First Alert CO511CN user manual Optional Locking Features, To Lock The Battery Compartment

OPTIONAL LOCKING FEATURES

The optional locking features are designed to prevent unauthorized removal of the battery or alarm. It is not necessary to activate the locks in single-family households where unauthorized battery or alarm removal is not a concern.

These CO Alarms have two separate locking features: one to lock the battery compartment, and the other to lock the CO Alarm to the mounting bracket. You can choose to use either feature independently, or use them both.

Tools you will need: • Needle-nose pliers • Standard flathead screwdriver.

Both locking features use locking pins, which are molded into the mounting bracket. Depending on which locking features you use, remove one or both pins from the mounting bracket using needle-nose pliers.

To permanently remove either locking pin, insert a flathead screwdriver between the locking pin and the lock, and pry the pin out of the lock.

TO LOCK THE BATTERY COMPARTMENT

Do not lock the battery compartment until you install the batteries and test the CO Alarm.

If the unit does not alarm during testing, DO NOT lock the battery compartment! Install new batteries and test again.

If the CO Alarm still does not alarm, replace it immediately.

1. Using needle-nose pliers, detach one locking pin from the mounting bracket.

2. After batteries are inserted, then push the locking pin through the hole near the battery door latch on the back of the CO Alarm.

TO UNLOCK THE BATTERY COMPARTMENT

1. Remove the CO Alarm from the mounting bracket. If the unit is locked to the bracket, see the section

“To Unlock the Mounting Bracket.”

2. Insert a flathead screwdriver under the head of the locking pin, and gently pry it out of the battery compartment lock. (If you plan to relock the battery compartment, save the locking pin.)

3. To relock the battery compartment, close the battery door and reinsert locking pin in lock.

4. Reattach the CO Alarm to the mounting bracket.

When replacing the batteries, always test the Alarm before relocking the battery compartment.

TO LOCK THE MOUNTING BRACKET

1. Using needle-nose pliers, detach one locking pin from the mounting bracket.

2. Insert the locking pin through the hole on the back of the CO Alarm as shown in the diagram.

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 UNLOCK THE MOUNTING BRACKET

1. Insert a flathead screwdriver into the rectangular cut-out on the mounting bracket nearest to the locking pin.

2. Pry the CO Alarm away from the bracket by pushing up on the screw- driver and turning the CO Alarm counterclockwise (left) at the same time.

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