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Installation
(Con't)
4. Secure the screws to a stud within a
framed wall. Use anchors if the wall
is concrete.
Figure 2 - Wall Cable Installation
Do not secure the
compressor with
toggle bolts into drywall. Drywall
sheeting or plaster will not support
the weight of the compressor.
INSTALLING A SHUT-OFF VALVE
A shut-off valve should be installed on
the discharge port of the tank to
control the air flow out of the tank.
The valve should be located between
the tank and the piping system.
Never install a
shut-off valve
between the compressor pump and the
tank. Personal injury and/or equipment
damage may occur.
PIPING
Never use plastic
(PVC) pipe for
compressed air. Serious injury or death
could result.
Bury underground lines below the
frost line and avoid pockets where
condensation can gather and freeze.
Apply air pressure to the piping
installation and make sure all joints are
free from leaks BEFORE underground
lines are covered.
Before putting the compressor into
service, find and repair all leaks in the
piping, fittings and connections.
Line
L1
240V
L2
Pressure
Switch
Ground
Single Phase
Figure 3 - Wiring Diagrams
Electrical Installation
HARD WIRED UNITS ONLY
All wiring and
electrical
connections must be performed by a
qualified electrician. Installations must
be in accordance with local and
national codes.
GROUNDING
This product should be connected to a
grounded metallic, permanent wiring
system,or a grounding rod installed in
accordance with local codes. This
product must be grounded. Grounding
reduces the risk of electrical shock by
providing an escape wire for the
electric current, if short circuit occurs.
This product must be equipped with a
power cord or cable that provides a
grounding wire.
Improperly grounded
motors are shock hazards.
Make sure all the
equipment is properly grounded.
WIRING
Local electrical wiring codes differ from
area to area. Source wiring, plug and
protector must be rated for at least the
amperage and voltage indicated on the
motor nameplate, and meet all electrical
codes for this minimum. Use a slow blow
fuse type T or a circuit breaker.
Overheating, short
circuiting and fire
damage will result from inadequate
wiring.
Motor protection should be used when
a motor built-in thermal overload
protection is not provided. Some 3
phase units require a magnetic starter
for thermal protection ( See Figure 3).
3
Fused Breaker
Or Disconnect
Motor
M
Pressure
Switch
Three Phase
With Magnetic
Starter
Electrical Connection
UNITS WITH LINE CORDS ONLY
NOTE: 120 volt, 15 amp units can be
operated on a 120 volt 15 amp circuit
under the following conditions:
1. No other electrical appliances or
lights are connected to the same
branch circuit.
2. Voltage supply is normal.
3. Extension cords are of at least the
minimum gauge specified in this
instruction manual.
4. Circuit is equipped with a 15 amp
circuit breaker or a 15 amp slow
blow fuse type T (For Canada use
Type D).
If the above conditions cannot be met
or if nuisance tripping of the current
protection device occurs, it may be
necessary to operate the compressor
from a 120 volt 20 amp circuit. Some
models convert to 240 volt operation,
see DUAL VOLTAGE MOTOR.
GROUNDING INSTRUCTIONS
1. This product is for use on a nominal
120 or 240 volt circuit and has a
grounding plug that looks like the
plug illustrated in Fig. 4. Make sure
the product is connected to an outlet
having the same configuration as the
plug.This product must be grounded.
Ground Pin
Grounded
Outlet
Figure 4
Vertical Models
L1
L2
L3
COIL
X2
OVER-
Thermal
LOAD
Units(3)
T3
T1
T2
Motor
Ground Pin
120V
240V
15A
15A
120V
240V
20A
20A
Grounded
Outlet
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