Installation Instructions

Adding Circuit Break ers/Connectors to PDU Chapter 3: Low -to -Mid Capacit y Fr ame Expansion Procedures

Mounting screws are provided with each circuit breaker/output power

connector assembly; four screws with the 90A assembly and two screws

with the 20A assembly .

• Side cutters; diagonal pliers or wire cutter

• Small knife

• TORX T25 bit and driver

• T orque driver

Procedure

Procedure 3 -1 contains the steps for adding a circuit breaker/output power connector assembly

to the PDU .

Procedure 3 -1 Adding a Circuit Break er/Output P ower Connector Assembly to the

PDU

Mak e sure DC input power is not applied to the PDU before performing Procedure 3 -1 .

Set all PDU front panel circuit breakers to the off (pulled out) position.

Disconnect all DC power cables from the PDU front panel. Dress these cables

away from the PDU front panel.

Remove the PDU front panel as follows:

• See Figure 3-1 Adding a Breaker Assembly Module to the PDU on page

3- 6 photograph A .

• While depressing the retaining tab on the left and right front ends of the

PDU , slide the PDU front panel forward and off of the PDU .

Install the additional circuit breaker/output power connector assemblies in

the required locations on the PDU front panel DC output power bus (see

Figure 3-1 Adding a Breaker Assembly Module to the PDU on page 3- 6

photograph B .

Continued

3 -4 68P09283A62 -3

PRELIMINARY A UG 2007