Honeywell® FS24XPlus™ | User Manual
36
Wiring
FS24XPlus™ must be connected with suitable cabling/conduit for the environment in terms of
temperature, current and protection against damage.
Note: Use appropriate ESD protection when handling electronics. Do not touch sensors or lenses. Fingerprints will inhibit
performance.
Cable/Wiring – Shielded cable with twisted pairs and shield coverage of more than 80% with
minimum pigtail lengths outside of the shield. Specifications as follows:
14 – 24 AWG rated 85°C minimum:
l One 14 – 24 AWG Cu stranded wire (16 AWG recommended); or
l Two 16 - 24 AWG Cu stranded wires
per terminal. Terminal block should be torqued to 5 lb in. (0.56 Nm) on each wire(s).
EMC - To ensure proper EMC protection, coil, and tape the cable shields at the control panel or
power supply. Tie the other end of the shields together and terminate inside the detector enclosure,
ensuring earth ground to the cabinet.
Terminal Blocks - The Flame detector Electro-Optical Detector Module has pluggable terminal
blocks for interfaces (Power Supply, RS-485, Relay, etc.) with retention for easy plug-in replacement
of the product in the field.
NFPA 72 Terminal Blocks - When connecting to a fire panel, compliance with NFPA 72 is obtained
by using the terminal blocks in NFPA 72 Connection Kit p/n FS24XP-NFPA-KIT. Instructions are
provided with the kit and online (see QR code on the back of this appendix).
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