Frontiermedical Toto Manuel D'utilisation page 23

Cleaning Air Filters
1. Switch off the power supply to the control unit.
2. Disconnect the power lead and air hoses.
3. Place the control unit on a flat surface with its back panel uppermost (place a soft cloth under
the unit to prevent scratches).
4. Carefully remove the air filter cover located on the back panel of the control unit (x1).
5. Remove and clean the filter with clean water and allow to dry thoroughly.
6. Replace the cleaned filter and refit the air filter cover on the control unit.
7. The control unit is now ready for use.
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