After the system is fully turned off, disconnect the respective power cables from the electrical sockets before proceeding further.
2
Locate the rear of the block chassis.
3
Remove the new PIBs from their packaging content and inspect for damage.
4
Align the PIBs on each respective location, see the following figure for further details, and place them on the block chassis.
5
Secure the PIBs to the chassis with the provided screws.
Installation and Service Manual
Installing and removing system components
149