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Page 6
Power supply
230 VAC
C
N C
NO
C N C
NO
C
N C
NO
PH N 4 5 6 7 8 9 10
Fault 1°Threshold Main Alarm
Connection of probes and eventual battery
Diagram of the terminal block relay
12 V
+
+
Optional
3 2 1
Probe 1
1 2 3 4 5
R1
Electrical Connections
WARNING.
Before connecting to the mains power, ensure the voltage is correct.
Carefully follow the instructions and the connections according to Regulations in force, keeping in mind
that the signal cables should be laid separate from the power cables.
An automatic cut-off switch (appropriately identified as devicesectioning of the detector) should be
incorporated in the electrical system, adequatelylocated and easily accessible.
BX180
Pre
Ala rm
Ma in
Ala rm
Fau lt
Zone 1
8 13 20 %LEL
Over Load
Battery Probe
Power Battery
CO GAS
RESET TEST
120 200 300 ppm
Summary of Contents for BX180
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