7
Electrical Connection
Power Supply Cord
Direct Wire
Electrical Connection Options
1.
Choose electrical connection type
Power supply cord 4-wire receptacle
(NEMA Type 14-30R):
Go to steps 1–2 on
page 8 for power supply cord strain relief;
then go to the “4-wire Power Supply Cord
Connection” section. Then, go to “Venting
Requirements.”
3-wire direct connection:
Go to steps 1–2 on
page 10 for direct wire strain relief; then go
to the “3-wire Direct Wire Connection” section.
Then, go to “Venting Requirements.”
4-wire direct connection:
Go to steps 1–2 on
page 10 for direct wire strain relief; then go
to the “4-wire Direct Wire Connection” section.
Then, go to “Venting Requirements.”
Power supply cord 3-wire receptacle
(NEMA Type 10-30R):
Go to steps 1–2 on
page 8 for power supply cord strain relief;
then go to the “3-wire Power Supply Cord
Connection” section. Then, go to “Venting
Requirements.”
NOTE:
If local codes do not permit connection of a
cabinet-ground conductor to neutral wire, go to “Optional
3-wire Connection” section. This connection may be
used with either a power supply cord or a direct wire
connection.
E
C
B
F
D
A
2.
Remove terminal block cover
Before you start, disconnect power. Remove hold-down
screw (D) and terminal block cover (A).
A.
B.
C.
D.
E.
F.
Terminal block cover
External ground conductor screw
Center terminal block screw
Hold-down screw
Neutral ground wire
Hole below terminal block cover