Trotec TTR 2000 Mode D'emploi page 56

Air filter of the electrical control box
Check the air filter of the electrical control box once a month
and replace the filter mat as needed.
1. To do so, open the filter flap at the electrical control box.
2. If it is dirty, replace the filter. Then close the flap again
until it snaps into place.
19 desiccant dehumidifier TTR 2000 / TTR 2800 / TTR 3700 EN