12
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DANGER: If any unit in the series does not alarm, TURN OFF POWER and recheck connections.
RESTORE POWER. If any unit within interconnected alarms does not alarm, replace it immediately.
Stand-Alone Alarm Only:
• If you are only installing one smoke alarm, restore power to the junction box.
Interconnected Units Only:
• If you are interconnecting multiple smoke alarms, repeat steps 1-5 for each smoke alarm in the series.
When you are finished, restore power to the junction box.
Step 1
Connect the power connector to the First Alert® alarm.
Step 2
Check all connections. Make sure all plugs are completely connected and snapped together.
Ensure the Adapter Plug is securely connected to the existing Power Connector.
NOTE: If you need to remove the power connector, turn POWER OFF first. Insert a flat screwdriver blade between the
power connector and the security tab inside the power input block. Gently pry back the tab and pull the connector free.
Step 3
Line up the tabs on the unit with the notches on the mounting bracket.
Step 4
Install the base of the alarm to the mounting bracket, apply firm pressure, and turn clockwise
until a single, non-repeating audible chirp is heard.
Step 5
Restore power to the junction box.
NOTE: After you activate the alarm for the first time, the Color Indicator Ring will power up and the alarm
will welcome you. To program your alarm, follow the instructions provided in the Onelink Home App.
Step 6
Test each alarm. Press and hold the test button until the unit alarms. When testing a series of interconnected
units you must test each unit individually. Make sure all units alarm when each one is tested.
NOTE: Removing the alarm from the mounting bracket will turn the alarm o.
Setup & Installation (Continued)
Installing Onelink Safe & Sound
!
IMPORTANT: If your alarm is not fully axed to the mounting bracket the alarm will produce
a repeating audible chirp.
Visit www.firstalert.com/product/safe-sound to view alarms compatible with Onelink Safe & Sound.
Interconnected Units Must Meet All of the Following Requirements:
• A maximum of 12 compatible units may be interconnected (Maximum of 12 smoke alarms).
• The same fuse or circuit breaker must power all interconnected units.
• The total length of wire interconnecting the units should be less than 1000 feet (300 meters).
This type of wire is commonly available at Hardware and Electrical Supply stores.
• All wiring must conform to all local electrical codes and NFPA 70 (NEC). Refer to NFPA 72,
NFPA 101, and/or your local building code for further connection requirements.
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