User's Manual

MC-Series ©2008 RadioFrame Networks, Inc. 9-25
Proprietary and Confidential Information
MC-Series Standard Capacity system998-1019-01 Rev X1
Each of the thirteen breakers has a three-position switch: ON, OFF or TRIPPED. The
single alarm output connected to each breaker is normally closed and goes open
when a breaker is tripped.
1. Verify that all breakers are in the OFF position on the front of the PDU.
2. Follow the power supply and battery manufacturer's installation and
maintenance documentation to remove power from the PDU.
3. Disconnect the powerplant from the PDU using the two lugs.
4. Remove all power connections from the back of the PDU.
5. Remove the 4 front mounting screws from the front of the PDU, and remove the
PDU from the cabinet, and then package it for shipment.
Figure 9.14 PDU Front and Rear View
9.8.1 PDU
1. Replace the PDU component.
a. While supporting the PDU, slide it into the cabinet mounting position.
Warning!
Verify that all breakers in the PDU are in the OFF position prior to proceeding.
Leave them in the OFF position until instructed otherwise.
Important
Before replacing the PDU verify the component is disconnected from the
powerplant.