BRK electronic 4120 AC User Manual
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BRK electronic 4120 AC User Manual

BRK electronic 4120 AC User Manual

Brk electronics smoke alarms user's manual 4120sb, 4120b, 4120 ac
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AC Powered Ionization Smoke Alarm with
Battery Back-Up and Silence Feature
Cats. 4120SB, 4120SAB
Input: 120V AC, 60Hz, 0.05A
AC Powered Ionization Smoke Alarm
with Battery Back-Up
Cats. 4120B, 4120AB
Input: 120V AC, 60Hz, 0.05A
AC Powered Ionization Smoke Alarm
Cat. 4120
Input: 120V AC, 60Hz, 0.05A
USER'S MANUAL
SMOKE ALARMS
Smoke particles of varying number and size are
produced in all fires.
For maximum protection, use both types of smoke
alarms on each level of your home.
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
sensitive than ionization technology at detect-
ing large particles, which tend to be produced
in greater amounts by smoldering fires, which
may smolder for hours before bursting into
flame. Sources of these fires may include
cigarettes burning in couches or bedding.
Models
4120SB, 4120B, 4120
M06-2016-008 08/01

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Summary of Contents for BRK electronic 4120 AC

  • Page 1 AC Powered Ionization Smoke Alarm with Battery Back-Up and Silence Feature Cats. 4120SB, 4120SAB Input: 120V AC, 60Hz, 0.05A AC Powered Ionization Smoke Alarm with Battery Back-Up Cats. 4120B, 4120AB Input: 120V AC, 60Hz, 0.05A AC Powered Ionization Smoke Alarm Cat.

  • Page 2: Table Of Contents

    Where Not To Install Smoke Alarms ...3 Important! Read Before You Install This Smoke Alarm ......5 Understanding the Indicator Lights and Alarm Horn Patterns .

  • Page 3: 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”...

  • Page 4: Agency Placement Recommendations

    (and may be required) they be interconnected for added protection. Installing Smoke Alarms in Mobile Homes For minimum security install one Smoke Alarm as close to each sleeping area as possible. For more security, put one unit in each room. Many older mobile homes (especially those built before 1978) have little or no insulation.

  • Page 5: Where Not To Install Smoke Alarms

    Early warning detection is best achieved by the installation of fire detection equipment in all rooms and areas of the household as follows: A Smoke Alarm installed in each separate sleeping area (in the vicinity, but outside bedrooms), and Heat or Smoke Alarms in...
  • Page 6 “dead air” spaces. On a peaked, gabled, or cathedral ceiling, install Install first the first Smoke Alarm within 3 feet (0.9 meters) of the smoke alarm peak of the ceiling, measured horizontally. Additional in this target area...

  • Page 7: Important! Read Before You Install This Smoke Alarm

    Failure to connect this unit to a 24-hour circuit may prevent it from providing constant protection. This Smoke Alarm must have AC or battery power to operate. On Models 4120SB and 4120B Only: If the AC power fails, battery back-up will allow the alarm to sound for at least 4 minutes.

  • Page 8: Understanding The Indicator Lights And Alarm Horn Patterns

    NOTE: When power is applied, unit(s) may alarm momentarily. *When any Smoke Alarm in an interconnected series triggers an alarm, its red LED will flash rapidly. The red LEDs will remain OFF on any remaining alarms in the series. This feature helps responders identify which unit(s) triggered the alarm.

  • Page 9: Locking Features

    These Smoke Alarms have two separate locking features: one to lock the battery compartment, and the other to lock the Smoke Alarm to the mounting bracket. You can choose to use either feature independently, or use them both.
  • Page 10 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 battery from Smoke Alarms with battery back-up.
  • Page 11 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 battery from Smoke Alarms with battery back-up.

  • Page 12: How To Install This Smoke Alarm

    HOW TO INSTALL THIS SMOKE ALARM 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.

  • Page 13: Installing A Single (Stand Alone) Smoke Alarm

    3. Plug the power connector into the back of the Smoke Alarm. 4. Position the base of the Smoke Alarm over the mounting bracket and turn. The Alarm can be posi- tioned over the bracket every 60°. Turn the Smoke Alarm clockwise (right) until the unit is in place.

  • Page 14: Interconnecting Multiple Smoke Alarms

    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 100S, 2002RAC, 4120, 4120B, 4120SB, 4919, 5919, 5919TH, RM3 (Relay Module); BRK Electronics®...
  • Page 15 ;; ;; 4. Plug the power connector into the back of the Smoke Alarm. 5. Position the base of the Smoke Alarm over the mounting bracket and turn. The Alarm can be positioned over the bracket every 60°. Turn the unit clockwise (right) until the unit is in place.

  • Page 16: Testing And Maintenance

    Underwriters Laboratories, Inc. (UL). If you choose to use an aerosol smoke product to test the smoke alarm, be certain to use one that has been Listed to Underwriters Laboratories, Inc. Safety Standards, and use it only as directed. Use of non- UL Listed products or improper use of UL Listed products may affect the Smoke Alarm’s sensitivity.

  • Page 17: If This Smoke Alarm Sounds

    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.

  • Page 18: Using The Silence Feature (Cat. 4120Sb Only)

    MODEL 4120SB ONLY— USING THE SILENCE FEATURE The Silence feature on this unit can temporarily quiet an unwanted alarm for several minutes. The Silence feature does not disable the unit—it makes it temporarily less sensitive to smoke. For your safety, if smoke around the unit is dense enough to suggest a potentially dangerous situation, the unit will stay in alarm or may re- alarm quickly.

  • Page 19: Protecting Your Family From Fire

    Teach them to stay close to the floor and crawl if necessary. Install at least one Smoke Alarm on every level of your dwelling and/or dwelling unit, in every bedroom, and in every sleeping area. Keep alarms clean, and test them weekly.

  • Page 20: What To Do In Case Of Fire

    IF YOUR SMOKE ALARM NEEDS SERVICE 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 battery from Smoke Alarms with battery back-up.

  • Page 21: Troubleshooting

    • Check the location of the Alarm. (See Where To Install Smoke Alarms.”) • Check if you accidently pushed the Test Button. • Check the location of the Smoke Alarm. The smoke alarm may be too close to a kitchen, cooking appliance, or steamy bathroom. (See “Where To Install Smoke Alarms.”)

  • Page 22: Special Compliance Considerations

    SPECIAL COMPLIANCE CONSIDERATIONS This unit alone is not a suitable substitute for complete fire detection systems in places housing many people—like apartment buildings, condominiums, hotels, motels, dormitories, hospitals, long-term health care facilities, nursing homes, day care facilities, or group homes of any kind—even if they were once single-family homes.

  • Page 23: Limitations Of Smoke Alarms

    Smoke Alarms have a limited life. The unit should be replaced immediately if it is not operating properly. You should always replace a Smoke Alarm after 10 years from date of purchase. Write the purchase date on the space provided on back of unit.

  • Page 24: 10-Year Limited Warranty

    10-YEAR LIMITED WARRANTY Coverage: BRK Brands, Inc. ("BRK") the maker of BRK Electronics ® brand products, warrants that for a period of 10 years from the date of purchase, this product will be free from defects in material and workmanship. BRK, at its option, will repair or replace this product or any component of the product found to be defective during the warranty period.

This manual is also suitable for:

4120sb4120sab4120b4120ab4120

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