System Sensor PDRP-1001 User Manual

Appendix C: NFPA Standard-Specific Requirements

Local Energy Municipal Box

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

FIRE

–

Local Energy

Municipal Box

Municipal Box Circuit

4XTM Transmitter Module
(activated polarities shown)

-4

xtm