ENGLISH
27
5 MAINTENANCE
To ensure correct operation over time, the appliance should be checked by
a qualified professional at least once a year
.
IMPORTANT:
before performing any cleaning or maintenance work, or be-
fore opening or removing the boiler panels, turn the appliance off by shut-
ting off the gas valve.
Check the burner, ignition electrode and gas circuit seal particularly.
Check
that the flue passage sections of the exchanger are not obstructed.
Use a wet soapy cloth to clean the external panels.
Do not
use abrasive solvents, powders or sponges.
Do not
clean the appliance or its component parts with highly flammable
substances such as petrol, alcohol or naphtha.
b
Should you need to inspect or clean the outlet, open the cover
by loosening the "X" screws (fig. 22
).
X
6 REMOVING THE CASING
To remove the casing:
- disconnect the appliance from the power supply using the mains switch
- remove the three screws
A
of the upper outlet
- slide upper outlet upwards
-
A
A
A
remove the two screws
B
- pull the casing forwards
C
- lift the casing upwards
C
, releasing it from the hooks at the top.
B
C
B
To open the instrument panel:
- remove the screws
D
- pull the panel
E
out and release until it rests in a locked position.
E
D
D
At the end of the operations described above refit all components in reverse
order.
b
"Y" seal must always be in its original seat (fig. 26
).
fig. 26
Y
6.1 Accessing the modulation circuit board
b
First disconnect the appliance from the power supply using the mains
switch.
- To access the electronics, remove the casing and open the instrument
panel.
- Remove the two screws
F
.
- Remove the cover to access the board.
fig. 27
F
F
fig. 22
fig. 23
fig. 24
fig. 25
