Viessmann VITOLIGNO 300-H Series Operating Instructions Manual page 34

Fuel supply
Vacuum module blocking times
5. to confirm.
d
The adjustable suction wands are shown.
An "X" will be shown below blocked suction
wands instead of their suction wand num-
ber.
6. / for selecting the suction wand.
Ù Ú
7. to confirm.
d
8. / for "Flush", "Reset" or "Reset all".
| ~
If "Flush" is selected: The suction wand
will be automatically blocked following purg-
ing.
34
(cont.)
9.
d
10. Repeat steps 6 to 9 for purging or resetting further
suction wands.
11.
ä
to confirm.
The suction wands available for selection
will be redisplayed.
repeatedly until the "standard menu" is dis-
played.