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BEFORE YOU BEGIN INSTALLATION
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 This Alarm” and “Where This Alarm Should Not Be Installed ”
before you begin installation. If a junction box is not already in place,
install one using standard #12 or #14 gauge copper wire.
• Make sure the alarm is not receiving excessive noisy power.
Examples of noisy power could be major appliances on the
same circuit, power from a generator or solar power, light dim-
mer on the same circuit or mounted near fluorescent lighting.
Excessive noisy power may cause damage to your Alarm.
Find the pair of self-adhesive labels included with this Smoke/CO Alarm.
• On each label write in the phone number of your emergency
responder (like 911) and a qualified appliance technician.
• Place one label near the Smoke/CO Alarm, and the other label in
the “fresh air” location you plan to go if the alarm sounds.
NOTE: A qualified appliance technician is defined as “a person, firm,
corporation, or company that either in person or through a representa-
tive, is engaged in and responsible for the installation, testing, servicing,
or replacement of heating, ventilation, air conditioning (HVAC) equipment,
combustion appliances and equipment, and/or gas fireplaces or other
decorative combustion equipment.”
PARTS OF THIS SMOKE/CO ALARM
1 Mounting Bracket
2 Mounting Slot and Screw*
3 Locking Pins (break out of
bracket)
4 Hot (Black) AC Wire
5 Neutral (White) AC Wire
6 Interconnect Wire (Orange)
7 Lever to Open Battery
Compartment
8 Swing-Out Battery
Compartment
9 Quick-Connect Power
*Not Included
1
2
3
2
9
8
7
3
5
6
4
Tools you will need: Standard/Flathead screwdriver.
ELECTRICAL SHOCK HAZARD. Turn off power to the area where you
will install this unit at the circuit breaker or fuse box before beginning
installation. Failure to turn off the power before installation may result
in serious electrical shock, injury or death.
To install this unit:
1. Remove the mounting bracket from the base. Position the screw
slots on the mounting bracket over the screws in the junction box.
Tighten the screws.
Improper wiring of the power connector or the wiring leading to the
power connector will cause damage to the Alarm and may lead to a
non-functioning Alarm.
2. Using wire nuts, connect the power connector to the AC power.
3. Plug the power connector into the back of the Smoke/CO Alarm.
4. Position the base of the Alarm over the mounting bracket. Push in to
firmly seat unit and turn. The Alarm can be positioned over the
bracket every 60°. Turn the unit clockwise (right) until the unit is in
place.
5. Check all connections.
STAND ALONE ALARM ONLY:
• Connect the white wire on the power connector to the neutral
wire in the junction box.
• Connect the black wire on the power connector to the hot wire
in the junction box.
• Tuck the orange wire inside the junction box.
It is used for
interconnect only.
INTERCONNECTED ALARMS ONLY:
Strip off about 1/2” of the plastic coating on the orange
interconnect wire on the power connector.
• Connect the white wire on the power connector to the neutral
wire (usually white) in the junction box.
• Connect the black wire on the power connector to the hot wire
(usually black) in the junction box.
• Connect the orange wire on the power connector to the inter-
connect wire in the junction box. Repeat for each unit you are
interconnecting. Never connect the hot or neutral wires in the
junction box to the orange interconnect wire.
Never cross hot
and neutral wires between interconnected Alarms.
SPECIAL REQUIREMENTS FOR INTERCONNECTED SMOKE/CO ALARMS
•
Failure to meet any of the above requirements could damage the
units and cause them to malfunction, removing your protection.
• AC and AC/DC Smoke/CO Alarms can be interconnected. Under AC
power, all units will alarm when one senses smoke or CO. When
power is interrupted, only the AC/DC units in the series will continue
to send and receive signals. AC powered Smoke/CO Alarms will not
operate. See “Smart Interconnect” Feature.
Interconnected units can provide earlier warning of a Smoke/CO problem than
stand-alone units, especially if the problem starts in a remote area of the
dwelling. If any unit in the series senses Smoke/CO, all units will alarm. To deter-
mine which Smoke/CO Alarm initiated an alarm, refer to the table.
On Initiating Smoke/CO Alarm Red LED Flashes Once per Second
On All Other Smoke/CO Alarms Red LED Does Not Flash
Interconnect units within a single family residence only. Otherwise all households
will experience unwanted alarms when you test any unit in the series.
Interconnected units will only work if they are wired to compatible units and all
requirements are met.
This unit is designed to be compatible with: BRK
Electronics
®
Smoke Alarm Models 4120, 4120B, 4120SB, 4919, 2002RAC, 100S,
5919, 5919TH; BRK Electronics
®
Heat Alarm Models HD6135F, HD6135FB; BRK
Electronics
®
CO Alarm Models
CO5120BN, CO5120PDBN
; and First Alert
®
Smoke Alarm Models SA4120, SA4120B, SA4121B, SA4919B, SA100B.
Interconnected units must meet ALL of the following requirements:
• A maximum of 18 compatible BRK Electronics
®
Smoke, Heat or CO Alarms
may be interconnected. No more than 12 of the 18 can be Smoke Alarms
per NFPA 72.
•
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. The interconnect wire should be Type 18 gauge AWM or larger, rated
at least 300V. If an interconnect wire is not already part of your household
wiring, you will need to install one. This type of wire is commonly available
at Hardware and Electrical Supply stores.
• All wiring must conform to all local electrical codes and Article 760 of the
National Electrical Code. Refer to NFPA, Chapter 2 and/or your local build-
ing code for further connection requirements.
6.
Make sure the Smoke/CO Alarm is receiving AC power. Under normal operation,
the green indicator light will shine continuously.
If the green power indicator
light does not light, TURN OFF POWER TO THE JUNCTION BOX and
recheck all connections. If all connections are correct and the green power
indicator still does not light when you restore the power, the unit should be
replaced immediately.
7.
ACTIVATING THE BATTERY BACK-UP
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.
DO NOT remove the battery activation tab
until AC power is turned on to conserve battery power.
8. Test the Smoke/CO Alarm. Press and hold the test button on the cover until
the alarm sounds: 3 beeps, pause, 3 beeps, pause, 4 beeps, pause, 4 beeps,
pause. In a series of interconnected Alarms, you must test each Alarm sepa-
rately by pressing and holding the test button. Make sure all units alarm when
each one is tested.
If any unit in the series does not alarm during testing, TURN OFF POWER and recheck
connections. If it does not alarm when you restore power, replace it immediately.
6
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8
4
3
1
5
4
3
1
5
2
A
B
}
}
A. Unswitched 120VAC B. To Additional Alarms,
60 Hz source Maximum = 18 Alarms
1. Smoke/CO Alarm
2. Ceiling or Wall
3. Power Connector
4. Wire Nut
5. Junction Box
6. Neutral Wire (White)
7. Interconnect Wire
(Orange)
8. Hot Wire (Black)
STAND ALONE ALARM ONLY:
• If you are only installing one unit, restore power to the junction box.
INTERCONNECTED ALARMS ONLY:
• If you are interconnecting multiple Smoke/CO Alarms, repeat Step 1-5
for each Smoke/CO Alarm in the series. When you are finished, restore
power to the junction box.
ELECTRICAL SHOCK HAZARD. Do not restore power until all Alarms are
completely installed. Restoring power before installation is complete may
result in serious electrical shock, injury or death.
HOW TO INSTALL THIS SMOKE/CO ALARM
INSTALLATION, Continued
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