red Smoke Alarms RHA240SL RHARFM Wireless RF Module User Manual

red Smoke Alarms RHA240SL RHARFM Wireless RF Module User Manual Installation Pairing 1 Set one alarm as Master – press and hold Test/Wireless Pairing button for 10 seconds (Master). Then, the LED of this alarm will illuminate for 2min30sec to indicate it is in wireless pairing mode. 2 Connect other RF AC Mains alarms devices …