Mindray WATO EX-55Pro, Service Manual

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4-16
4.10.3 O2 Flush Test
4.10.3.1 In Mechanical Ventilation Mode
1. Connect the O2 pipeline supply or cylinder.
2. Set the bag/vent switch to the mechanical ventilation position.
3. Set the system to standby or working status.
4. Plug the patient connection using a test plug.
5. Turn off ACGO (if ACGO is configured).
6. Let the folding bag completely collapse.
7. Press and hold the O2 flush button . Measure the time required for fully inflating
the folding bag.
8. Repeat the operation (opening patient connection to collapse the folding bag) at least
twice.
9. Check that the folding bag is fully inflated within 1 to 3 seconds.
4.10.3.2 In Manual Ventilation Mode
1. Set the bag/vent switch to the bag position.
2. Set the system to standby or working status.
3. Plug the patient connection using a test plug.
4. Connect a 3 L or 1 L bag to the bag arm or manual bag port.
5. Turn off ACGO (if ACGO is configured).
6. Let the bag completely collapse.
7. Turn the APL valve to 75 cmH2O.
8. Press and hold the O2 flush button . Measure the time required for the reading on
the pressure gauge to reach 10 cmH2O.
9. Repeat the operation (open patient connection and press the bag to completely collapse
the bag) at least twice.
10. Check that

The 3 L bag is fully inflated within 3 to 6 seconds.
 The 1 L bag is fully inflated within 1 to 3 seconds.
Reading of auxiliary O2
supply flowmwter
VT-PLUS
2 L/min 1.5~2.5 L/min
10 L/min 9~11 L/min
15 L/min 13.5~16.5 L/min