B.A. International Optima EOS350, Instructions For Use And Installation, Page: 22 / 223

7.5 HEPA Filter Replacement
Percentage of remaining lifetime
Reset Button
18
HEPA Filter
Extraoral Suction System, Instructions For Use and Installation
（
replace time :12 months/1000 hours
）
The lifetime of the HEPA filter is 12 months or 1000
hours (whichever is sooner). When the equipment is
powered on, the percentage of filter’s remaining
lifetime will be shown on the panel. However, the
filter’s lifetime may vary in different operational
environments. When system senses insufficient
negative pressure, a buzzing sound from the panel,
or blinking indicator light, indicates a replacement is
necessary.
•Turn off the system power and remove
powercord from the wall.
•Keep your hands dry.
•Wear gloves.
①
Remove the door panel.
②
Unlock the dust-proof cabinet drawer
and press the cover plate.
③
Remove the filter box.
④
Replace the HEPA filter.
⑤
Use a medical waste bag to lift it from
the device base and dispose of used HEPA
filter as medical waste.
⑥
Replace the filter box, replace the cover
plate. Double check and lock.
⑦
Reinstall the door panel.
[Caution] Replaced filters should be disposed of as
medical waste.
[Caution] Make sure the HEPA filter is placed
[Caution] After replacing the HEPA filter, press and
hold the Reset Button for 5 seconds until a buzzing
sound that lasts for 3 seconds is heard. The alarm
will stop.