Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual page 46

3. Check whether the water drains correctly via the drain
(B).
▽
If the water does not drain correctly, clear out the
draining circuit.
12.7.7 Cleaning the condensate siphon
C
1. Unclip the lower section of the siphon (1) from the up-
per section of the siphon (2).
2. Remove the float (3).
3. Flush out the float and lower section of the siphon with
water.
4. Fill the lower section of the siphon with water up to 10
mm below the upper edge of the condensate discharge
pipe.
5. Re-insert the float (3).
Note
Check that the float is present in the con-
densate siphon.
6. Clip the lower section of the siphon (1) into the upper
section of the siphon (2).
46
2
A B
3
1
12.7.8 Cleaning the filter in the dynamic air
separation system
1
2
3
1. Remove the clips (1) and (3).
2. Loosen the upper section of the pipe (2).
3. Then turn and loosen the lower section of the pipe (4).
3
2
1
4. Remove the screws (1).
5. Remove the housing (2) from the air separation sys-
tem.
6. Clean the filter (3) using hot water.
▽
If the filter is damaged, replace it.
7. Insert the filter into the air separation system.
8. Replace the seal on the air separation system's hous-
ing.
9. Reattach the housing for the air separation system and
use the screws to secure it in place.
–
Tightening torque: 7.5 Nm
10. Reinsert the pipe and insert the clip.
Installation and maintenance instructions ecoTEC plus 0020261389_03
4