Cleaning The Flue Gas Fan And The Lambda Probe - Viessmann Vitoligno 300-P Service Instructions For Contractors

Further details regarding the individual steps

Cleaning the flue gas fan and the Lambda probe

A
B
6x
1. Remove cover A.
2. Pull out cables/leads B with their
strain relief through the side panel of
the fan cover.
3. Unhook fan cover C; for this, undo
screw D.
Commissioning, inspection, maintenance
E
F
C D
4. Undo wingnuts on flue gas fan E
5. Clean impeller with spatula and vac-
6. Check impeller for visible damage
(cont.)
G
and pull out motor F with impeller.
Note
The cables are not long enough to set
the motor down on the floor.
uum cleaner.
and replace, if required.
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