Viessmann VITODENS 200 WB2A, Installation & Servicing Instructions Manual

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6 Routine Servicing
A
D
C B
Figure 6/B: Electrode Alignment
Figure 6/C: Burner Assembly
6.2 Ignition and Detection Electrodes
6.3 Burner
a)
Remove the electrodes (See Figure 6/B above & Figure 6/C below).
b)
Release the three Torx screws, and remove the thermal insulating ring (B).
c)
Release the four Torx screws, and remove the burner assembly with its gasket.
d)
Inspect the burner for blocked ports, cracks or slits. If sound clean with a soft
brush and refit in reverse order.
e)
Refit the thermal insulating ring (B).
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