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This unit is designed to be mounted on any standard
wiring junction box up to a 4-inch size, on either the
ceiling or wall. Read “Where to Install Smoke Alarms”
and “Where Not To Install Smoke Alarms” before you
begin installation. If a junction box is not already in
place, install one using standard #12 or #14 gauge
solid copper Appliance Wiring Material (AWM).
BATTERY BACK-UP ON
MODELS 4120SB AND 4120B ONLY:
Activate the battery back-up by removing the “Pull to
Activate Battery Back-Up” tab. You do not need to
open the battery compartment and reposition the
battery during installation.
When the battery is activated, the red light will
shine continuously for 5-10 seconds, then begin to
flash about once a minute.
Test the battery back-up. Press and hold the test
button on the cover until the alarm sounds.
HOW TO INSTALL THIS SMOKE ALARM
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The Parts of This Unit
1 Mounting Bracket
2 Mounting Slots and Screws
3 Locking Pins (break out of bracket)
4 Hot (Black) AC Wire
5 Neutral (White) AC Wire
6 Interconnect Wire
7 Latch to Open Battery Compartment
8 Swing-Out Battery Compartment
9 Quick-Connect Power Connector