K5L020 Dual sector extinguishing p.c.b
162
Building Technologies
001260_k_en_--.doc
Fire Safety & Security Products
02.2005
38.6 Application
example
The K5L020 monitoring card is used to monitor valves for a spare battery of cylin-
ders. Upon open line or short circuit on one of the valve lines, an extinguishing
control fault is signaled. The spare extinguishing agent battery of cylinders can be
connected to the extinguishing control device by means of a key and a slave relay.
At the same time the active extinguishing agent battery of cylinders is connected to
the K5L020.
Extinguishing
activating device
K5L020
Output
Supply 24V
19
20
15
16
Control
Peripheral valve
Pilot valve
Spare extinguishing
agent battery of cylinders
Pilot valve
Active extinguishing
agent battery of cylinders
17
18
Control
Peripheral valve
Peripheral valve
Spare extinguishing
agent battery of cylinders
Peripheral valve
Active extinguishing
agent battery of cylinders
Line 1
Line 2
Slave relay
1K1
2K1
3K1
Input fault
Spare battery of
cylinders
Illuminated push-button or
push button with key switch
for manual switch over
+
+
-
+
-
+
-
+
-
-