Crowcon Vortex - Diagram 4 B

Vortex Manual Appendix F
Issue 7 December 2009 79
APPENDICES
Diagram 4B
Fire detector connection to Vortex via a zener barrier.
Connection to Vortex chassis
by cable gland
Sensors
example: Apollo
Series 60
3
4
1
2
Zener barrier
Earth
bar
IS
Earth
L1
IN
L1
OUT
L2
L1
IN
L1
OUT
L2
Quad
Channel
Input
Module
Vortex
3
2
example: MTL 728
HAZARDOUS AREA
SAFE AREA