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

Checking the burner gauze assembly

B B A
Fig. 13
!
Please note
Scratches inside the combustion chamber can
lead to corrosion.
Never place tools or other objects inside the
combustion chamber.

Checking the ignition electrodes and ionisation electrode

Ignition electrodes
3,5 +
0,5
-
Fig. 14
Ionisation electrode
Fig. 15
Commissioning, inspection, maintenance
1. Remove the gas supply pipe; to do so, release the
control cables and plug from the gas train.
Danger
Escaping gas leads to a risk of explosion.
Close the gas shut-off valve.
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
tamination. Slight wavy deformations of burner
gauze assembly are unproblematic. Remove
A
any contamination thoroughly using compressed
air.
4. If required, replace burner gauze assembly
thermal protection ring
Burner component installation instructions
For cleaning the combustion chamber and flues,
see boiler service instructions.
1. Check the ignition electrodes and ionisation elec-
trode for correct gap to the burner gauze assembly
and for possible damage. Replace the electrodes if
required.
2. Close the boiler door and tighten the screws on the
boiler door evenly and diagonally.
Burner component installation instructions
A
for damage and con-
B
A and
.
B
15