Cleaning The Secondary Heating Surfaces - Viessmann Vitoligno 300-P Service Instructions For Contractors

Commissioning, inspection, maintenance
Further details regarding the individual steps
6. Refit thermal insulation block C and
close combustion chamber door.

Cleaning the secondary heating surfaces

A
B
C
D
E
F
G
H
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1. Remove rear top panel A and the
thermal insulation mat B.
2. Remove flame temperature sensor
C and clean off any ash deposits.
3. Remove clean-out cover D.
4. Undo screws E and pull out hangers
F with cleaning spirals G.
5. Clean secondary heating surfaces
(flues) H and reversing chambers
K with cleaning brush and vacuum
cleaner.
6. Reassemble in reverse order.
K
(cont.)