BeaconMedaes MEGA 2 Installation, Operation And Maintenance Instructions page 23

Typical Master/Area Alarm Wiring Examples
Oxygen
Sensor
Module
Connected to main
oxygen pipeline
Com
Secondary Supply -
from liquid O2 manifold
Com
Reserve In Use -
from liquid O2 system
Com
Reserve Low -
from liquid O2 HP back-up
NOTE:
Switch contacts must be dry,
normally-closed type. Alarm
activates when contacts open.
Oxygen
Sensor
Module
Connected to main
oxygen pipeline
Example 2: Two master alarm panels with digital displays -
liquid manifold/high-pressure reserve (oxygen shown).
MASTER ALARM PANEL #1
pin 6 (-) pin 5 (+)
Digital Display Module
pin 1 (+)
pin 6 (com)
Multi-Signal Module
pin 1 (+)
pin 6 (com)
Multi-Signal Module
pin 6 (-)
pin 5 (+)
Digital Display Module
MASTER ALARM PANEL #2
Part No. 6-847684-00 Rev. D01
MAIN LINE
O2 Secondary
Supply
O2 Reserve
In Use
O2 Reserve
Low
O2 Secondary
Supply
O2 Reserve
In Use
O2 Reserve
Low
MAIN LINE
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