Chapter 8
8-24
V60 Ventilator Service Manual
1049766 Rev A
Performance Verification
8.5.5
Air Delivery/Flow Accuracy (Test 5)
The air delivery flow accuracy test verifies the accuracy of the air flow sensor
and function of the blower.
Required equipment (air delivery):
•
Coupling, straight, silicone
•
Ball valve
•
22-mm connector
•
Pressure pick-off port
•
18-in. smooth-bore tubing
•
Proximal pressure line assembly
•
Certifier FA Plus analyzer
1. If the ventilator is not already in diagnostic mode, press and hold the
nav-ring Enter button and turn the ventilator on by pressing the
On/
Shutdown
button on the user interface. Within 5 seconds release and
press the nav-ring
Enter
button again to enter the Diagnostics Menu.
2. Touch
Service
, then
Pneumatics
.
3. Disconnect the oxygen source to the ventilator.
4. Plug the internal exhalation port orifice (Figure 8-14).
5. Connect a ball valve and pneumatic calibration analyzer to the
ventilator, set analyzer gas source to
Air
and select
STP
mode (Figure
8-17).
Figure 8-17: Air Delivery Test Configuration
6. Set the analyzer's flow range to measure at least 100
cmH
2
O
and
230 SLPM.