66 6820 / 6820EVS Manual P/N LS10144-001SK-E:C 09/28/2017
4. Program the output group characteristics as non-silenceable and reverse polarity..
Figure 4.58 Polarity Reversal Connection Using the 7644-L8
4.18.5 Transmitter Activated by Dry Contacts
This section describes the connection of a UL 864 listed remote station transmitter to the 6820/6820EVS FACP dry contacts. The FACP
contacts must be supervised by the remote station transmitter module using end-of-line resistors (ELRs) with a value determined by the
transmitter manufacturer. Power is also provided by the remote station transmitter manufacturer. Refer to the remote station transmitter
manufacturer’s manual for details.
Figure 4.59 Transmitter Activated by Dry Contacts
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