GE Datex-Ohmeda Aisys Carestation Reference Manual page 208

Aisys
Test 13
7-26
Testing the negative pressure relief valve
1. Separate the Bellows Module from the Circuit Module.
2. Remove the Bellows Interface Manifold.
3. Insert test plug (recessed end) into the rear Bag/Vent switch port as shown.
Plug
4. Install the Bellows Module.
5. Connect the Machine Test Tool to the interface ports and the Bellows Module as
shown above.
6. Set the Bag/Vent Switch to Vent.
7. Set O Flow to 0.2 l/min.
2
• Ensure that the Airway Pressure rises to ≥ 30 cm H
8. Set O Flow to 0.00 l/min.
2
O.
2
04/08 M1046983