Brk-electronic 4120 AC User Manual

USER’S MANUALSMOKE ALARMSM06-2016-008 08/01Models 4120SB, 4120B, 4120AC Powered Ionization Smoke Alarm with Battery Back-Up and Silence FeatureCats. 4

8To Unlock The Battery Compartment(Models 4120B and 4120SB Only)Once the Smoke Alarm is installed, you must disconnect it from the AC power before un

9To Unlock the Battery Compartment (continued)...4. To relock the battery compartment, close the battery door and reinsert locking pin in lock.5. Reco

10This unit is designed to be mounted on any standardwiring junction box up to a 4-inch size, on either theceiling or wall. Read “Where to Install Smo

11INSTALLING A SINGLE (STAND-ALONE)SMOKE ALARMTools you will need: Standard/Flathead screwdriver.ELECTRICAL SHOCK HAZARD. Turn off power tothe area wh

12INTERCONNECTING MULTIPLE SMOKE ALARMSInterconnected units will only work if they are wired tocompatible units and all requirements are met. Thisunit

13Interconnecting Multiple Smoke AlarmsA Unswitched 120V AC 4 Wire Nut60 Hz SourceBTo Additional Units 5 Junction BoxMaximum = 18 (Max.12 Smoke Ala

14Model 4120SB Only: During installation, if you accidentally press the Silence button, the alarm will“chirp” once a minute for up to 15 minutes and t

15Most carbon zinc batteries have an average service lifeof 1 year; most alkaline batteries have an average serv-ice life of 1-2 years; most Lithium b

16MODEL 4120SB ONLY—USING THE SILENCE FEATUREThe Silence feature on this unit can temporarily quietan unwanted alarm for several minutes. The Silence

17PROTECTING YOUR FAMILY FROM FIREPutting up Smoke Alarms is just one step in protect-ing your family from fires. You must also reduce thechance a fir

OTHER FEATURES OF SMOKE ALARMSBattery (DC) operated Smoke Alarms: Provide pro-tection even when electricity fails, provided the batter-ies are fresh a

18WHAT TO DO IN CASE OF FIRE• Don’t panic; stay calm. Follow your escape plan.Your safe escape may depend on thinking clear-ly and remembering what yo

19TROUBLESHOOTINGELECTRICAL SHOCK HAZARD. Always TURN OFF POWER before checking connections or disconnectingany Smoke Alarm!Problem... You should...S

20SPECIAL COMPLIANCE CONSIDERATIONSThis unit alone is not a suitable substitute for complete fire detection systems in places housing many people—like

21LIMITATIONS OF SMOKE ALARMSSmoke alarms have played a key role in reducingdeaths resulting from home fires worldwide. However,like any warning devic

22Coverage: BRK Brands, Inc. ("BRK") the makerof BRK Electronics®brand products, warrantsthat for a period of 10 years from the date ofpurch

1WHERE TO INSTALL SMOKE ALARMSINSTALLING SMOKE ALARMS IN SINGLE-FAMILY AND MULTI-FAMILY RESIDENCESThe National Fire Protection Association (NFPA), rec

2More specifically, install Smoke Alarms:• On every level of your home, including finishedattics and basements.• Inside every bedroom, especially if p

3vide reliable early warning protection for those areasseparated by a door from the areas protected by the required Smoke Alarms. For this reason, it

4AVOIDING DEAD AIR SPACESFOR STANDARD, FLAT CEILINGSFOR PEAKED CEILINGS(i.e. Cathedral ceilings, A-frames)Best Location (center of ceiling)Acceptabl

5Read “Where To Install Smoke Alarms” and “WhereNot To Install Smoke Alarms” before beginning. Thisunit monitors the air, and when smoke reaches itsse

6Read Before You Install This Smoke Alarm (continued)...Never disconnect the power from an AC poweredunit to stop an unwanted alarm. Doing so will dis

7IMPORTANT INSTALLATION PARTSThe Mounting Bracket:To remove the mountingbracket from the SmokeAlarm base, hold theSmoke Alarm base firmlyand twist th