ELECTRICAL

Disconnect power before working on pump, motor, pressure switch, or wiring.

Motor Switch Settings

Dial Type Voltage Selector

ff the motor can operate at either 115 or 230 volts, it is set

at the factory to 230 volts. Do not change motor voltage setting if line voltage is 230 volts, or if you have a single voltage motor.

Power Supply Connections

NOTICE: Never wire a 115 volt motor to a 230 volt line.

Remove Motor End Cover

Figure 4 - Removing Motor End Cover

You v_tll need to remove the motor end cover to change

the voltage setting. The illustration above also shows the

pressure switch. If the power supply connection still

needs to be made, the pressure svdtch cover wiU need to be removed.

Your motor terminal board (located under the motor end cover) should look like the one at right.

Ground Wire Connection

Figure 5 - Voltage Set To 230 Volts, Dial Type

To change to I 15 volts:

1.Make sure power is off.

2.Turn the dial counter-clockwise until 115 shows in the dial window.

3.Reinstall the Motor end cover

4.Go to Wiring Connections below.

[ AWARNING_ 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 appli- ances on it.

]AWARNIN_ Explosion hazard. Do not ground to a gas

supply line.

WIRING CONNECTIONS

LA WAR NINGI Fire hazard. Incorrect voltage can cause a fire or seriously damage the motor and voids the warranty. The supply voltage must be within :t:10% of the motor name- plate voltage.

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Sears 390.2521 owner manual Electrical, Dial Type Voltage Selector, Remove Motor End Cover, Motor Switch Settings

390.2521 specifications

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