Initial Inspection - DeVilbiss Healthcare 525 Serie Guide D'instructions

SERVICE AND MAINTENANCE GUIDANCE
Service and maintenance should only be performed by appropriately trained and authorized Drive DeVilbiss personnel and/or service centers
Oxygen Purity
Model Verifcation
525 Series Every 3-years or
between patient
uses, whichever
comes rst
* Some models o 525 series concentrator do not require a gross particle lter. This inormation is noted in the user manual.
** Sieve bed, compressor cup seal, compressor lter and nal HEPA lter service should only be perormed by appropriately trained and certied Drive DeVilbiss service centers.
NOTE – This is a suggested maintenance and service schedule or home oxygen providers. Individual maintenance requirements may vary based upon local operating
conditions, regulations, or other circumstances.

Initial Inspection

1 Upon receiving, examine the unit for external damage If the unit appears to have external damage, please contact DeVilbiss for assistance
2. Check to be sure the cabinet air lter (i applicable) and the intake lter are in place.
3 Plug the unit into an electrical outlet, turn the unit "ON" and check the audible/visual alarms When the unit is turned ON, as part of the normal start-up process, all three
lights (Service Required, Low Oxygen and Normal Oxygen) on the ront panel should illuminate and the audible alarm should sound. I the ANY o the lights on the ront
panel DO NOT illuminate or the audible alarm DOES NOT sound, this indicates the alert system is not functioning properly Refer to the Troubleshooting chart on page
10 or contact DeVilbiss for assistance
4. Set the fow meter at the maximum recommended fow rate and allow the unit to run or 20 minutes. The internal oxygen sensor monitors the oxygen purity. I the oxygen
is within specication, the Green Normal Oxygen light will be illuminated If the Yellow Low Oxygen light is illuminated, refer to the Service Manual or contact DeVilbiss
for assistance
5 With unit still running, unplug to test the power fail alarm If the power fail alarm does not provide an audible alert, refer to the Service Manual or contact DeVilbiss for
assistance
Oxygen Provider Preventive Maintenance Guidance
NOTE – Scheduled maintenance should be perormed in accordance with the Preventive Maintenance/Service Guide table above or Between Patient Uses.
1. Discard all oxygen tubing, cannula/mask, oxygen outlet connector and humidier bottle.
2. Replace cabinet air lter (when applicable) and ollow the Cleaning and Disinection Instructions in the IFU.
3. Clean the concentrator cabinet and inspect/replace lters in accordance with the table above.
4 Inspect all plugs, cords, and components Replace any damaged or worn components
5. Check oxygen concentration with a calibrated oxygen analyzer and record the oxygen percentage. I the concentration is not within specication, reer to troubleshooting
section of the IFU or the Service Manual
6 Record the unit hours of use
7 Verify Audible Alert and Indicator Lights at each service at startup and while operating
8 With unit still running, unplug to test the power fail alarm If the power fail alarm does not provide an audible alert, refer to the Service Manual or contact DeVilbiss for
assistance
EN - 14
DeVilbiss Oxygen Concentrator Preventive Maintenance/Service Guide
Intake HEPA Internal
Filter Compressor Filter
Inspect Inspect in
between patient conjunction with
uses Replace if compressor
needed service Replace
if needed
Final HEPA
Filter ** Cabinet Filter *
Inspect in *For models with
conjunction with a cabinet gross
compressor particle lter,
service Replace wash with each
if needed inspection
Replace if needed
Sieve Beds ** Compressor Cup Seals **
When indicated by device When indicated by device
performance below performance below
specication or oxygen specication or oxygen
purity, operating pressures purity, operating pressures
and/or other indications of and/or other indications of
component wear component wear
A-525DS