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MAINTENANCE
MAINTENANCE
Figure 9.20
11
12
13
14
15
16
Figure 9.21
• Scroll through the various menus by press-
ing the keys 12 (back) or 14 (forward), until
ChS
(Chimney sweep) appears on the LCD
display (Figure 9.22).
• Press the 13 key for 1 second to enter the se-
lected menu.
Figure 9.22
Chimney sweep function at minimum out-
put in domestic hot water mode
• Scroll through the various parameters by
pressing the keys 12 (back) or 14 (forward)
until
LP
, which alternates with the minimum
heating water temperature (e.g.
45
), appears
on the LCD display indicating the activation
of the “chimney sweep function” at minimum
power (Figure 9.23).
Figure 9.23
Chimney sweep function at minimum out-
put in heating mode
• Press button 14 (Figure 9.20) to vary the out-
put in chimney sweep mode: when the LCD
displays the letters
hP
that alternate with
the temperature of the heating water (e.g.
32
), the "chimney sweep function" is at max-
imum output in heating mode (Figure 9.24).
Figure 9.24
Chimney sweep function at maximum
output in heating mode
• Press button 14 (Figure 9.20) to vary the out-
put in chimney sweep mode: when the LCD
displays the letters
cP
that alternate with the
temperature of the heating water (e.g.
60
),
the "chimney sweep function" is at maxi-
mum output in heating mode (Figure 9.25).
