ACUTRONIC fabian +nCPAP evolution - Page 134

126 19 Technical specifications
fabian +nCPAP evolution | SW V5.1.x
Ref: 122003.EN / Date : 26Jan2021
Figure 19-1: Internal Gas Blending function of the fabian +nCPAP evolution
Proportional Gas Blending Assembly
Ventilator Manifold
Air 2.0 to 6.0 bar
Oxygen 2.0 to 6.0 bar
Pressure Regulator
Proportional Valve
connection
Calibration Valve
Calibrated Gas tube to O
2
Sensor
Pressure Sensor
Proportional valve
Filter
O
2
Sensor Block
O
2
Sensor
O
2
Measurement Inlet
Patient Gas Outlet
Blended Gas Outlet
Pneumatic Pressure Relief
Valve
Internal Flow Sensor
Proportional Gas Blending
Block
Proportional Gas Blending
PCB
Manifold Block
Manifold PCB
Manifold PCB Cover
Blended Gas Tube ⁄ Purge flow
Electromagnetic & Pneumatic
Valves
Inspiration Port
Forced Gas Port / Patient Gas
Proximal Pressure Port /
Blended Patient Gas
Expiration Port
The minimum Base Flow is 4 L/min in all modes except in O
2
Therapy.
Time till O
2
change is reached within Altera circuit set:
• up to 37 sec with default flow rate
• up to 75 sec with minimum flow rate
For more information, refer to the Technical Service Manual.