Viessmann Vitoladens 300-W Installation And Service Instructions Manual page 29

Cleaning the burner
C
E
D
B
A
Fig. 25
1. Undo screws , remove cover with mixing assem-
A
bly and secure in the service position.
B
2. Pull the leads off ignition electrodes
Commissioning, inspection, maintenance
3. Undo Allen screw
.
E
C . 4. Clean the restrictor, dosing ring and ignition elec-
trodes.
and remove spinning facility
D
29