Sources of these fires may include paper burning in a wastebasket, or a grease fire in the kitchen. Photoelectric smoke alarms are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches or bedding. For maximum protection, use both types of smoke alarms on each level of your home. Model 4120B M06-2016-007 06/00 4120SB AC Powered Ionization Smoke Alarm with Battery Back-Up and Silence Feature Cat. 4120SB Input: 120V AC, 60Hz, 0.5A AC Powered Ionization Smoke Alarm with Battery Back-up Cat. 4120B Input: 120V AC, 60Hz, 0.5A INSIDE THIS MANUAL Where To Install Smoke Alarms . . . . . . . . .1 Where Not To Install Smoke Alarms . . . . . .3 Important! Read Before You Install This Smoke Alarm . . . . . . . . . . . . . . . . . . .5 Understanding the Indicator Lights and Alarm Horn Patterns. . . . . . . . . . . . . . . . 6 Optional Locking Features . . . . . . . . . . . . .7 How To Install This Smoke Alarm . . . . . . .10 Installing a Single (Stand Alone) Smoke Alarm. . . . . . . . . . . . . . . . . . . . . . . . 11 Interconnecting Multiple Smoke Alarms . . . 12 Testing and Maintenance . . . . . . . . . . . . .14 If This Smoke Alarm Sounds. . . . . . . . . . .15 Using The Silence Feature (Cat. 4120SB Only). . . . . . . . . . . . . . . . . .16 Protecting Your Family From Fire . . . . . . .17 What To Do In Case Of Fire. . . . . . . . . . . .18 If Your Smoke Alarm Needs Service . . . . .18 Troubleshooting . . . . . . . . . . . . . . . . . . . .19 Special Compliance Considerations . . . . .20 Limitations Of Smoke Alarms . . . . . . . . . .21 10-Year Limited Warranty . . . . BACK COVER IMPORTANT! PLEASE READ CAREFULLY AND SAVE. This user’s manual contains important information about your smoke alarm’s operation. If you are installing this smoke alarm for use by others, you must leave this manual--or a copy of it--with the end user. Other Features of Smoke Alarms Battery (DC) operated smoke alarms: Provide protection even when electricity fails, provided the batteries are fresh and correctly installed. Units are easy to install, and do not require professional installation. AC powered smoke alarms: Can be interconnected so if one unit senses smoke, all units alarm. They do not operate if electricity fails. Units must be installed by a qualified electrician. AC/DC powered smoke alarms: (AC with battery backup): Can be interconnected so if one unit senses smoke, all units alarm. They will operate if electricity fails, provided the batteries are fresh and correctly installed. Units must be installed by a qualified electrician. Smoke alarms for the hearing impaired: Special purpose smoke alarms should be installed for the hearing impaired. They include a visual alarm and an audible alarm horn, and meet the requirements of the Americans With Disabilities Act. These units can be interconnected so if one unit senses smoke, all units alarm. They do not operate if electricity fails. Units must be installed by a qualified electrician. BRK Electronics® Cat. 100S is an AC powered unit that has an 85 decibel alarm and a 177 candela strobe light, which flashes rapidly when the unit is in alarm. All these units are designed to provide early warning of fires if located, installed and cared for as described in the user’s manual, and if smoke reaches them. If you are unsure which type of unit to install, refer to Chapter 2 of the National Fire Protection Association (NFPA) Standard 72 (National Fire Alarm Code) and NFPA 101 (Life Safety Code). National Fire Protection Association, One Batterymarch Park, Quincy, MA 02269-9101. Local building codes may also require specific units in new construction or in different areas of the home. 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 basements, where temperatures normally remain between 40°F (4°C) and 100°F (38°C). Make sure no door or other obstruction could keep smoke from reaching the smoke alarms. BEDROOMBEDROOM HALL LIVING ROOM KITCHEN FINISHED BASEMENT MULTI-STORY RESIDENCE NEW CONSTRUCTIONBEDROOM BEDROOM LIVING ROOM DINING ROOM SINGLE-STORY RESIDENCE, APARTMENT, MOBILE HOME KITCHEN INTERCONNECTED AC OR AC/DC SMOKE ALARMS REQUIRED TO MEET NFPA RECOMMENDATIONS RECOMMENDED FOR ADDITIONAL PROTECTION KEY: SMOKE ALARMS WITH SILENCE FEATURES RECOMMENDED FOR ADDITIONAL PROTECTION BEDROOMBEDROOM HALL LIVING ROOM KITCHEN FINISHED BASEMENT MULTI-STORY RESIDENCE EXISTING HOMESBEDROOM BEDROOM KITCHEN LIVING ROOM DINING ROOM SINGLE-STORY RESIDENCE,...