Burner Removal - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Burner removal

4x
E C B
1. Switch OFF the power.
2. Shut off the gas supply.
3. Disconnect electrical cables from fan
motor A, gas valve B.
4. Open control unit casing (see
page 11) and pull out the lead to igni-
tion electrode C.
5. Disconnect the venturi extension
from fan A.
20
A D
6. Disconnect gas supply pipe D fit-
7. Undo four screws E and remove the
(cont.)
ting.
burner.
!
Please note
To prevent damage,
never rest the burner on the
gauze assembly.