units and cause them to malfunction, removing your protection. • AC and AC/DC Smoke Alarms can be interconnected. Under AC power, all units will alarm when one senses smoke. When power is interrupted, only the AC/DC units in the series will continue to send and receive signals. AC pow...
malfunctions, the system enters a supervised alarm mode. In the event of a fire, the other of the sensors 27 or 28 detects the fire and system still operates to extinguish the fire. This function allows the system to police itself for system malfunctions, while also alerting the user to ...