7 Maintenance
Fig.52
Cleaning the fan and venturi
7
6
7.4.2
Replacing the ionisation/ignition electrode
Fig.53
Replacing the ionisation/ignition
electrode
4
7.4.3
Cleaning the burner
Fig.54
Removing the burner
Fig.55
Checking the burner
3
52
6. Disconnect the fan from the venturi.
7. Clean the fan with compressed air.
8
8. Clean the venturi with a soft plastic brush.
9. Reassemble the unit in reverse order.
AD-3002495-01
The ionisation/ignition electrode must be replaced if:
1. Remove the plug of the electrode from the ignition transformer.
2. Unscrew the 2 screws on the electrode.
1
3. Remove the electrode.
4. Fit the new electrode.
3
5. Reassemble the unit in reverse order.
2
AD-3002480-01
1. Unscrew the nuts from the adaptor and remove the adaptor.
2. Lift the burner out of the heat exchanger.
2
1
AD-3002481-01
3. Check the burner.
AD-3002482-01
The ionisation current is lower than 4 µA.
The electrode is damaged or worn.
The specific maintenance activities are carried out.
Important
The ignition cable is fixed to the electrode and may not be
removed.
Caution
To prevent damage, do not fit the new electrode until the burner
has been cleaned and refitted.
Replace the burner if faulty or seriously damaged.
7837115 - v.01 - 10012023