4.6 APL Valve Test
1. Set the system switch to the position.
2. Ensure that the bag/Vent switch is set to bag
position.
3. Check that the breathing bag and breathing tubes are correctly connected.
4. Connect the Y-piece to the test plug on the breathing system.
5. Adjust APL valve limited pressure.
6. Push and hold the O
2
flush button until system stabilizes (not to exceed 45 cmH
2
O).
7. Release the O
2
flush button and verify that pressure does not fall below 15 cmH
2
O.
4.7 Alarm test
a) The alarm lamp flashes yellow and red once in turn and an audible beep sounds.
b) The start-up screen is displayed, followed by the standby screen after approximately 15
seconds.
c) Audio and visual alarm indicators are triggered.
4.7.1 Prepare for Alarm Test
1. Connect a test lung or manual bag to the Y-piece patient connector.
2. Set the bag/vent switch to vent.
3. Set the system switch to ON.
4. Set the system to standby mode.
5. Set the ventilator control setting to the follows:
◼
Ventilation Mode: Select ventilation mode [VCV].
◼
Tidal volume [VT]: 500mL.
◼
Respiratory rate [Freq]: 15BPM.
◼
Breathing ratio [I: E]: 1:2
◼
PEEP: OFF
6. Push the O
2
flush button to fill the bellows.
7. Set the flowmeter to 0.5-1L/min.
8. Press the standby key to exit to standby mode.
9. Check that the ventilator displays the correct data, and that the bellows inflates and deflates
normally during mechanical ventilation.
4.7.2 Minute Volume(MV) Low Alarm Test
1. Set the MVlow alarm limit to 10.0 L.