78
EN
8 MAINTENANCE
8.1 Adjustments
For the appliance to operate correctly and efficiently it is
recommended that the User calls upon the services of a
Professionally Qualified Technician to carry out
ANNUAL
maintenance.
m
CAUTION
– The maintenance interventions described must
ONLY be carried out the professionally qualified
personnel
who MUST wear
suitable protective safety
equipment.
– Make sure that the system components and pipes
are not hot (risk of burning).
a
WARNING
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
Fig. 70
8.2 External cleaning
8.2.1 Cleaning the cladding
When cleaning the cladding, use a cloth dampened with soap
and water or alcohol for stubborn marks.
d
IT IS FORBIDDEN
to use abrasive products.
8.3 Cleaning the inside of the appliance
8.3.1 Cleaning the heat exchanger
To clean the heat exchanger:
– remove the screws (1), pull the front panel (2) forwards and
release it from the top by lifting it
1
2
Fig. 71
– unscrew the four screws (3) and remove the front door (4)
of the combustion chamber, working carefully so as not to
damage the insulation
4
6
3
Fig. 72
– if there is any dirt on the heat exchanger (5) fins, protect the
burner elements (6) covering them with a sheet of newspaper
or a cloth and brush the heat exchanger (5) clean.