Southworth LS Serie El Manual Del Propietario página 21

Electrical Connections for Single-Phase AC
Figure 16 – Electrical Connections, Lifts Wired for Single-Phase AC
Connections shown above are for lifts operating on 120 VAC. For lifts operating on 230 VAC, a NEMA L6-15R receptacle
is required. The pump, motor, and down valve may be mounted on the lift unit itself (internal power unit) or in a separate
location (external power unit).
Note: Lift structure to be grounded, see ground lug in J-Box in drawings below.
Up limitswitch (optional)
wired normally closed
Tank
Motor
and pump
Figure 17 – Wiring Diagram, Lifts Wired for Single-Phase AC – without limit switch
Enclosure with contactor
(see detail below)
Ground
Down
valve
Red
Black
U P
DOWN
White
Ground
Power cord
Pushbutton or
footswitch
Circuit breaker or
20A time-delay fuse
(installed by user)
Receptacle
NEMA 5-15R
(installed by user)
Southworth Owner's Manual -- LS Series
120VAC
in
21