4
System tests
System test circuit set-up:
NOxFlow arrow points in
direction of ow. 1m vent
tubing between sample
point and NOxFlow.
Re-open NO cylinder.
Connect O
2
supply to
NOxFlow
TM
inlet. Set O
2
ow
to 10 L/min. Press “Next” on
system screen to run test.
System test takes approx.
5 minutes to run. This purges
NO2 and ensures correct
NOxBOX
i
operation.
System test passed. Stop O
2
ow and disconnect from
NOxow. Ready to connect
to patient.
System test failed. Check:
NOxFlow orientation; O
2
ow at 10 L/min, NO cylinder
connected and valve open.
Re-run test.
Put unit in stand-by mode
by setting dose to zero and
disconnecting supply hoses,
otherwise the unit may time
out and may require you to
repeat step 3.
Connect to patient circuit.
Enter dose and check alarm
levels before commencing
treatment.
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