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Electrical
Disconnect power before working on pump, motor, pressure switch, or wiring.
Your Motor Terminal Board (under the motor end cover)
and Pressure Switch look like one of those shown below.
Convert to 115 Volts as shown. Do not change motor
230 Volt to 115 Volt Conversion.
230 V
A
A
L 2
L 2
L 1
L 1
230 Volt to 115 Volt Conversion.
1.
Pull plug
straight
out from
terminal
board.
A
1.
L1
Figure 8: Motor wiring connections through Pressure Switch. Match motor voltage to line voltage.
Hazardous voltage. Can shock, burn, or kill.
Connect ground wire before connecting power supply
wires. Use the wire size (including the ground wire) speci-
fied 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 sup-
ply 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 are factory wired for 230
volts. If necessary, reconnect the motor for 115 volts, as
shown. Do not alter the wiring in single voltage motors.
Install, ground, wire, and maintain your pump in compli-
ance 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.
All manuals and user guides at all-guides.com
Move plug to change voltage.
Ground
Screw
115 V
A
A
L 2
L 2
L 1
L 1
Power Supply
Wires
Move plug to change voltage.
2.
Plug in again
Ground
with arrow
Screw
on plug
pointing to
'115 Volts'.
2.
A
L1
3962 0401 A
wiring if line voltage is 230 Volts or if you have a single
voltage motor. Connect power supply as shown for your
type of switch and your supply voltage.
Motor wires connect here.
Power supply wires connect here.
230 Volt: Connect 2 hot wires (black and red)
here and cap the white (neutral) wire. It does
not matter which wire goes to which screw.
115 Volt: Connect one hot wire (black or red)
to one of these screws (it doesn't matter
which one). Connect the white (neutral) wire
to the other screw. Cap any remaining
black or red wires.
Clamp the power cable to prevent strain
on the terminal screws.
Connect the green (or bare copper) ground wire
to the green ground screw.
Motor wires connect here.
Power supply wires connect here.
230 Volt: Connect 2 hot wires (black and red)
here and cap the white (neutral) wire. It does
not matter which wire goes to which screw.
115 Volt: Connect one hot wire (black or red)
to one of these screws (it doesn't matter
which one). Connect the white (neutral) wire
to the other screw. Cap any remaining
black or red wires.
Clamp the power cable to prevent strain
on the terminal screws.
Connect the green (or bare copper) ground wire
to the green ground screw.
Connection Procedure:
Step 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.
Step 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.
Step 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 (3M)
long, or to a ground electrode provided by the
power company or the hydro authority.
Step 4. Connect the power supply wires to the pressure
switch as shown in Figure 8.
6
3187 0398
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