GE Datex-Ohmeda Aisys Carestation Reference Manual page 73

Key to Numbered
Components
Key to Symbols
M1046983 04/08
Refer to Figure 2-29.
1. Pipeline inlet
2. Pipeline pressure transducer
3. High-pressure relief valve (758 kPa / 110 psi)*
4. Supply connections for the ventilator and pilot pressure for SCGO
a. O drive gas
2
b. Air drive gas
5. Venturi suction supply connection
a. O drive gas
2
b. Air drive gas
6. Cylinder inlet
7. Cylinder pressure transducer
8. Primary regulator (cylinder pressure)
9. Test port (primary regulator)
10. System switch
11. Selector valve
a = O ; b = Air; c = N
2 2
12. Flow controller
a = O ; b = balance gas
2
13. Alternate O disable valve
2
14. Hot-wire anemometer
a = O flow sensor channel; b = balance gas flow sensor channel
2
15. Mixed gas
16. Backpressure regulator
17. Low-pressure relief valve (38 kPa / 5.5 psi)*
18. O flush and auxiliary flowmeter regulator (241 kPa / 35 psi)*
2
19. O Flush valve
2
20. Pressure switch (used with the ventilator)
21. Breathing system pressure relief valve (SCGO only — 150 cmH
22. To Port 3 of ABS interface (circle)
23. For SCGO, to Port 2 of ABS interface (non-circle Inspiratory port)
For ACGO, to external 22-mm ACGO connector
24. Auxiliary O flowmeter (optional)
2
* Approximate values
Pneumatic Connection
Filter
Direction of Flow
Check Valve
O
2 Theory of Operation
O)*
2
2-41