Viessmann Vitodens 100 Installation And Service Instructions Manual page 49

Routine Servicing Instructions
3. Lift the front panel from the wall
mounting bracket.
4. Flip down the control unit.
Burner removal
1. Close the gas shut-off valve and
safeguard against reopening.
(cont.)
5. Remove 2 screws and remove
cover panel.
2. Pull electrical cables from fan
motor A, gas valve B, and igni-
tion unit C.
Service Instructions
49