Vyaire VELA, Service Manual

Page: 50 / 111

Chapter 5: One-Year P.M. Procedure
5-13
33373-001 Version A
Figure 5-21. Notch facing Three Holes on Blender
NOTE
If the regulator is not installed with the notch facing the 3 holes on the blender, the regulator will
not function as intended.
7. Secure the regulator to the blender using the two previously removed Phillips screws.
8. Attach the diffuser tube back onto the flow port on the bottom of the blenders.
9. Using the new blender screws, P/N 53002-56206, secure the blender to the rear panel of the
ventilator.
10. Reach through the back of the base assembly and verify the diffuser tube is still attached to the
blender.
11. Connect J301 to the Blender PCB.
12. Reattach the low pressure inlet fitting, high pressure inlet fitting and the rear inlet filter screen as
per directions in Chapter 3: Disassembly and Reassembly
13. On the Main PCB, locate the dipswitch and switch dipswitch #1 to the ON Position.
14. Reconnect the battery tray Molex connector to the main wiring harness.
15. Connect the power cord to the ventilator and Main AC.
16. Connect Oxygen hose to the high pressure O2 fitting and apply 50 psi.
17. Turn power on to the unit and verify the unit is in SVT Mode.
18. Press the Main Icon in the middle of screen.
19. Press the Solenoid Icon on the drop down screen.
20. Press O2-0, O2-1 and O2-2 icons.
21. Press the Neb Icon on the touch screen. Verify flow is heard coming from the nebulizer port on
the front panel.
22. Attach a piece of oxygen tubing from the nebulizer port on the front of the ventilator and connect
the tubing to a calibrated digital monitor capable of reading psi.
23. Measure the pressure on the digital manometer/meter, it should read 40 psi +/- 1 psi. If
necessary adjust the regulator by turning the bottom dial on the regulator until the correct
pressure is displayed on the meter/manometer.
24. Calibrate the O2 Pressure Transducer as per directions in Chapter 6: Calibration Procedure.
25. Turn Power to off.