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EMAX Electric Oper ated, Pist on Compr essors
8
Breaker
Power Supply
220 V
Power Power
Common
Wire connection
from coil to
pressure switch
Breaker
Power Supply
220 V
Power Power
Power
Common
Wire connection
from coil to
pressure switch
1 2
ground wire
1 2
3
ground wire
A1 A2
Pressure
Switch
A1 A2
Pressure
Switch
1L1 3L2 5L3
1L1 3L2 5L3
110V Power
Wires
Jumper wire
from 3L2 power
to NC96
Jumper wire
from 1L1 to
Mag
A2
Starter
T1 T2 T3
Jumper wire
from bottom of
selector switch
to pressure switch
110V Power
Wires
Jumper wire
from 3L2 power
to NC96
Jumper wire
from 1L1 to
Mag
A2
Starter
T1 T2 T3
Jumper wire
from bottom of
selector switch
to pressure switch
top of
NC
Thermal
NC
Jumper wire
fr
top of
NC
Thermal
NC
selector switch
ON-OFF
Selector Switch
(if equipped)
96
Overload
95
T1 T2 T3
om NC95 to A2
Large jumper wire
5L3 to T2 on overload
Motor
selector switch
ON-OFF
Selector Switch
(if equipped)
96
Overload
95
T1 T2 T3
Jumper wire
from NC95 to A2
Motor
Three Phase Motors (See figure 7)
1. Connect first power lead to 1L1.
2. Connect second power lead to 3L2.
3. Connect third power lead to 5L3.
4. Connect ground wire to existing motor ground
wire.
5. Check for proper motor rotation. When facing
motor shaft, pulley should turn counterclock-
wise. If rotation is reversed, turn off power
then switch two power leads.
Ensure wiring is installed
according to voltage required for
proper motor operation (220V or 460V).
Operation
Safety Rules
1. Make sure all operators receive product train-
ing, read and understand all instructions.
Keep all flammable, combustible,
poisonous and noxious materials
away from operating area. Make
sure there are no oily rags, trash,
leaves, litter or other combustible
materials in operating area. Keep
suitable, fully charged fire extinguishers nearby
when servicing and operating the compressor.
2. NEVER allow modifications to compressor
structure or controls.
3. Keep all ignition sources away from exposed
electrical parts.
4. Keep all persons clear of compressor during
start-up and operation.
5. NEVER operate the compressor with the fan,
coupling or other guards removed.
6. DO NOT engage in horseplay with air hoses as
death or serious injury may result.
7. Make sure to provide adequate ventilation
and use proper lubricant while operating the
compressor. If lubricant or other combustible
substances are spilled, clean up immediately.
8. When checking or adding lubricant or when re-
filling air line anti-icer systems with antifreeze
compound, shut off compressor and allow it to
cool. Keep sparks, flames and other ignition
sources away and DO NOT permit smoking in the
vicinity.
9. Stop compressor and disconnect power if a
hazardous condition arises.
10. Wear snug fitting clothing and confine long hair
when around compressor. Keep all body parts
and clothing away from couplings, flywheel and
other moving parts of the equipment.
Figur e 7: Thr ee Phase Wiring Diagr am
with magnetic starter
Figur e 6: Single Phase Wiring Diagr am
with magnetic starter