13
Ground
Ungrounded
line
Voltage
selector
230V
115V
IL1957
1
WARNING:
• Always disconnect pump from electricity before performing any work on the motor.
• Under-sized wiring can cause motor failure and even re. Use proper wire size specied in the
Wire Size Chart.
• Replace damaged or worn wiring cord immediately.
• Do not kink power cable and never allow the cable to come in contact with oil, grease, hot
surfaces, or chemicals.
• The pump must be properly grounded using the proper wire cable with ground.
CAUTION:
• Protect the power cable from coming in contact with sharp objects.
• All wiring should be performed by a qualied electrician in accordance with the National Electric
Code and local electric codes.
• Connect the pump to a separate electrical circuit with a dedicated circuit breaker. Refer to the
Wire Size Chart for proper fuse size.
WIRE SIZE CHART
Distance from Motor to Meter
Recommended Copper
Wire and Fuse Sizes
Single Phase Motors
1/2 HP
115 Volt 230 Volt
0-50 Ft.
50-100 Ft.
100-150 Ft.
150-200 Ft.
200-300 Ft.
14
12
10
8
*
14
14
14
14
12
Fuse Size (Amps)
15 15
(*) Not economical to run in 115 V, use 230 V
PUMP ELECTRICAL CONNECTIONS
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
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