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9
MAINTENANCE
9.1 Warnings
Protective gloves must be worn.
Cool down the appliance by
shutting off the gas cock and
withdrawing a large quantity of
water by opening the system's
DHW cocks.
The operations described in this
section must only be performed
by professionally qualified per-
sonnel, therefore you are ad-
vised to contact an authorised
service centre.
For efficient and continuous boiler opera-
tion, the user must have maintenance and
cleaning carried out once a year by an au-
thorised service centre technician. If these
operations are not carried out, damage to
components and boiler operation problems
will not be covered by the standard warran-
ty.
Before performing any cleaning or mainte-
nance operation or before opening or re-
moving the boiler panels, isolate the unit
from the electric power supply using the
multi-way switch installed in the system and
close the gas valve.
9.2 Removing the body panels
Front panel
• Unscrew the screws A and G then remove
the front panel D by pulling it towards you
(Figure 9.1 and Figure 9.2).
Side panels
Loosen screws B in Figure 9.1 and remove
the two side panels E and F pulling them
outwards and pushing them upwards to re-
MAINTENANCE
lease them from the upper supports.
Figure 9.1
F
Figure 9.2
Control panel
• Unscrew the screw C in (Figure 9.1).
• Turn the control panel H, as shown in
Figure 9.3 for easy access to the compo-
nents inside the boiler.
A
B
E
G
C
B
D
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