Model FS17X
™
Fire and Flame Detector
INSTALLATION GUIDE and OPERATING MANUAL
Fire Sentry Corporation
Document No. 6178-007 - Rev. F
© Copyright 2012
All Rights Reserved
Page 7
Detector Connections (
continued
)
The The FS17X-R Detector has fourteen (14) connections available. These connections are:
Color Code
Description
Red
24 VDC (+) Supply
Black
24 VDC (-) Return
Green
FireBusII RS-485 Digital Data A Signal
White
FireBusII RS-485 Digital Data B Signal
Gray
Fault Relay Terminal A, Contact to B during Normal Operation
Purple
Fault Relay Terminal B, Contact to A during Normal Operation
Brown
Fire ALARM Relay Terminal A
Blue
Fire ALARM Relay Terminal B
Brown / White
Fire ALARM Relay Terminal A loop-through
Blue / White
Fire ALARM Relay Terminal B loop-through
Yellow
Fire ALERT Relay Terminal A
Orange
Fire ALERT Relay Terminal B
Yellow / Black
Fire ALERT Relay Terminal A loop-through
Orange / Black
Fire ALERT Relay Terminal B loop-through
1. Make sure that the external 24 Vdc electrical power is turned
U
OFF
U
before connecting the Detector.
2. Avoid wire splices. However, if wire splices are required, all splices should be soldered and properly
insulated. The use of good wiring practices will simplify installation, improve reliability and facilitate
maintenance.
CAUTION:
Follow static protection procedures while handling the connectors and the
wiring of the FS17X Detector. Use a wrist strap connected to earth ground.
