Clean And Inspect The Non-Return Valve; Replacing The Ionization/Ignition Electrode - DeDietrich C 330 ECO Installation, User And Service Manual

C 330 ECO - C 630 ECO
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7.3.2.
The non return valve must be replaced if it is faulty.
1. Remove the electrical connections from the fan. Push the safety
2. Unscrew the bolts from the extension piece under the fan.
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3. Unscrew the nuts on the fan output.
4. Disconnect the fan from the adapter.
5. Clean the non-return valve with a soft plastic brush or with
6. Inspect the non-return valve and replace it if faulty or seriously
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7. To re-assemble, perform the above actions in reverse order.
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7.3.3.
Replace the ionization/ignition electrode in the following cases:
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4 Ionization current <3 µA.
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4 The electrode is damaged or worn (Visual inspection).
4 The specific maintenance activities are carried out.
If replacement is necessary, proceed as follows:
1. Unscrew the 2 screws on the middle top casing.
2. Remove the middle top casing.
3. Remove the cable from the ionization/ignition electrode on the
4. Unscrew the 2 screws and remove the ionization/ignition
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Clean and inspect the non-return valve

slides on both sides of the power plug right to the back (You could
use a small screwdriver for example). Support the gas block, using
a block of wood, for example.
compressed air.
damaged.
CAUTION
Reconnect the fan's electrical connection.

Replacing the ionization/ignition electrode

ignition transformer.
electrode.
CAUTION
Do not fit the new ionisation/ignition electrode until the
burner has been cleaned and refitted. This will prevent
damage occurring.
7. Checking and maintenance
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