Clean The Fan And The Venturi - DeDietrich C 330 ECO Installation, User And Service Manual

7. Checking and maintenance
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T003494-J
We recommend carrying out the specific maintenance activities in the
following order:

1. Clean the fan and the venturi.

2. Clean and inspect the non-return valve.
3. Replacing the ionization/ignition electrode.
4. Cleaning the gas filter.
5. Clean and inspect the burner.
6. Clean the burner area.
7. Cleaning the heat exchanger.
8. Cleaning the condensate collector.
9. Cleaning the siphon.
10.Assembling the boiler.
11.Put the boiler back into operation.
7.3.1. Clean the fan and the venturi
1. Remove the electrical connections from the fan. Push the safety
slides on both sides of the power plug right to the back (You could
use a small screwdriver for example).
2. Unscrew the bolts from the extension piece under the fan. Support
the gas block, using a block of wood, for example.
3. Disconnect the air inlet hose from the venturi.
4. Unscrew the nuts on the fan output.
5. Disconnect the fan from the adapter.
6. Clean the fan with a soft plastic brush.
7. Clean the venturi with a soft plastic brush.
C 330 ECO - C 630 ECO
31/05/2012 - 7600532-01