12
2. To connect the pressure switch, remove the
switch cover and insert an electrical wire
strain relief (not included) into the opening in
the side of the pressure switch.
3. Thread the electrical wire (not included) from
the power supply through the strain relief and
tighten both screws on the strain relief. Do
not crush wire.
Ground
Ungrounded
line
Voltage
selector
230V
115V
IL1957
1
Wiring The Pressure Switch
CAUTION: Make certain that the power source
matches the pump requirements. This pump has
a dual voltage motor and can run on either 115 V
or 230 V.
Pump is pre-set at the factory to run on 115 V.
1. To change voltage:
a. Pump MUST be disconnected from the
power source.
b. Pull selector plug out approximately 1/4-in.
c. Rotate plug to align arrow to 115 V or 230 V
as desired.
d. Push plug back in approximately 1/4-in.
Voltage selector
• Connect the pump to a separate electrical circuit with a dedicated circuit breaker. Refer to the Wire
Size Chart for proper fuse size.
motor
Pressure
switch
Strain
relief
2
motor
power
supply
3
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