First Alert 3120B User Manual page 3

If any unit in the series does not alarm, TURN OFF POWER and recheck
The pattern repeats approximately every 45 seconds.
connections. If it does not alarm when you restore power, replace it
immediately.
On All Other Alarms Green LED(s) On, Red LED(s) Off
Special Requirements For Interconnected Smoke Alarms
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
• Failure to meet any of the above requirements could damage the
units and all requirements are met. This unit is designed to be compatible
units and cause them to malfunction, removing your protection.
with: First Alert Smoke Alarm Models SA4120, SA4121B, SA100B, SA520
®
and BRK Smoke Alarm Models 3120B, 9120, 9120B, SC6120B, SC9120B,
®
• AC and AC/DC Smoke Alarms can be interconnected. Under AC
7010, 7010B, 7010BSL, 7020B, SC7010B, SC7010BV, 100S, 4120, 4120B,
power, all units will alarm when one senses smoke. When power
4120SB; BRK CO Alarm Models CO5120BN, CO5120PDBN; BRK
®
is interrupted, only the AC/DC units in the series will continue to
Alarm Models HD6135F and HD6135FB; BRK
send and receive signals. AC powered Smoke Alarms will not
RM3 and RM4 (Relay Modules), SL177 (Strobe Light).
operate.
See www.brkelectronics.com for most current interconnect list.
Interconnected units can provide earlier warning of fire than stand-alone units,
Interconnected units must meet ALL of the following requirements:
especially if a fire starts in a remote area of the dwelling. If any unit in the series
senses smoke, all units will alarm. To determine which Smoke Alarm initiated an
• A maximum of 18 compatible units may be interconnected
alarm, see table:
(Maximum of 12 Smoke Alarms).
• The same fuse or circuit breaker must power all interconnected units.
During an Alarm:
• The total length of wire interconnecting the units should be less than
On Initiating Alarm(s) Red LED(s) flashes (flash) rapidly
1000 feet (300 meters). This type of wire is commonly available at
On All Other Alarms Red LED is Off
Hardware and Electrical Supply stores.
• All wiring must conform to all local electrical codes and NFPA 70 (NEC).
After an Alarm (Latching):
Refer to NFPA 72, NFPA 101, and/or your local building code for further
connection requirements.
On Initiating Alarm(s) Red LED(s) flash 3 times, spaced one second apart.
The pattern repeats approximately every 45 seconds.
}
On All Other Alarms Green LED(s) On, Red LED(s) Off
)
#
"
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: First Alert Smoke Alarm Models SA4120, SA4121B, SA100B, SA520
®
and BRK Smoke Alarm Models 3120B, 9120, 9120B, SC6120B, SC9120B,
®
7010, 7010B, 7010BSL, 7020B, SC7010B, SC7010BV, 100S, 4120, 4120B,
4120SB; BRK CO Alarm Models CO5120BN, CO5120PDBN; BRK
®
Alarm Models HD6135F and HD6135FB; BRK
RM3 and RM4 (Relay Modules), SL177 (Strobe Light).
A. Unswitched 120VAC
See www.brkelectronics.com for most current interconnect list.
60 Hz source
Interconnected units must meet ALL of the following requirements:
1. Smoke Alarm
• A maximum of 18 compatible units may be interconnected
2. Ceiling or Wall
(Maximum of 12 Smoke Alarms).
3. Power Connector
• 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.
UNDERSTANDING THE INDICATOR LIGHTS
• All wiring must conform to all local electrical codes and NFPA 70 (NEC).
AND ALARM HORN PATTERNS
Refer to NFPA 72, NFPA 101, and/or your local building code for further
connection requirements.
}
Normal Operation
)
#
"
Test Condition
Alarm Condition*
(Initiating Unit)
TO UNLOCK THE BATTERY COMPARTMENT
A. Unswitched 120VAC
Alarm Condition*
(Remote Units)
60 Hz source
Once the Smoke Alarm is installed, you must disconnect it from the AC power
Silence Mode 1. Smoke Alarm 4. Wire Nut
before unlocking the battery compartment.
2. Ceiling or Wall 5. Junction Box
3. Power Connector 6. Neutral Wire (Wht)
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the
Smoke Alarm is installed before removing it from the mounting bracket.
Low Battery
Failure to turn off the power first may result in serious electrical shock,
injury or death.
Latching Alarm
Always discharge the branch circuit before servicing an AC or AC/DC
Smoke Alarm. First, turn off the AC power at the circuit breaker or fuse box.
Next, remove the batteries from Smoke Alarms with battery back-up.
Low Battery Latch
Finally, press and hold the Test/Silence button for 5-10 seconds to
discharge the branch circuit.
1. Remove the Smoke Alarm from the mounting
bracket. If the unit is locked to the bracket, see
NOTE: When power is applied, unit(s) may alarm momentarily.
the section "To Unlock the Mounting Bracket."
*When any Smoke Alarm in an interconnected series triggers an alarm, its
2. Disconnect the power connector by gently prying
red LED will flash rapidly. The red LEDs will remain OFF on any remaining
it away from the back of the Smoke Alarm.
alarms in the series. This feature helps responders identify which unit(s)
3. Insert a flathead screwdriver under the head
triggered the alarm.
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.)
WEEKLY TESTING
4. To relock the battery compartment, close the
battery door and reinsert locking pin in lock.
TO UNLOCK THE BATTERY COMPARTMENT
5. Reconnect the power connector to the back of the Smoke Alarm, reattach
• NEVER use an open flame of any kind to test this unit. You might
the Smoke Alarm to the mounting bracket, and restore the power.
accidentally damage or set fire to the unit or to your home. The built-
Auxiliary Devices Models
®
#
"
Auxiliary Devices Models
®
B. To additional units; Maximum = 18 total
(Maximum 12 Smoke Alarms)
4. Wire Nut 7. Interconnect Wire
(Orange)
5. Junction Box
8. Hot Wire (Blk)
6. Neutral Wire (Wht)
AC Power DC Power
$
Constant Green LED Flashing Green LED
%
once/minute &
#
No Audible Alarm
No Audible Alarm
"
Rapidly Flashing Rapidly Flashing
Red LED Red LED
Audible Alarm Audible Alarm
Rapidly Flashing Rapidly Flashing
Red LED Red LED
Audible Alarm
Audible Alarm
B. To additional units; Maximum = 18 total
Constant Green LED Green LED Off
(Maximum 12 Smoke Alarms)
Audible Alarm
Audible Alarm
7. Interconnect Wire
Rapidly Flashing Rapidly Flashing
(Orange)
Red LED Red LED
8. Hot Wire (Blk)
Audible Alarm Off Audible Alarm Off
Alarm "chirp'' approx. Alarm "chirp'' approx.
once/minute once/minute
Red LED flashing 2 Not available
seconds on,
2 seconds off
Green LED flashing 2 Not available
seconds on,
2 seconds off
During testing, you will hear a loud, repeating horn pattern: 3 beeps,
triggered the alarm.
pause, 3 beeps, pause. LED flashes once every second.
When testing a series of interconnected units you must test each unit
individually. Make sure all units alarm when each one is tested.
WEEKLY TESTING
REGULAR MAINTENANCE
• NEVER use an open flame of any kind to test this unit. You might
accidentally damage or set fire to the unit or to your home. The built-
Use only the replacement batteries listed below. The unit may not
in test switch accurately tests the unit's operation as required by
operate properly with other batteries. Never use rechargeable batteries
Underwriters Laboratories, Inc. (UL).
since they may not provide a constant charge.
• If the Alarm ever fails to test properly, replace it immediately.
This unit has been designed to be as maintenance-free as possible, but there
Heat
®
Products under warranty may be returned to the manufacturer
are a few simple things you must do to keep it working properly:
for replacement. See "Limited Warranty" at the end of this manual.
•
•
DO NOT stand close to the Alarm when the horn is sounding. Exposure
at close range may be harmful to your hearing. When testing, step away
when horn starts sounding.
It is important to test this unit every week to make •
sure it is working properly. Using the test button is the
recommended way to test this Smoke Alarm.
Press and hold the Test/Silence button on the cover of the •
unit until the alarm sounds (the unit may continue to alarm
for a few seconds after you release the button). If it does
•
not alarm, make sure the unit is receiving power and test
it again. If it still does not alarm, replace it immediately.
During testing, you will hear a loud, repeating horn pattern: 3 beeps,
pause, 3 beeps, pause. LED flashes once every second.
}
$
Choosing a replacement battery:
% When testing a series of interconnected units you must test each unit
*
&
Your Smoke/CO Alarm requires two "AA" Energizer E91 batteries.
individually. Make sure all units alarm when each one is tested.
These batteries are available at many local retail stores.
REGULAR MAINTENANCE
Actual battery service life depends on the Alarm and the environment in which
it is installed. All the batteries specified above are acceptable replacement
batteries for this unit. Regardless of the manufacturer's suggested battery life,
Use only the replacement batteries listed below. The unit may not
you MUST replace the battery immediately once the unit starts "chirping"
operate properly with other batteries. Never use rechargeable batteries
(the "low battery warning").
since they may not provide a constant charge.
To replace the batteries (without removing Alarm from the ceiling or wall):
This unit has been designed to be as maintenance-free as possible, but there
Heat
®
are a few simple things you must do to keep it working properly:
1. Open the battery compartment.
• Test it at least once a week.
2. Press tabs A and B as shown in the diagram
• Clean the Smoke Alarm at least once a month; gently vacuum the
outside of the Smoke Alarm using your household vacuum's soft brush
3. Insert the new batteries, making sure
attachment. Test the Smoke Alarm. Never use water, cleaners or solvents
since they may damage the unit.
• If the Smoke Alarm becomes contaminated by excessive dirt, dust and/or
grime, and cannot be cleaned to avoid unwanted alarms, replace the
unit immediately.
4. Close the battery compartment, and then
• Relocate the unit if it sounds frequent unwanted alarms. See "Locations
To Avoid For Smoke Alarms" for details.
• When the battery back-up becomes weak, the Smoke Alarm will "chirp"
about once a minute (the low battery warning). This warning should last 7
days, but you should replace the batteries immediately to continue your
protection.
}
Choosing a replacement battery:
Locking Features (Continued)
*
Your Smoke/CO Alarm requires two "AA" Energizer E91 batteries.
These batteries are available at many local retail stores.
TO LOCK THE MOUNTING BRACKET
1. Using needle-nose pliers, detach one locking pin from mounting bracket.
Actual battery service life depends on the Alarm and the environment in which
it is installed. All the batteries specified above are acceptable replacement
batteries for this unit. Regardless of the manufacturer's suggested battery life,
you MUST replace the battery immediately once the unit starts "chirping"
(the "low battery warning").
To replace the batteries (without removing Alarm from the ceiling or wall):
1. Open the battery compartment.
2. Press tabs A and B as shown in the diagram
and remove each battery.
2. Insert the locking pin into the lock located
3. Insert the new batteries, making sure
they snap completely into the battery
compartment. Match the terminals on the
ends of the batteries with the terminals on
3. When you attach the Smoke Alarm to the mounting bracket, the locking
the unit.
4. Close the battery compartment, and then
test the unit by pressing the Test/Silence
button.
TO UNLOCK THE MOUNTING BRACKET
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the
Smoke Alarm is installed before removing it from the mounting bracket.
Failure to turn off the power first may result in serious electrical shock,
Locking Features (Continued)
injury or death.
TO LOCK THE MOUNTING BRACKET
1. Using needle-nose pliers, detach one locking pin from mounting bracket. Always discharge the branch circuit before servicing an AC or AC/DC
Smoke Alarm. First, turn off the AC power at the circuit breaker or fuse
box. Next, remove the batteries from Smoke Alarms with battery back-up.
Finally, press and hold the Test/Silence button for 5-10 seconds to
discharge the branch circuit.
1. Insert a flathead screwdriver between the
2. Insert the locking pin into the lock located
2. Pry the Smoke Alarm away from the bracket by
opposite from the battery drawer as shown
Test it at least once a week.
Clean the Smoke Alarm at least once a month; gently vacuum the
outside of the Smoke Alarm using your household vacuum's soft brush
attachment. Test the Smoke Alarm. Never use water, cleaners or solvents
since they may damage the unit.
If the Smoke Alarm becomes contaminated by excessive dirt, dust and/or
grime, and cannot be cleaned to avoid unwanted alarms, replace the
unit immediately.
Relocate the unit if it sounds frequent unwanted alarms. See "Locations
To Avoid For Smoke Alarms" for details.
When the battery back-up becomes weak, the Smoke Alarm will "chirp"
about once a minute (the low battery warning). This warning should last 7
days, but you should replace the batteries immediately to continue your
protection.
and remove each battery.
they snap completely into the battery
compartment. Match the terminals on the
ends of the batteries with the terminals on
the unit.
test the unit by pressing the Test/Silence
button.
opposite from the battery drawer as shown
in the diagram.
pin's head will fit into a notch on the bracket.
mounting bracket pin and the mounting bracket.
2
1
2
A B
A B