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Control Panel Installation
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
151450
4-23
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