LOCKING FEATURES
The locking features are designed to discourage unauthorized removal of the battery or alarm. It is not necessary to activate the locks in
These Heat Alarms have two separate locking features: one to lock the battery compartment, and the other to lock the Heat Alarm to the mounting bracket. You can choose to use either feature independently, or use them both.
Locking Pin
Tools you will need: •
Both locking features use locking pins, which are molded into the mounting bracket. Using needle nose pliers or a utility knife, remove one or both pins from the mounting bracket, depending on how many locking features you want to use.
To permanently remove either lock 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 have activated the battery and tested the battery
1. Activate the battery
DO NOT remove the battery activation until AC power is turned on to conserve battery power.
2.Press the Test/Silence button until you hear a brief acknowledge (or feedback) chirp. The alarm will sound: 3 beeps, pause, 3 beeps, pause.
If the unit does not alarm during testing, DO NOT lock the battery compartment! Install a new battery and test again. If the Heat Alarm still does not alarm, replace it immediately.
3. Using
4. Push the locking pin through the black dot on the label on the back of the Heat Alarm.
TO UNLOCK THE BATTERY COMPARTMENT
Once the Heat Alarm is installed, you must disconnect it from the AC power before unlocking the battery compartment.
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the Heat 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.
Turn off the AC power at the circuit breaker or fuse box.
1.Remove the Heat Alarm from the mounting bracket. If the unit is locked to the bracket, see the section “To Unlock the Mounting Bracket.”
2.Disconnect the power connector by gently
prying it away from the back of the Heat Alarm.
3. 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.)
4. To relock the battery compartment, close the battery door and reinsert locking pin in lock.
5.Reconnect the power connector to the back of the Alarm, reattach the Heat Alarm to the mounting bracket, and restore the power.
When replacing the battery, always test the Heat Alarm before relocking the battery compartment.
TO LOCK THE MOUNTING BRACKET
1.Using
2.Insert the locking pin into the lock located on the pivoting hinge of the battery door.
3.When you attach the Alarm to the mounting bracket, the locking pin’s head will fit into a notch on the bracket.
TO UNLOCK THE MOUNTING BRACKET
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the Heat 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.
Always discharge the branch circuit before servicing an AC or AC/DC Heat Alarm. First, turn off the AC power at the circuit breaker or fuse box. Next, remove the battery from Alarms with battery
1.Insert a flathead screwdriver between the mounting bracket pin and the mounting bracket.
2.Pry the Heat Alarm away from the bracket by turning both the screw- driver and the Heat Alarm counterclockwise (left) at the same time.
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