Hygienic preparation
25
5. Hygienic preparation
5.1 Intervals
Check the filters at regular intervals and wipe the housing and filter compartment lid.
Head gear (hood and straps) can also be washed if required. Please also observe
the following intervals:
Interval
Activity
Daily
– Clean hose system (see "5.2 Cleaning" on page 26)
In accordance with the relevant Operating Instructions:
– Clean nasal mask
– Clean bacteria filter
– Clean exhalation system
after each use
– Clean humidifier VENTI
click
Every 24
operating hours
– Change the particle filter in the bacteria filter
Weekly
– The nasal mask should be cleaned thoroughly in accordance
with the Operating Instructions.
– Clean the coarse dust filter
Every 1000
operating hours
– Change the fine filter (Filter Change display
). Sooner if
contaminated
Every 6 months
– Change the coarse dust filter. Sooner if contaminated or worn
– Change the pressure measurement hose – sooner if
contaminated – (see "8.3 Change the pressure measurement
hose" on page 41).
Annually
– Change the hose system.
Summary of Contents for BiLevel ST 22
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