Calix ODC-3000, Руководство по установке

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Replacing AC Breakers
If a circuit breaker in the AC load center fails or becomes damaged, you can replace the
breaker in the field as described below. If the cabinet is equipped with charged batteries, this
procedure does not affect service.
DANGER! High voltage may be present. Only a qualified electrician should
perform this task. Follow NEC and local codes when handling power systems.
Do not restore AC power until the task is complete.
To replace an AC circuit breaker
1.
At the local power transfer switch, disconnect AC power to the cabinet.
Note: If the cabinet is equipped with charged batteries, this action does not affect
service. The equipment automatically switches to battery reserve power.
2.
At the AC load center, switch the Main Service Disconnect and Main circuit breakers to
OFF .
3.
Remove the cover panel from the AC load center.
4. Remove any wires from the defective circuit breaker.
5.
Remove the defective breaker from the load center and replace it with a new breaker of
the same type and rating.
6.
Reconnect all wiring to the new circuit breaker.
7.
Replace the AC load center cover panel.
8.
At the AC load center, switch all breakers to ON .
9.
At the local power transfer switch, restore AC power to the cabinet.