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Electrical
Hazardous voltage. Can shock, burn, or
kill. Connect ground wire before connecting power
supply wires. Use the wire size (including the ground
wire) specified in the wiring chart. If possible, connect
the pump to a separate branch circuit with no other
appliances on it.
Explosion hazard. Do not ground to a gas
supply line.
Wiring Connections
Fire hazard. Incorrect voltage can cause
a fire or seriously damage the motor and voids the
warranty. The supply voltage must be within ±10% of the
motor nameplate voltage.
NOTICE: Dual-voltage motors may be set for 115 V
or 230 V. If necessary, reset the motor to the desired
voltage, as shown. Do not alter the wiring in single
voltage motors.
Install, ground, wire, and maintain your pump in
compliance with the National Electrical Code (NEC) or
the Canadian Electrical Code (CEC), as applicable, and
with all local codes and ordinances that apply. Consult
your local building inspector for code information.
Wiring Chart – Recommended Wire and Fuse Sizes
Max Load
Model
HP
Amps
115 Volts:
PLB
1/3
PLC
1/2
FLC, FSLCH
12.2
PLD
3/4
FLD, FSLDH
14.8
PLE
1
PLF
1-1/2
19.2
230 Volts:
PLB
1/3
PLC
1/2
FLC, FSLCH
PLD
3/4
FLD, FSLDH
PLE
1
PLF
1-1/2
Branch Fuse
Rating Amps
0-100 (0-30)
9.4
15
14 (2)
20
12 (3)
25
10 (5.5)
4.7
6.1
15
7.4
9.6
Connection Procedure:
1. Connect the ground wire first as shown in Figure 8.
The ground wire must be a solid copper wire at least
as large as the power supply wires.
2. There must be a solid metal connection between the
pressure switch and the motor for motor grounding
protection. If the pressure switch is not connected
to the motor, connect the green ground screw in the
switch to the green ground screw under the motor
end cover. Use a solid copper wire at least as large
as the power supply wires.
3. Connect the ground wire to a grounded lead in a
service panel, to a metal underground water pipe, to
a metal well casing at least ten feet (3 m) long, or to
a ground electrode provided by the power company
or the hydro authority.
4. Connect the power supply wires to the pressure
switch as shown in Figure 8.
Distance in Feet (Meters); Wire Size AWG (mm
101-200 (31-61)
201-300 (62-91)
10 (5.5)
10 (5.5)
8 (8.4)
8 (8.4)
6 (14)
14 (2)
14 (2)
12 (3)
)
2
301-400 (92-122)
401-500 (123-152)
6 (14)
6 (14)
4 (21)
4 (21)
14 (2)
12(3)
12 (3)
10 (5.5)
10 (5.5)
7
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