91
EN
4 MAINTENANCE
4.1
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.
OFF
Fig. 41
4.2
External cleaning
4.2.1
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.
4.3
Cleaning the inside of the appliance
4.3.1
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. 42
– remove the four screws (3) and remove the front panel (4)
from the combustion chamber working carefully so as not to
damage the gasket or the panel insulation
3 4
5
6
Fig. 43
– 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.
