for a 150 foot distance.
The task of wiring
your motor is fairly
simple. The wiring
Without proper grounding
of a motor, serious elec-
Incorrect voltage at the
motor terminals can cause
15