52
ENGLISH
- Make sure that the new nozzle is exactly the same type
and size as the old one
- Clean the contact and sealing surfaces
- manually drive and screw the new nozzle fully home,
then tighten it properly.
a
Do not use nozzles of different make, type and specifica-
tions to the original.
REMOVING THE ELECTRODES
Proceed as follows to remove the electrodes:
- Loosen the screw (1)
- Extract the electrodes and check them for wear
Reverse the above steps to reassemble.
1
REMOVING THE BURNER CONTROLLER
The burner cover has to be removed first in order to remove
the controller.
Proceed as follows:
- Loosen the screw (1), open the cover (2) and remove all
the components inside
- Remove the coil (3)
- Unscrew and remove the two screws (4).
2
1
3
4
4
b
This operation must be performed with the burner turned
off and mains power disconnected.
CLEANING THE FAN
b
Clean the inside and the rotor blades of the fan unit to
remove any build-up of dust. Accumulated dust reduces
the air flow and therefore reduces combustion efficiency,
leading to increased emissions.
b
Take care not to damage or block the fan while perform-
ing cleaning or maintenance.
Proceed as follows
- Unscrew the screws (1) and remove the air damper (2);
- Unscrew the screws (3) and remove the suction cover
(4);
- Clean the fan and the inside of the suction cover using
a suitable brush and compressed air.
3
1
2
4
- Reverse the above steps to reassemble. Take care to
replace all burner parts in their original positions.
Boiler exchanger cleaning
Proceed as follows to access the internal parts of the boiler:
- remove the fixing screw (2) and extract the front panel
(1);
1
2