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Chapter 4
Periodic Maintenance
4.2 Cleaning the
Reusable Air Inlet
Filter
4.3 Replacing Air
Inlet Filter(s)
4-2
Follow these steps to clean the reusable air inlet filter (Figure 4-1):
1. Open the filter door and remove the filter. Inspect for damage or
debris.
2. Wash the filter using one of these solutions, then rinse thoroughly:
®
•
Palmolive
or Dawn
•
White distilled vinegar (5% acidicy)
•
Isopropyl alcohol (99.9%)
•
Hydrogen peroxide (3%)
®
•
Clorox Ultra
•
Sodium hypochloride (6%)
3. Allow the filter to dry completely before reinstalling.
Reusable air
inlet filter
(gray)
Figure 4-1: Reusable Air Inlet Filter
WARNING:
Failure to replace a dirty filter may cause the device to operate at higher than
normal temperatures and damage the device.
CAUTION:
Use only Respironics-approved filters.
CAUTION:
The gray reusable air inlet filter must be completely dry before use. Never
place a wet filter into the device.
The ventilator is designed to accommodate 1 reusable (gray) filter and 1
disposable (white) filter at one time. The disposable filter is optional but
recommended for ultra-fine particulate filtration.
CAUTION:
Replace the reusable air inlet filter every year or if damage is visible.
Install only 1 reusable filter.
CAUTION:
Replace the disposable air inlet filter if debris or damage is visible. Do not
attempt to clean or reuse.
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
®
dishwashing detergent
Bleach
Filter door
REF 1029568 Rev B
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