S/5 Aespire
4-8
1009-0307-000
• Nitrous oxide (N
2
O), if available, flows through the system
during this test. Use a safe and approved procedure to collect
and remove it.
• Incorrect gas mixtures can cause patient injury. If the Link
system does not supply O
2
and N
2
O in the correct proportions,
do not use the system.
• The following procedure will test for any significant
malfunction of the Link system but it will not confirm proper
calibration. Periodic calibration procedures using an accurate
and properly calibrated O
2
monitor must be performed as
recommended in the User Reference Manual, Part 2, section
3 User Maintenance.
To do the flow control tests:
1. Connect the pipeline supplies or slowly open the cylinder valves.
2. Turn all flow controls fully clockwise (minimum flow).
3. Set the system switch to On.
4. Do not use the system if low
battery or other ventilator
failure alarms occur.
5. Make sure the O
2
flowtube shows approximately .025 to .075 L/min.
(.200 L/min. for single-tube variants). The other flowtubes must show no
gas flow.
•
Steps 6 and 7 are only for systems with
N
2
O.
w
w
w
w
WARNING
Keep the Link system engaged during steps 6 and 7:
• Adjust only the test control (N
2
O in step 6 and O
2
in
step 7).
• Test the flows in sequence (N
2
O then O
2
).
• If you adjust the test control too far, set the flow controls to
their most recent positions and do the step again.
6. Test the Link system with flow increasing:
•
Turn the N
2
O and O
2
flow controls fully clockwise (minimum flow).
•
Slowly turn the N
2
O flow control counterclockwise.
