AEC AG Auger Series Granulator - Manual (Page 15)

6.5” Granulators Chapter 3: Installation 14 of 35
3-3 Electrical Connections
Check serial tag voltage/amperage requirements and make sure your electrical service
conforms before making any electrical connections. Make sure that all three phases are wired
correctly.
Bring properly sized power leads and grounds from a fused disconnect to the unit. Provide
external overcurrent protection to the unit, using circuit breakers or fuses. If you use fuses,
make sure that they are dual-element, time-delay fuses, sized according to your electrical
code. Refer to the technical specifications in the Appendix for horsepower, voltage, phase,
and frequency requirements to determine the size and rating of the supply cable required.
Carefully check the diagrams packed with the machine. All internal wiring has been done at
the factory. All safety interlocks have been verified to be functional before shipment. Run
line power conductors to the control enclosure per local and National Electrical Code
requirements. Terminate the power conductors at the control enclosure disconnect switch line
terminals.
Use the following procedure to complete the electrical connections:
1. Check to be certain that the starter heater elements correspond with the motor
requirements. If controls are not supplied, the limit switches supplied on the machine
must be wired into the circuit at the common terminal box.
2. Check that the limit switches are closed.
3. Turn switch ON at main power supply.
4. Jog motor by pressing the START and then the OFF button. This starts and stops the
motor.
5. With the electrical power ON, check that the motor rotates in a clockwise direction at
the viewing port in the belt guard. If motor rotation is correct, continue to the next
step. If rotation is incorrect, complete the following procedure:
a. Shut power OFF and disconnect incoming power supply.
b. Reverse any two of the three power line connections to the machine.
c. Re-connect the incoming power supply line and turn ON the main power
switch to recheck motor drive rotation.
6. If Airveying system (optional) is fitted, press the Airveyor START button, and check
the blower motor rotation. The blower motor should rotate in a counterclockwise
direction. If blower motor rotation is correct, continue to step 7. If blower motor
rotation is incorrect, complete the following procedure:
a. Shut power OFF and disconnect incoming power supply line.
b. Reverse any two of the three power line connections to the blower motor.
c. Re-connect the incoming power supply line, and recheck the blower motor
rotation.
7. Allow all motors to run up to speed for at least 30 seconds.