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ELECTRICAL
RISK OF ELECTRIC SHOCK. Can shock, burn or kill.
Ground motor before connecting to electrical power supply.
Failure to ground motor can cause severe or fatal electrical
shock hazard.
Explosion 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 serious damage to
motor and voids warranty. If in doubt consult a
licensed electrician.
Use wire size specified in Table II. 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.
WIRING CONNECTIONS
1.
Install, ground, wire and maintain this pump in compliance
with the National Electrical Code (NEC) or the Canadian
Electrical Code (CEC) and with all local codes and
ordinances that apply. Consult your local building inspector
for local code information.
2.
Make sure that the voltage, frequency and phase (single
phase) of the power supply agree with that stamped on
the motor nameplate. If in doubt, check with the
power company.
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
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 local code information.
TABLE II - RECOMMENDED FUSING AND WIRING
MOTOR HP
VOLTS/PHASE
1/2
115/230/1
3/4
115/230/1
1
115/230/1
FP327 (01-15-23)
BRANCH FUSE
MAX. LOAD AMPS
RATING AMPS
11 .4/5 .7
20/15
12 .2/6 .1
25/15
18 .4/9 .2
30/20
3.
Clamp the power cable to prevent strain on the
terminal screws.
4.
Voltage setting (under the motor end cover) options are
shown in Figure 6 and 7. Do not change motor wiring if line
voltage is 230 volts. Connect power supply as shown for
your supply voltage.
GROUNDING THE MOTOR
Ground the pump permanently using a wire of size and type
specified by local or National Electrical Code.
1.
Connect ground wire first. Connect the ground first, then to
green grounding terminal provided under motor canopy (see
Figure 6) identified as GRD. Make ground connection to this
terminal. Do not connect motor to electrical power supply
until unit is permanently grounded; otherwise serious or
fatal electrical shock hazard may be caused.
2.
For best ground connection, connect to a grounded lead
in the service panel or to a metal underground water pipe or
well casing at least 10 ft. long. If plastic pipe or
insulated fittings are used, run ground wire directly to the
metal well casing or use ground electrode furnished by
the power company.
WIRE LENGTH
0'-50'
51-100'
AWG WIRE SIZE
14/14 (2/2)
10/14 (5 .5/2)
12/14 (3/2)
8/14 (8 .4/2)
10/14 (5 .5/2)
8/14 (8 .4/2)
101-200'
201-300'
8/14 (8 .4/2)
6/12 (14/3)
8/14 (8 .4/2)
6/12 (14/3)
6/12 (14/3)
4/10 (21/5 .5)
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