BeaconMedaes MEGA 2 Installation, Operation And Maintenance Instructions page 24

Typical Master/Area Alarm Wiring Examples
Oxygen
Sensor
Module
Connected to main
oxygen pipeline
Com
Main Tank Liquid Low -
from main bulk tank
Com
Reserve In Use -
from bulk O2 system
Com
Res. Tank Liquid Low -
from main bulk tank
Com
Res. Tank Pressure Low -
from reserve bulk tank
NOTE:
Switch contacts must be dry,
normally-closed type. Alarm
activates when contacts open.
Oxygen
Sensor
Module
Connected to main
oxygen pipeline
24
Part No. 6-847684-00 Rev. D01
MASTER ALARM PANEL #1
pin 6 (-) pin 5 (+)
Digital Display Module
pin 1
Multi-Signal Module
pin 1
Multi-Signal Module
pin 6 (-)
pin 5 (+)
Digital Display Module
MASTER ALARM PANEL #2
Example 3: Two master alarm panels with digital displays -
liquid bulk/liquid reserve (oxygen shown).
MAIN LINE
O2 Main Tank
Liquid Low
O2 Reserve
In Use
O2 Reserve
Liquid Low
O2 Reserve Tank
Pressure Low
O2 Main Tank
Liquid Level Low
O2 Reserve
In Use
O2 Reserve
Liquid Level Low
O2 Reserve Tank
Pressure Low
MAIN LINE