39
ENGLISH
5 MAINTENANCE
7
To ensure correct operation over time, the appliance should be checked
byaqualiedprofessionalatleastonceayear.
IMPORTANT
: before performing any cleaning or maintenance work, or
before opening or removing the boiler panels, turn the appliance off by
shutting off the gas tap.
Check
thattheuegasespassagesectionsoftheheatexchangerarenot
obstructed. Use a wet soapy cloth to clean the external panels.
Do not
use abrasive solvents, powders or sponges.
Do not
cleantheapplianceoritscomponentpartswithhighlyammable
substances such as : petrol, alcohol or heavy oil.
b
Models for outdoor installation
: If you need to inspect or clean the
discharge open the cover by unscrewing the screws
A
.
Fig. 39
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 Models 17
B
B
A
Fig. 40
Models 11-13
Toaccess the instrument panel remove the xing screw
C
and turn it
outwards
C
Fig. 41
Models 17
To open the instrument panel:
- remove the screws
C
- slide the instrument panel out and rotate it to the stop position
Fig. 42
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
A
Fig. 43