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USER’S MANUAL
SMOKE ALARMS
Smoke particles of varying number and size are
produced in all fires.
Ionization technology is generally more
sensitive than photoelectric technology at
detecting small particles, which tend to be
produced in greater amounts by flaming fires,
which consume combustible materials rapidly
and spread quickly. Sources of these fires
may include paper burning in a wastebasket,
or a grease fire in the kitchen.
Photoelectric technology is generally more
AC Powered Ionization
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OTHER FEATURES OF SMOKE ALARMS TABLE OF CONTENTS Where To Install Smoke Alarms . . . . . . . . . . . . . .1 Battery (DC) operated Smoke Alarms: Provide pro- tection even when electricity fails, provided the batter- Where Not To Install Smoke Alarms . . . . . . . . . . .3 ies are fresh and correctly installed. Units are easy to Important! Read Before You Install install, and do not require professional installation. This Smoke Alarm . . . . . . . . . . . . . . . . . . . . . . . . .5 AC powered S
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WHERE TO INSTALL SMOKE ALARMS INSTALLING SMOKE ALARMS IN SINGLE-FAMILY AND MULTI-FAMILY RESIDENCES The National Fire Protection Association (NFPA), recommends one Smoke Alarm on every floor, in every sleeping area, and in every bedroom. In new construction, the Smoke Alarms must be AC powered and interconnected. See “Agency Placement Recommendations” for details. For additional coverage, it is recommended that you install a Smoke Alarm in all rooms, halls, storage areas, finished attics, and bas
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More specifically, install Smoke Alarms: National Fire Protection Association, One Batterymarch Park, Quincy, MA 02269-9101. Additional local build- • On every level of your home, including finished ing and regulatory codes may apply in your area. attics and basements. Always check compliance requirements before • Inside every bedroom, especially if people sleep beginning any installation. with the door partly or completely closed. Smoke Alarms Recommended In Hotels, Motels, • In the hall near e
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vide reliable early warning protection for those areas California State Fire Marshal (CSFM) separated by a door from the areas protected by Early warning detection is best achieved by the the required Smoke Alarms. For this reason, it is installation of fire detection equipment in all rooms and recommended that the householder consider the use of areas of the household as follows: A Smoke Alarm additional Smoke Alarms for those areas for increased installed in each separate sleeping area (in
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AVOIDING DEAD AIR SPACES “Dead air” spaces may prevent smoke from reach- FOR STANDARD, FLAT CEILINGS ing the Smoke Alarm. To avoid dead air spaces, Best Location follow the installation recommendations below. 4" 4" (center of ceiling) Acceptable Location On ceilings, install Smoke Alarms as close to the Do not install top of center of the ceiling as possible. If this is not possible, Dead Air Spaces smoke alarm lower than (4" or 102 mm) install the Smoke Alarm at least 4 inches (102 mm)
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IMPORTANT! READ BEFORE YOU INSTALL THIS SMOKE ALARM Read “Where To Install Smoke Alarms” and “Where Not To Install Smoke Alarms” before beginning. This unit monitors the air, and when smoke reaches its This unit must be powered by a 24-hour, 120VAC sensing chamber, it alarms. It can give you more time 60Hz circuit. Be sure the circuit cannot be turned to escape before fire spreads. This unit can ONLY off by a switch, dimmer, or ground fault circuit inter- give an early warning of developing fir
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Read Before You Install This Smoke Alarm (continued)... Never disconnect the power from an AC powered Do not stand too close to the unit when the alarm unit to stop an unwanted alarm. Doing so will disable is sounding. It is loud to wake you in an emergency. the unit and remove your protection. In the case of a Exposure to the horn at close range may harm your true unwanted alarm open a window or fan the hearing. When testing the unit, step back when the smoke away from the unit. The alarm will
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IMPORTANT INSTALLATION PARTS LOCKING FEATURES The Mounting Bracket: The locking features are designed to prevent To remove the mounting unauthorized removal of the battery or alarm. It is bracket from the Smoke not necessary to activate the locks in single-family Alarm base, hold the households where unauthorized battery or alarm Smoke Alarm base firmly removal is not a concern. and twist the mounting These Smoke Alarms have two separate locking bracket off. The mounting features: one to lock t
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To Lock The Battery Compartment To Unlock The Battery Compartment (Models 4120B and 4120SB Only) (Models 4120B and 4120SB Only) Once the Smoke Alarm is installed, you must Do not lock the battery compartment until you have disconnect it from the AC power before unlocking activated the battery and tested the battery back-up. the battery compartment. 1. Activate the battery back-up by removing the “Pull to Activate ELECTRICAL SHOCK HAZARD. Turn off the power Battery Back-Up” tab. to the area whe
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To Unlock the Battery Compartment (continued)... To Unlock The Mounting Bracket 4. To relock the battery compartment, close the battery door and reinsert locking pin in lock. ELECTRICAL SHOCK HAZARD. Turn off the power 5. Reconnect the power connector to the back of to the area where the Smoke Alarm is installed the Smoke Alarm, reattach the Smoke Alarm to before removing it from the mounting bracket. the mounting bracket, and restore the power. Failure to turn off the power first may result in
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HOW TO INSTALL THIS SMOKE ALARM This unit is designed to be mounted on any standard 1 3 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 2 place, install one using standard #12 or #14 gauge 2 solid copper Appliance Wiring Material (AWM). 6 BATTERY BACK-UP ON 3 4 5 MODELS 4120SB AND 4120B ONLY: 7 8 Activate the battery back-up by re
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4. Position the base of the Smoke Alarm over the INSTALLING A SINGLE (STAND-ALONE) mounting bracket and turn. The Alarm can be posi- SMOKE ALARM tioned over the bracket every 60°. Turn the Smoke Alarm clockwise (right) until the unit is in place. Tools you will need: Standard/Flathead screwdriver. 5. If you are only installing one unit, restore power to the junction box. ELECTRICAL SHOCK HAZARD. Turn off power to the area where you will install this unit at the circuit breaker or fuse box before
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INTERCONNECTING MULTIPLE SMOKE ALARMS Interconnected units can provide earlier warning of fire Interconnected units will only work if they are wired to than stand-alone units, especially if a fire starts in a compatible units and all requirements are met. This remote area of the dwelling. If any unit in the series sens- unit is designed to be compatible with: es smoke, all units will alarm. To determine which smoke BRK Electronics® Smoke Alarm Models 100S, alarm initiated an alarm, see table: 2
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Interconnecting Multiple Smoke Alarms • Connect the orange wire on the power connector to the interconnect wire in the 6 junction box. Repeat for each unit you are B A 7 } } interconnecting. Never connect the hot or 8 neutral wires in the junction box to the orange interconnect wire. Never cross hot and neutral 5 5 wires between Alarms. 4 4 3 4. Plug the power connector
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When testing a series of interconnected units you must test each unit individually. Make sure all units Model 4120SB Only: During installation, if you alarm when each one is tested. accidentally press the Silence button, the alarm will “chirp” once a minute for up to 15 minutes and the REGULAR MAINTENANCE Test feature will be temporarily disabled. This is This unit has been designed to be as maintenance- normal. The “chirping” will stop once the alarm free as possible, but there are a few simp
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Most carbon zinc batteries have an average service life of 1 year; most alkaline batteries have an average serv- ice life of 1-2 years; most Lithium batteries have an average service life of 6-10 years. Actual service life depends on the smoke 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
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3. While the units are in the “silence mode,” the test MODEL 4120SB ONLY— buttons will not operate. The alarms cannot be USING THE SILENCE FEATURE tested while in the silence mode. The Silence feature on this unit can temporarily quiet 4. The “chirping” on the initiating alarm will stop an unwanted alarm for several minutes. once the unit returns to normal operation. The Silence feature does not disable the unit—it The Silence feature on these units can temporarily makes it temporarily less se
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PROTECTING YOUR FAMILY FROM FIRE Putting up Smoke Alarms is just one step in protect- Follow safety rules, and prevent hazardous situations: ing your family from fires. You must also reduce the 1) Use smoking materials properly. Never smoke in bed. chance a fire will start in your dwelling, and have a plan for escaping safely if one does. To have a good 2) Keep matches or lighters away from children. fire safety program, you must: 3) Store flammable materials in proper containers. Develop a fami
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WHAT TO DO IN CASE OF FIRE IF YOUR SMOKE ALARM • Don’t panic; stay calm. Follow your escape plan. NEEDS SERVICE Your safe escape may depend on thinking clear- ly and remembering what you have practiced. Always discharge the branch circuit before servicing • Get out of the dwelling as quickly as possible. an AC or AC/DC Smoke Alarm. First, turn off the AC Don’t stop to get dressed or collect anything. power at the circuit breaker or fuse box. Next, • Feel doors with the back of your hand before
