POINT TYPE FLAME DETECTOR "ALMAZ"
Page 17 of 27
APPENDIX B
FD connection contacts
Figure B.1 Bottom PCB of FD Unit
“+” (12 V)
“-“
“-“
“+” (12 V)
NS
NO
NO
1 2 3 4
5 6
7 8
9 10
RELAY OUTPUTS
NO – normally open
NS – normally shorted
Pins 7, 9 connected in parallel
Pins 8, 10 connected in parallel
POWER SUPPLY
Pins 1, 3 connected in parallel
Pins 2, 4 connected in parallel
POINT TYPE FLAME DETECTOR "ALMAZ"
Page 18 of 27
APPENDIX C
Example circuit connection of FD "Almaz" to
two-wire fire alarm system
Рисунок
С
.1
Figure C.1
NOTES:
1. FD base pin assignment:
pin 1 - "-" wire connection;
pin 2 - "+" wire connection;
pin 3 - "-" wire connection;
pin 4 - "+" wire connection;
2. R
OK
- the end element of the alarm system loop, which type and rate are determined by
the specific alarm control unit. Usually R
OK
is installed into the last FD base.
