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ELECTRICAL
CONNECTION DIAGRAM FOR DUAL VOLTAGE, SINGLE-
PHASE MOTORS
Your dual-voltage motor's terminal board (under the motor end
cover) will match one of the diagrams below. Follow that diagram
if necessary to convert motor to 115 Volt power. Connect power
supply wires to L1 and L2. For 3-phase motors, or if motor does
not match these pictures, follow the connection diagram on the
motor nameplate.
THE MOTOR IS SET FOR 230 VOLTS WHEN SHIPPED.
To change the motor to use 115 volts:
1.
Turn off power
2.
Remove the back motor cover.
3.
Use a screwdriver or 1/2" wrench and turn the voltage
selector dial counterclockwise until 115 shows in the
dial opening.
4.
Reinstall the motor cover.
HAZARDOUS VOLTAGE. Can shock, burn, or cause
death. Disconnect power to motor before working on pump or
motor. Ground motor before connecting to power supply.
Figure 3: Changing the Voltage Setting
Figure 4: Motor Set for 115 Volt Operation
6
WIRING
Ground motor before connecting to electrical power
supply. Failure to ground motor can cause severe or fatal electrical
shock hazard.
Do not ground to a gas supply line.
To avoid dangerous or fatal electrical shock, turn OFF power to motor
before working on electrical connections.
Supply voltage must be within ±10% of nameplate voltage. Incorrect
voltage can cause fire or damage motor and voids warranty. If in doubt
consult a licensed electrician.
Use wire size specified in Wiring Chart. If possible, connect pump to a
separate branch circuit with no other appliances on it.
Wire motor according to diagram on motor nameplate. If nameplate
diagram differs from diagrams above, follow nameplate diagram.
1.
Install, ground, wire and maintain your pump in compliance with
the National Electrical Code (NEC) in the U.S., 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.
2.
Provide a correctly fused disconnect switch for protection while
working on motor. For switch requirements, consult your local
building inspector for information about codes.
3.
Disconnect power before servicing motor or pump. If the
disconnect switch is out of sight of pump, lock it open and tag it to
prevent unexpected power application.
4.
Ground the pump permanently using a wire of the same size as
that specified in Wiring Chart. Make ground connection to green
grounding terminal under motor canopy marked GRD. or
5.
Connect ground wire to a grounded lead in the service panel or
to a metal underground water pipe or well casing at least 10 feet
long. Do not connect to plastic pipe or insulated fittings.
6.
Protect current carrying and grounding conductors from cuts,
grease, heat, oil, and chemicals.
7.
Connect current carrying conductors to terminals L1 and L2 under
motor canopy. When replacing motor, check wiring diagram on
motor nameplate against Figure ##. If the motor wiring diagram
does not match either diagram in Figure 3, follow the diagram
on the motor. IMPORTANT: 115/230 Volt single phase models are
shipped from factory with motor wired for 230 volts. If power
supply is 115 volts, remove motor canopy and reconnect motor as
shown in Figure 3. Do not try to run motor as received on
115 volt current.
8.
Motor has automatic internal thermal overload protection. If
motor has stopped for unknown reasons, thermal overload may
restart it unexpectedly, which could cause injury or property
damage. Disconnect power before servicing motor.
9.
Always consult a licensed electrician for clarification of this
procedure or the wiring diagrams.
.
P15008 (04-15-2023)
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