Electrical; Motor Switch Settings; Remove Motor End Cover; Dial Type Voltage Selector - Craftsman 390.2521 Owner's Manual

ELECTRICAL
Disconnect power before working on pump, motor, pressure switch, or wiring.
Motor Switch Settings
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.
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.
Dial Type Voltage Selector
Power Supply Connections
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.
0 The supply voltage must be within :t:10% of the motor name-
plate voltage.
6