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Radio flooding HA/HB/L4619 detector Description Front view This device generates an alarm signal when the contacts of the corresponding sensor make contact with water. The signal is then processed by the alarm central unit, which activates the siren and the Telephone communicator (if installed), for sending a telephone message.
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Radio flooding HA/HB/L4619 detector Configuration The device requires allocation of the zone it belongs to, the progressive number of the sensors within the same zone, and the setting of the detection mode, as well as the possible allocation of an auxiliary prealarm channel.
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