A7™ Service Manual 046-006272-00 2 - 33
Installation Guide Functional Tests
2.3.6.2 O2:N2O Ratio Test Under EFCS
1. Connect a breathing hose from the ACGO port to the flow analyzer.
2. Connect a breathing hose from the flow analyzer output to the scavenger.
3. Attach a adapter to the flow analyzer to connect the sampling line from the AG module.
FIGURE 2-46
4. Touch the screen to start the manual ventilation mode and set the ACGO button to ON. Set the
Fresh Gas Control to Total Flow Mode.
5. Set the O2 concentration to each of the set points in the table below and set the N2O as
balance gas, then verify the oxygen concentration at each step.
2.3.6.3 Vaporizer Leak Test
1. Set the ventilation Auto/Manual ventilation switch to Manual.
2. Set the APL valve to the SP position.
3. Connect one end of the breathing circuit to the bag arm, one end to the inspiratory port and
the Y-piece to the test port:
Test Method Verification
Set the O2 Concentration to 26%.
Set the total flow to 1L/min.
Verify O2 concentration is between 24.7% and 27.3%.
Set the O2 Concentration to 100%.
Set the total flow to 1L/min
Verify O2 concentration is 95% or greater
Set the O2 Concentration to 26%.
Set the total flow to 5L/min
Verify O2 concentration is between 24.7% and 27.3%
Set the O2 Concentration to 100%.
Set the total flow to 5L/min
Verify O2 concentration is 95% or greater
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