Oxygen Ratio Control (ORC)
1
Slowly close O
2
delivery valve –
– check:
the N
2
O flow decreases to less than 0.8 L/min
proportionally with the O
2
flow for ORC low-flow,
the N
2
O flow decreases to »
O
« proportionally with
the O
2
flow for S-ORC.
2
Switch over to »
AIR
«.
N
2
O flow decreases to »
O
«.
●
Close N
2
O and AIR delivery valve.
O
2
flush
3
Press button
»O
2
+
«
–
– Is there a distinctly audible flow noise?
– Does the manual ventilation bag inflate?
✔
Check and tick off!
Secretion aspirator (optional)
4
Open ejector valve –
5
Seal the
aspiration holes
on aspirator hose with your
finger (or fold over the hose).
Negative pressure indicated approx. – 0.8 bar?
✔
Check and tick off!
●
Close ejector valve.
Secretion aspirator may only be used in
»MAN/SPONT« mode or with disconnected
Y-piece.
25
Preparing for use
Checking readiness for operation with checklist
Oxygen Ratio Control (ORC)
O
2
Flush, Secretion aspirator
D
GA
S
5
4
2
1
3
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00937224
01037224