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2 nfpa 72 polarity reversal – SilentKnight 5600 User Manual

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Model 5600 Installation and Operation Manual

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4.11.2 NFPA 72 Polarity Reversal

4.11.2.1 Alarm, Supervisory and Trouble Reverse Polarity Outputs

Three HFS-MR or SK-Relay modules are required to independently report alarm,
supervisory and trouble. SLC addresses 141, 143, and 147 must be used as shown
in Figure 4-18.

Figure 4-18 Reverse Polarity output wiring