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When interconnecting 755PSMA2 smoke alarms and using the new 755RB base do all smoke alarms need to have the RB base to be tested remotely?


Only one 755RB base is required to test the interconnected smoke alarms. Hushing of smoke alarms in alarm state  can only be done remotely if the alarm that has triggered the event is the alarm with the 755RB base , If this is not the case then the alarms must be hushed manually from whichever 755 unit has caused the alarm initially.
This is to ensure that alarms are not Hushed remotely without full inspection of areas containing all interconnected smoke alarms which may be sounding due to a genuine issue but not seen from the remote location .
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