Boschetti Industrie Meccaniche srl
15
IT
Ver. 01/2019
Maintenance
It is advisable to carry out at least once a year by a qualified staff a check on the working of devices, the combustion, the
lighting and device‘s safety.
If it is necessary to replace an accessory or device, it is advisable to request the spare part from the manufacturer (see
the exploded drawing with the spare part list in the next page).
Before starting any work it is necessary to disconnect the device from the gas network.
Cleaning of the evacuation system of combustion
gases
Once a year it is necessary to clean the burnt gas
evacuation system. This operation must be carried out by
a qualified staff. You have to follows these directions:
- Dismount the burner’s cover and the burner's protection
mask;
- dismount the whole burner;
- take away the draftdamper;
- take away the baffles of the exhaust gases pipe;
- clean the smokes system;
- remount the same parts and check the tightness and the
working performance.
Smokes sensor replacement
The smokes sensor replacement can be carried out only
by a qualified staff. You have to follows these directions:
- take out the cables connected with the fastons;
- loose the screws which fix the smokes sensor to the
antiwind;
- mount the screws on the new piece;
- fix the screws.
To carry out the check of smokes sensor, see the
correspondent paragraph.
Safety gas valve replacement
The replacement of a defected gas valve must be carried
out only by a qualified staff. You have to follows these
directions:
- Remove the cover for gas valve and unscrew the related
fixing screws;
- loose the gas connection (pilot burner and main burner);
- take out the smokes sensor‘s cable;
- empty the water tank;
- remove the safety gas valve and replace it with a new
one;
- set all the parts and the connections by following the
inverse procedure and connect them respectively.
Piezoelectric ignitor replacement
The replacement of a piezoelectric ignitor must be carried
out only by a qualified staff. You have to follows these
directions:
- Remove the cover for gas valve and unscrew the related
fixing screws;
- remove the piezoelectric ignitor and replace it with a
new one;
- Remount the cover for gas valve and fix the related
screws.
Thermocouple and pilot burner replacement
The replacement of these parts must be carrieed out by a
qualified staff. You have to follows these directions:
- Dismount the burner’s cover and the burner's protection
mask;
- Remove the cover for gas valve and unscrew the related
fixing screws;
- loose all gas conduits (pilot burner, main burner);
- remove the thermocouple or the pilot burner and
replace the part;
- set all the parts by following the opposite procedure.
