Siemens Cerberus CS1140 - Important Components

K5L020 Dual sector extinguishing p.c.b
160
Building Technologies 001260_k_en_--.doc
Fire Safety & Security Products 02.2005
38.3 Important components
1
20
1
LED5
F1
F2
K1
R92
LED4
LED2
R91
LED3
LED1
2
3
4
5
6
min.26mm
Legend:
1 LEDs
LED 5 green on = normal operation
LED 1/2 red on = 'extinguishing actuating element' control line activated
on = short circuit on 'extinguishing actuating element' control line
LED3/4 yellow
flashing =
open line or blown / missing fuse for 'extinguishing actuating
element' control line
2 Potentiometer "R91/92": Calibration of short circuit monitoring of 'extinguish-
ing actuating element' control line
3 Plug-in terminal "K1": Relay collective fault signal
4 Fuse "F1" 2 A/T: control line 1
Fuse "F2" 2 A/T: control line 2
5 Use Z1K030: to adhere the terminal numbering
6 For use in the CS1140, the enclosed card holder can not be used.
38.4 Adjust control line
Precondition
Valves are connected correctly. Valve pyrotechnic actuators must be switched all
in series (≥15 Ω)
Procedure
Turn the corresponding potentiometer R91 or R92 anti-clockwise until LED3 or
LED4 (yellow) lights up.
Turn the potentiometer back (clockwise) until the yellow LED is extinguished.