BEINAT BX180, Manual

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Page 5
Disabling or uninstalling the probes
The switch number 1 is used to enable or disable the connected probe.
This micro-switch is also used to disable the probe in case of failure.
Selection of the type of gas monitored for each probe
The switch number 2 is used to select reading the type of gas that the probe is connected to detect.
The LEL reading is obtained by shifting the switch to ON.
Explosive gas.
The ppm reading is obtained by shifting the switch to OFF . Toxic gas.
Working mode of the relay and the main alarm
Switch 1 – Selection of the intrinsic safety
In the ON position, the intrinsic safety function is enabled.
In the OFF
position, the intrinsic safety function is disabled.
The relay is energized only when the BX180 goes into the mainl alarm
Switch 2 - Working mode of the relay and the main alarm.
In the OFF
(continuous) position, the relay remains closed until the RESET button is pressed.
In the ON (impulse) position, the relay remains closed for 20 seconds, and then disenergizes afterwards.
Zone 1
Micro-switches 1 Positive safety
Micro-switches 2 Working mode of the main
alarm relay
Description of Micro-switches
Zone 1
Micro-switch (1) to enable or disable the probe.
Position ON enabled position OFF disabled
Micro-switch (2) to select the type of gas monitored.
Positione ON reading in LEL - Explosive gas
In posizione OFF lettura in ppm - Toxic gas