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Electrical / Operation
Figure 7 - Voltage set to 115 V, Plug Type
Wiring Connections
Fire hazard . Incorrect voltage can cause a
Motor wires connect here.
fire or seriously damage the motor and voids the warranty.
Power supply wires connect here.
The supply voltage must be within ±10% of the motor
230 Volt: Connect 2 hot wires (black and red)
here and cap the white (neutral) wire. It does
nameplate voltage.
not matter which wire goes to which screw.
115 Volt: Connect one hot wire (black or red)
NOTICE: Dual-voltage motors are factory wired for 230
to one of these screws (it doesn't matter
volts. If necessary, reconnect the motor for 115 volts, as
which one). Connect the white (neutral) wire
shown. Do not alter the wiring in single voltage motors.
to the other screw. Cap any remaining
black or red wires.
Install, ground, wire, and maintain your pump in
compliance with the National Electrical Code (NEC) or
Clamp the power cable to prevent strain
the Canadian Electrical Code (CEC), as applicable, and
on the terminal screws.
with all local codes and ordinances that apply. Consult
Connect the green (or bare copper) ground wire
your local building inspector for code information.
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.
Clamp the power cable to prevent strain
on the terminal screws.
Connect the green (or bare copper) ground wire
to the green ground screw.
Figure 8 – Pressure Switch Wiring
Table II Wiring Chart – Recommended Wire and Fuse Sizes
Max.
Motor
Load
HP
Volts
Amps.
0.75
115
12.4
0.75
230
6.2
For parts or assistance, call Flotec Customer Service at 800-365-6832
3187 0398
Fast
Slow
Acting
Acting
Circuit
Fuse
Fuse
Breaker
25
20
20
15
10
10
Connection Procedure:
1. Connect the ground wire first as shown in Figure 4.
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
pressure 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 electrode provided by the power company or
the hydro authority.
4. Connect the power supply wires to the pressure
switch as shown in Figure 6.
Operation
Priming the Pump
NOTICE: To properly prime the pump, install a pipe tee in
the discharge piping (see Figure 1, Page 3).
To prevent damage to internal parts, do not start motor
until pump has been filled with water.
To prime pump:
1. Remove priming plug (Purchase separately; Figure 1,
Page 3).
2. Fill pump with water.
3. Replace priming plug, using PTFE pipe thread sealant
tape or a PTFE-based pipe joint compound on plug
threads; tighten plug.
4. Start the pump. Water should be pumped in 1-2
minutes. If not, repeat steps 1, 2 and 3.
On shallow depths to water (10 feet or less), the
pump will probably prime the first time after the
following steps 1 through 4 above.
From 10 to 20 foot depths, you might have to shut off
the pump and repeat steps 1, 2 and 3 several times.
Max. Wire Length per Wire Gauge - feet
14 Ga.
12 Ga.
10 Ga.
0
140
220
350
560
895
8 Ga.
6 Ga.
4 Ga.
355
550
880
1420
2210
3520
7
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