Alarm Silence Test; Vcv Adult Ventilation Mode Test - Mindray A5 Service Manual

3.10.4 Alarm Silence Test

1. While the APNEA alarm is sounding, press the Silence soft key.
2. Verify the audio portion of the alarm stops and resumes after 2 minutes.

3.10.5 VCV Adult Ventilation Mode Test

1. Attach a breathing circuit and breathing bag.
NOTE: For testing purposes always use a reusable breathing circuit.
2. Attach an adult test lung to the Y-fitting of the breathing circuit.
3. Attach a Vent Tester between the EXP port and the expiratory hose.
4. Set the O2 flow to 2 L/min and set the N2O and AIR flow rates to minimum flow.
5. Set the mechanical Auto/Manual switch to AUTO.
6. Set the ventilator controls to:
Ventilator Controls
Patient Type
Ventilation Mode
Vt
Rate
I:E
Tpause
PEEP
Plimit
7. Press Set Mode button to begin ventilation.
8. Verify that the pressure waveform, Tidal Volume, Mean or Plateau Pressure, Resp. rate
and minute volume values appear on the screen.
9. Verify the Tidal Volume display on the Vent Tester is within 7% (±42 mL) of the set value
within approximately 1 minute from the start of ventilation.
10. Verify the Tidal Volume display is within 9% (±54 mL) of the set value within
approximately 1 minute from the start of ventilation.
11. Verify the measured O2 concentration is at least 97% after 5 minutes.
12. Set the AIR flow to 3 L/min and set the N2O and O2 flow rates to minimum flow.
13. Verify the measured O2 concentration is 21% ±3% vol. % after 5 minutes.
Ventilator Settings
Adult
VCV
600
8
1:2
10
Off
50
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