Craftsman 390.2509 Owner's Manual page 6

1/2 hp shallow well water system
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ELECTRICAL
WIRING
CONNECTIONS
I _,WARNING_J Fire
hazard.
Incorrect
voltage
can cause
a fire or
seriously
damage
the
motor
and voids
the
warranty.
The supply
voltage
must
be within
± 10% of the motor
nameplate
voltage.
NOTICE:
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 code
information.
Motor wires connect here.
-Power supply wires connect here.
230 Volt: Connect 2 hot wires (black and re(
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 doesnl matter
which one). Connect the white (neutral) wire
to the other screw. Cap any remaining
• blackor red wires.
power cable to prevent strain
on the terminal screws.
areen (or bare copper) ground wire
to the green ground screw.
31870398
Figure 6 - Pressure
switch wiring
Connection Procedure:
1.
Connect
the ground
wire
first as shown
in Figure 6. 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
undergromad
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.
5. Reinstall
the pressure
switch
cover.
Motor
Horsepower
1/2
TABLE
II WIRING
CHART
- Recommended Wire and Fuse Sizes
Volts
115/230
Max,
Load
Amps.
10.4/5.2
Branch
Fuse*
Rating
Amps
15/15
Distance in Feet fromMotorto
Meter
0'
101'
201'
301'
401'
to
to
to
to
to
100'
200'
300'
400'
500'
Wire Size
14/14
10/14
8/14
6/14
6/12
6

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