Issue:
What are the steps to replace Powerlink Control Buses?
- Shut off the Mains power feeding the panel.
- Disconnect each ECB branch breaker from the control bus dislodging the low voltage connection between the control bus and breaker. Leave the breakers connected to the power buses.
- Remove 4 breakers that cover the mounting screws of the control bus. See table below
- for the appropriate breakers depending on the length of the bus.
- Remove the control bus mounting screws and pivot the control bus off of the breaker interior rail.
- Slide the old control bus out of the panel and install the new control bus.
- Reinstall the 4 breakers removed and push all the other breakers onto the new control bus.
- Restore power to the panel and test for proper operation.
Breakers to Remove for 21 Breaker Control Bus
Left Control Bus: 5, 7, 29, 31
Right Control Bus: 6,8, 30, 32
Breakers to Remove for 18 Breaker Control Bus
Left Control Bus: 5, 7, 23, 25
Right Control Bus: 6,8, 24, 26
Breakers to Remove for 12 Breaker Control Bus
Left Control Bus: 5, 7, 11, 13
Right Control Bus: 6,8, 12, 14