User Manual

2 CEM3 Sensor+ ESR+ Rack Retrofit Manual
Safety
Please note the following safety warnings before use:
• Disconnect power from the racks before all maintenance.
Overview of this Manual
Reference this manual throughout the retrofit procedure. The major sections of the
procedure are:
• Preparation, page 5 - before you open the rack.
• Remove the Old, page 5 - labeling and remove the existing equipment.
• Attach New Power Harness, page 8- adapting and connecting the power harness for
the new backplane.
• Make Connections and Install the New Backplane, page 9 - transfer the wiring and
install new components.
• Change out the AF Cards (if present), page 12 - remove the existing Advanced Feature
cards and install the new ones.
• Change out the Beacon PCB, page 13 - replace the existing beacon primary circuit
board (PCB) with the new one.
• Finishing Touches, page 13 - replace rack sticker.
• Verify the Retrofit, page 13 - put the dimmers back in the rack and power up the rack.
• Configure the CEM3, page 14 - program a configuration for the CEM3.
When viewing this document in electronic form (.pdf file) with Adobe Acrobat Reader, blue
italicised text followed by a page number such as “Overview of this Manual, page 2” is a
link within the document. If you click on the link, it will jump to that section or topic.
WARNING:
Dimmer racks without an accessible power disconnect device cannot be
serviced safely. Before removing dimmer or control modules for service, de-
energise main feed to dimmer rack and follow appropriate electrical safety
procedures for your region.