Prima 320 Advance
36
User Manual
Installation and Pre-Use Checks
5.11.5 Continuous high pressure alarm test
1. Connect the manual bag.
2. Set the flowmeter to minimum.
3. Set the APL valve to 30 cmH2O position.
4. Set the bag/Vent switch to bag.
5. Press and hold the O2 flush button to fill bag until the
reading on the airway pressure gauge is approximately 30
cmH2O.
6. After 15 seconds, check that a continuous high pressure
alarm is triggered.
5.11.6 Low pressure alarm test
1. Set the bag/Vent switch to vent.
2. Set the Paw low alarm limit to 5 cmH2O.
3. Disconnect the test lung from the Y-piece patient
connection.
4. Check that a low pressure alarm triggered.
5. Connect the test lung to the Y-piece port.
6. Make sure the low Paw alarm is cancelled.
5.11.7 Oxygen concentration monitoring and alarm test
CAUTION
This test is required if the O2 sensor (1) is fitted to the
absorber.
1. Use the standby key to enter standby mode.
2. Calibrate the O2 cell as follows:
a) Press the SYSTEM button
b) Press the CALIBRATION tab
c) Press the O2 CELL CALIBRATION button
d) Press the 100% button
e) Follow the on-screen instructions.
3. Set the FiO2 low alarm limit to 45%.
4. Use the standby key to enter operational mode.
5. Set O2 Flowmeter control to 2.0 L/min.
6. Set N2O flowmeter control to 5 L/Min
7. Make sure that after a short period of time, a FiO2 LOW
alarm is triggered.
8. Set the FiO2 low alarm limit 18%. Check that the alarm is
cancelled.
9. Set the FiO2 high alarm limit to 25%.
10. Check that a FiO2 HIGH alarm is triggered.
11. Set the FiO2 high alarm limit to OFF and check that the
alarm is cancelled.
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