Relay 3 functions as an Alarm relay and monitors the condition of the communication link between #
the Central and Remote units. Relay 3 is activated when power is applied and the communication link between
the Central and Remote is functioning. Relay 3 will become deactivated (Alarm condition)#
when either the Relay 3 input on the remote is active OR the Remote unit is unable to communicate with the
Central unit. See APP NOTE FOR DETAILS
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