BRK electronic 4120 AC Operation & User’s Manual

7, 5 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 sensing chamber, it alarms. It can give you more time to escape before fire spreads. This unit can ONLY give an early warning of de…

21, 19 TROUBLESHOOTING ELECTRICAL SHOCK HAZARD. Always TURN OFF POWER before checking connections or disconnecting any Smoke Alarm! Problem.... You should... Smoke Alarm sounds when • Clean the Smoke Alarm. (See “Testing and Maintenance.”) no smoke is visible. • Check the location …

4, BRK electronic 4120 AC 2 More specifically, install Smoke Alarms: • On every level of your home, including finished attics and basements. • Inside every bedroom, especially if people sleep with the door partly or completely closed. • In the hall near every sleeping area. If your home has multiple sleepi…

2, OTHER FEATURES OF SMOKE ALARMS Battery (DC) operated Smoke Alarms: Provide pro- tection even when electricity fails, provided the batter- ies are fresh and correctly installed. Units are easy to install, and do not require professional installation. AC powered Smoke Alarms: Can b…

14, 12 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 Modu…