Hazardous voltage.
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 above.
Convert to 115 Volts as shown. Do not change motor 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.
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 (Page 10). 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 name-
plate voltage.
NOTE:
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 compliance
with the United States 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.
Connection Procedure
1.
Connect the ground wire first as shown in Figure 12. 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 pres-
sure 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 (3M) long, or to a ground elec-
trode provided by the power company or the hydro
authority.
4.
Connect the power supply wires to the pressure switch
as shown in Figure 12.
8
Figure 12 – Motor wiring connections through Pressure Switch. Match motor voltage to line voltage.
Pull plug
straight
out from
terminal
board.
1.
1.
2.
2.
Plug in again
with arrow
on plug
pointing to
'115 Volts'.
230 V
olts
1
15
V
olts
A
L
230 V
olts
1
15
V
olts
Ground
Screw
3962 0401 A
115 V
230 V
230 Volt to 115 Volt Conversion.
Move plug to change voltage.
Ground
Screw
230V
115V
230V
115V
L
2
1
L1
230V
15V
A
L
2
L1
230V
15
Power Supply
Wires
230 Volt to 115 Volt Conversion.
Move plug to change voltage.
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.
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.
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.
ELECTRICAL INSTALLATION