Change Drive Gas - Datex-Ohmeda S/5 Avance Technical Reference Manual

9.24 Change drive gas

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CAUTION
Note:
1009-0357-000 11/03
If you change the drive gas, you must also change the drive gas selection on the
ventilator service setup screen. Refer to Section 4 of the ventilator Technical
Reference manual.
• If the drive gas selection and the actual drive gas do not agree, volumes will
not be correct.
The ventilator will alarm with the message "Low Drive Gas Press" if the selected
drive gas pressure, either O
1. Remove the rear panel (Section 9.2).
The O and Air pipeline manifolds have a drive gas connection at the back. The
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connection not in use is plugged.
2. Remove the plug from the new connection.
3. Disconnect the drive gas hose from the present connection.
4. Install the plug in this connection (pull on the plug to ensure that it is locked into the
fitting).
5. Reroute the drive gas hose so that it does not cause kinks in other tubing.
6. Connect the drive gas hose to the new connection (pull on the hose connector to
ensure that it is locked into the fitting).
7. Do a high-pressure leak test (Section 3.5).
8. Enter the service mode and select the correct drive gas.
9. Test the primary regulator. Verify that it functions within specifications now that it will
be supplying drive gas to the ventilator (Section 5.1).
10. Perform the checkout procedure (Section 3).
or Air, is lost.
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9 Repair Procedures
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