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Appendix C: NFPA Standard-Specific Requirements Local Energy Municipal Box
48
PDRP-1001 Instruction Manual PN 50734:D0 04/06/01
Local Energy Municipal Box
Using the 4XTM Transmitter Module for connection to a Local Energy Municipal Box.
• The Municipal Box circuit supervises for ground faults and opens (i.e. missing wire) but not for
direct short between two wires. It is not a power-limited circuit.
• This application is not suitable for separate transmission of sprinkler supervisory or trouble
conditions.
• Maximum loop resistance allowed for wiring from control panel to Municipal Box is 3 ohms.
Figure 26 Municipal Box Connection
TB1
TBL
J1
J2
FIRE
+
–
Local Energy
Municipal Box
Municipal Box Circuit
4XTM Transmitter Module
(activated polarities shown)
MS44-4xtmfmb.cdr