BRK electronic CO5120B - Manual (Page 11)

10
The Mounting Bracket Lock
Tools you will need:
• Needle-nose pliers
• Standard/Flathead screwdriver
TO ACTIVATE THE BRACKET LOCK:
1. Using needle-nose pliers, detach one locking
pin from the mounting bracket.
2. Insert the locking pin into the lock located on
the pivoting hinge of the battery door.
3. When you attach the CO alarm to the
mounting bracket, the locking pin’s head will
fit into a notch on the bracket.
TO DEACTIVATE THE BRACKET LOCK:
DANGER !
ELECTRICAL SHOCK HAZARD. Turn off the
power to the area where the CO alarm is
installed before removing it from the mounting
bracket. Failure to turn off the power first may
result in serious electrical shock, injury or
death.
WARNING !
Always discharge the branch circuit before
servicing an AC or AC/DC CO alarm. First,
turn off the AC power at the circuit breaker or
fuse box. Next, remove the battery from CO
alarms with battery back-up. Finally, press
and hold the test button for 5-10 seconds to
discharge the branch circuit.
1. Insert a flathead screwdriver between the
mounting bracket pin and the mounting
bracket.