3 Components and functions
30 SA-112-0106V1.0-WEM-GB © F. Stephan GmbH
Fig. 22: Overview gas supply
3.3.1 Oxygen supply
The oxygen is conveyed to the double flowmeter through the gas input
fitting. If the input pressure is ≥ 1 bar, the oxygen failure alarm is
automatically activated.
After the ventilator has been switched on, the pressure of the oxygen
input is checked. The corresponding pressure switch is queried by the
sensor board.
If there is no pressure ( <1 bar ), the display shows the question "Is O2
available?".
Confirmation with "NO" deactivates the oxygen failure alarm!
Fig. 23: Display O2 available
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