Rockwell Automation 8720MC 8720MC Regenerative Power Supply User Manual - Manual (Page 78)

• Verify that there is no debris such as metal shavings around the
unit.
• Check that there is adequate clearance around the unit.
Verifying the Rating of the 8720MC-RPS Regenerative Power
Supply
Before powering up the 8720MC-RPS Regenerative Power Supply,
check the following:
• Check the unit's nameplate and confirm that the installed
8720MC-RPS Regenerative Power Supply has an enough rating
for the load.
• Check that the incoming power is rated correctly for the rating
of the 8720MC-RPS Regenerative Power Supply.
• Check that the disconnect (breaker) and the fuses provided for
the branch circuit protection are rated correctly.
• Check that the AC reactor is rated correctly.
Verifying Wiring
Check the following before powering up the 8720MC-RPS
Regenerative Power Supply:
• Verify that the 8720MC-RPS Regenerative Power Supply was
installed rigidly.
• Check that there is no miswiring.
• Check that no terminals or connection are loose.
• Verify that there are no short circuits with regard to the
terminals L
1
, L
2
, L
3
, P, N and G. Also verify that there are no
ground faults with regard to these terminals except terminal G.
• Check that the terminals L
1AUX
, L
2AUX
and L
3AUX
are not
shorted.
• Verify that the electronic size is within the specification range
and the wire is tightened correctly.
• Verify that the operations of the sequence control signals are
normal.
Use the following procedure to turn power to the 8720MC-RPS
Regenerative Power Supply ON:
Step 1. Turn the RUN sequence signal OFF.
Step 2. Turn the input power breaker to the ON position.
Step 3. Apply power to the 8720MC-RPS Regenerative Power
Supply.
5-2 Start and Adjustment
Powering up the 8720MC-RPS
Regenerative Power Supply