14
EN
humidifier B 3 E / B 4 E
4. Remove the valve unit (
10
) and check it for dirt and
limescale deposits. Clean the valve unit with a clean, lint-
free cloth.
5. Wet the valve unit with household vinegar (descaling
agent) when it shows limescale deposits.
6. Let the descaling agent act for approx. 2 to 5 min.
7. Actuate the valve unit by holding the valve unit in your
hand and pushing against the membrane with your finger.
ð
The washer (
28
) slightly detaches from the valve unit.
10
28
8. Clean the inner area of the washer using a clean, lint-free
cloth.
9. Wet the washer with household vinegar (descaling agent)
when it shows limescale deposits.
10. Let the descaling agent act for approx. 2 to 5 min.
11. Remove the deposits by carefully treating the parts of the
valve unit with a cotton bud.
12. Mount the valve unit (
10
) to the water tank (
4
) after
cleaning and tighten it in clockwise direction.
4
10
13. Then mount the cover of the water filter as described in
the “Cleaning the water filter” section.
14. Refit the water tank (
4
) as described in Cleaning the water
tank.
Cleaning the air filter
The air filter should be cleaned and replaced in the case of
heavy soiling.
1. Carefully push against the lower edge of the cover (
8
).
ð
The cover (
8
) is unlocked from the bottom section (
5
).
2. Remove the cover of the filter (
8
) from the bottom
section (
5
).
5
17
8
3. Clean or replace the carbon filter (air filter) (
17
).
4. Insert the carbon filter (air filter) (
17
) into the cover (
8
).
5. Slide the cover (
8
) into the bottom section (
5
).
ð
The cover (
8
) is locked audibly in the bottom section (
5
).
8
17
5
