Checking The Burner Gauze Assembly; Checking The Ignition Electrodes And Ionisation Electrode - Viessmann Vitocrossal 200 Service Instructions For Contractors

Checking the burner gauze assembly

A
C B
Fig. 21

Checking the ignition electrodes and ionisation electrode

Ignition electrodes
+
3.5
0.5
-
Fig. 22
Commissioning, inspection, maintenance
1. Danger
Escaping gas leads to a risk of explosion.
Close the gas shut-off valve.
Undo fitting on the gas supply pipe.
A
2. Undo the screws on the boiler door and open the
door.
3. Check the wire mesh of burner gauze assembly
and thermal protection ring
wavy deformations of burner gauze assembly
are OK.
4. If required, replace burner gauze assembly
together with thermal protection ring
Installation instructions
Replacing burner components
Ionisation electrode
Fig. 23
Check ignition electrodes and ionisation electrode for
correct gap to the burner gauze assembly and for pos-
sible damage. Replace electrodes if required.
Installation instructions
Replacing burner components
B
for damage. Slight
C
B
B
.
C
23