2 nfpa 72 polarity reversal, 2 nfpa 72 polarity reversal -21 – Fire-Lite MS-25E Addressable Fire Control Panel User Manual

Page 51

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Control Panel Installation

53688

4-21

4.11.2 NFPA 72 Polarity Reversal

4.11.2.1 Alarm, Supervisory and Trouble Reverse Polarity Outputs

Three HFS-MR or CRF-300 modules are required to independently report alarm, supervisory
and trouble. SLC addresses 141, 143, and 147 must be used as shown in Figure 4-14.

Figure 4-14 Reverse Polarity output wiring

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This manual is related to the following products:

MS-25C Addressable Fire Control Panel, MS-25 Addressable Fire Control Panel

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