Burner Removal; Checking The Burner Gasket And The Burner Gauze Assembly - Viessmann VITODENS 200-W Service Instructions Manual

Further details regarding the individual steps

Burner removal

G
4x
E
D
C
B
1. Switch OFF the main power supply
and the ON/OFF switch at the control
unit.
2. Close the gas shut-off valve and safe-
guard against reopening.
3. Pull cables from fan motor A, gas
train B, ionisation electrode C,
ignition unit D and earth tab E.

Checking the burner gasket and the burner gauze assembly

Check burner gasket A and burner gauze assembly E for damage and replace if
required.
Commissioning, inspection, maintenance
F
A
4. Release gas supply pipe fitting F.
5. Undo four screws G and remove the
burner.
!
Please note
To prevent damage,
never rest the burner on the
gauze assembly.
(cont.)
19