Vyaire VELA, Service Manual

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1-2
Chapter 1: Introduction
33373-001 Version A
1.3 Recommended Maintenance Schedules
1.3.1 Schedules
Every 500 hours, the fan and ambient air filters should be cleaned and replaced if necessary.
Every year, the following preventive maintenance procedure should be performed (see chapter 4
for instructions). This procedure includes:

Install PM kit P/N 11416

Replace the 40 psi Regulator and the Blender Screws

Replace the Internal Oxygen Sensor, P/N 27750-001 (Analytical Industries) or 27751-001
(Maxtec)

Perform verification procedures described in Chapter 4

Calibration of the transducers & solenoids if necessary.
Every two years , internal batteries P/N 16048, includes the battery tray should be replaced along
with the annual PM parts and procedures.
Maintenance on the VELA should only be carried out by a Vyaire trained and authorized service
technician. Vyaire will make available to qualified technicians, service manuals and such items as
circuit diagrams, component parts lists, calibration instructions and other information to assist in
repair of those parts of the ventilator designated by the manufacturer as repairable items.
The drawings, diagrams and schematics included in this manual are for reference only and may be
updated separately from this manual after publication. For current revisions of all documentation,
contact Vyaire, Technical Support at the numbers provided in Appendix A.