(Model K) Page 111
17.15 Soak Test
After a complete calibration the ventilator should be soaked tested for 50 hours to
ensure normal operation.
Connect gas to the ventilator. The soak test can be carried out with air connected
to the oxygen inlet but a dummy 100% O
2
cell will need to be fitted. (This device is
available from SLE on request, part number: L0291).
Connect a standard patient circuit with test lung.
Carry out a 100% oxygen calibration (One point) with the dummy 100% O
2
cell.
Set the ventilator to CMV mode
Set BPM to 100
PIP to 50
PEEP to 10
Insp Time to 0.35 sec.
FiO
2
set to 96%
Run for a minimum of 50 hours.
After 50 hours of CMV soak,
Check the PIP pressure is unchanged.
Acceptable tolerance: ±1mbar.
Check the PEEP is unchanged
Acceptable tolerance: ±1mbar.
17.16 Battery Charge Verification
Check that the battery has fully charged by checking the battery connector
voltage is at least 13.7V when the unit is powered from the mains.
Acceptable tolerance: >13.7V
Check list Item 15.
Warning: Re-charge the ventilator batteries for a minimum of 24 hours after
this test.
17.17 Total Power Fail Alarm Test
Turn the ventilator OFF (depress the mains switch for 2 seconds. A continuous
loud alarm should sound. Press the power mains power switch again to cancel.
Check list Item 16.
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