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20 Installation and start-up
UM5C06D ( 169-2071-504 ) P0831010 Standard 7.00 May 2001
Procedure 1 - Installing the power shelf
Step Action
1 Position the power shelf, without any rectifiers plugged in, against the
framework.
2 Secure the shelf in the position indicated by the job drawing (normally directly
below the controller or another shelf). At least one star washer must be
installed on one holding screw to ensure maximum framework ground
continuity.
3 Release the clamping bar from the front of the power shelf
4 Remove the AC and DC junction box cover, located on the left and right sides.
Store the parts for reinstallation after the wire connections have been
completed.
end
Wiring the power shelf
Once the power shelf has been installed and firmly secured proceed with the
wiring.
CAUTION
The power shelf wiring should be installed by qualified
personnel and in accordance with the local electrical codes.
DANGER
Input voltage to the rectifier and the power shelf is at a
hazardous potential. Ensure that the power switch is OFF
at the AC service panel working on the power shelf.
Hazardous voltages may still be present at the terminals
even if the rectifiers are OFF. Use a voltmeter to verify the
absence of voltage.
DANGER
Improper wiring can cause personal injury and equipment
damage. Verify the proper polarity of the battery leads
before connecting them to the power shelf, and clearly
identify the positive and negative leads.