Cleaning the condensate drain and siphon
- Cleaning interval: Every 2 years
- Fill the siphon up with water after long dry periods.
- Switch off ventilation unit with main switch, disconnect at all poles from the power supply, secure against being accidentally switched back on and position a visible warning sign.
- Loosen the two quick-release locks and remove the front cover.
Note information on sticker. - Remove deposits from condensate drain area and flush drain pipe. The siphon must be filled with water so that the ventilation unit does not draw in infiltration air.
- Attach front cover and secure with both quick-release clips.
- Switch on the ventilation unit.