Checking The Burner Gauze Assembly And Thermal Insulation Block - Viessmann VITOCROSSAL Service Instructions Manual

Checking the burner gauze assembly and thermal insulation block

Check the burner gauze assembly for damage and
contamination. In the event of damage or heavy con-
tamination, replace the burner gauze assembly.
A
4x
G
Fig. 11 Up to 80 kW
Ignition and ionisation electrodes
A
Burner gauze assembly gasket
B
Insulation mat
C
Burner door gasket
D
Check the burner gauze assembly for damage. In the
event of damage, replace the burner gauze assembly.
1. Remove electrodes.
2. Undo 4 nuts. Remove burner gauze assembly and
insulating parts.
!
Please note
Damage to the burner gauze assembly will
impair the burner function.
Do not damage the mesh.
Never touch the mesh of the burner gauze
assembly. Place the burner horizontally onto
a suitable surface.
D
E
C
B
Commissioning, inspection, maintenance
F
Thermal insulation block
E
F Burner gauze assembly
Fan
G
3. Replace any damaged components. Use new gas-
kets.
Note
Observe the positioning aid on the thermal insula-
tion block.
4. Reassemble in reverse order. Observe torque val-
ues, see table on page 24.
21