Viessmann VITODENS 100-W Manual page 53

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.
2. Pull electrical cables from fan
motor A, gas valve B, and igni-
tion unit C.
Service Instructions
(Fortsetzung)
5. Remove 2 screws and remove
cover panel.
3. Remove connection hose from air
pressure switch D.
4. Release gas connection pipe E.
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