23
Part No. 6-847684-00 Rev. D01
MASTER ALARM PANEL #1
MASTER ALARM PANEL #2
MAIN LINE
MAIN LINE
O2 Secondary
Supply
O2 Reserve
In Use
O2 Reserve
Low
O2 Secondary
Supply
O2 Reserve
In Use
O2 Reserve
Low
Oxygen
Sensor
Module
Digital Display Module
pin 5 (+)
pin 6 (-)
Connected to main
oxygen pipeline
Oxygen
Sensor
Module
Digital Display Module
Multi-Signal Module
Multi-Signal Module
pin 6 (com)
pin 5 (+)
pin 6 (-)
pin 1 (+)
Connected to main
oxygen pipeline
Secondary Supply -
from liquid O2 manifold
Com
Com
Com
pin 6 (com)
pin 1 (+)
Reserve In Use -
from liquid O2 system
Reserve Low -
from liquid O2 HP back-up
NOTE:
Switch contacts must be dry,
normally-closed type. Alarm
activates when contacts open.
Example 2: Two master alarm panels with digital displays -
liquid manifold/high-pressure reserve (oxygen shown).
Typical Master/Area Alarm Wiring Examples