5 MAINTENANCE
To ensure correct operation over time, the appliance should be checked
by a qualified professional at least once a year.
: before performing any cleaning or maintenance work, or
IMPORTANT
before opening or removing the boiler panels, turn the appliance off by
shutting off the gas tap.
Check
that the flue gases passage sections of the heat exchanger are not
obstructed. Use a wet soapy cloth to clean the external panels.
use abrasive solvents, powders or sponges.
Do not
clean the appliance or its component parts with highly flammable
Do not
substances such as : petrol, alcohol or heavy oil.
b
Models for outdoor installation
discharge open the cover by unscrewing the screws A .
6 REMOVING THE CASING
6 1 Models for indoor installation
To remove the casing:
- disconnect the appliance from the electric power supply using the om-
nipolar switch
- remove the two screws A
- pull the casing B forwards
- lift the casing B upwards releasing it from the hooks at the top
Models 11-13
A
7
: If you need to inspect or clean the
A
Models 17
B
Models 11-13
To access the instrument panel remove the fixing screw C and turn it
outwards
Models 17
To open the instrument panel:
- remove the screws C
- slide the instrument panel out and rotate it to the stop position
Fig. 39
6 2 Models for outdoor installation
To remove the casing:
- disconnect the appliance from the electric power supply using the om-
nipolar switch
- remove the three screws A of the top discharge
- pull the top discharge upwards
B
A
Fig. 40
C
C
A
ENGLISH
Fig. 41
Fig. 42
Fig. 43
39