
EN
10 FreshAir Flow Control
4.5 Checking the lter
Press and hold the right button (+) for more than 1 second. The more yellow
LED diodes come on, the more clogged the lter is.
> 1 s
After releasing the buttons, the LED diodes return to the green light state
indicating the current airow.
5. MAINTENANCE
It is recommended to clean the respiratory system after each use. Also
inspect all parts and replace any which are damaged or worn.
• Always clean the respiratory unit in a ventilated room or outside. Be
aware of harmful dust settled on any parts of the unit.
• Never use ammable cleaning liquids or abrasive cleaners!
• The outer surface of the blower unit can be cleaned with a soft cloth
and mild detergent solution. The unit must be completely dry before
assembling the ller and cover.
• Ensure that no water or detergents enter the blower unit!
• The air hose itself, detached from the blower unit and the headpiece,
can be rinsed in clean water.
6. SPARE PARTS
6.1 About the lters
The respiratory power unit is equipped with a high eciency particle lter of
class PSL R.
The lter must be checked regularly and replaced when necessary. See
section 4.2: "Air ow test".
Make sure that the new lter is within its expiry date, unused and not
noticeably damaged.
From the hygienic point of view the maximum working time of a lter is 180
hours and should not be exceeded.
Never clean the lter by any procedure!
10 FreshAir Flow Control
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