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MAINTENANCE
MAINTENANCE
Chimney sweep function at minimum out-
put in heating mode
• By pressing 16 (Fig. 9.19) it is possible to
change power in chimney sweep mode: with
the letters
hP
on the LCD display which al-
ternate between the heated water tempera-
ture (i.e.
32
), we are in the “chimney sweep
function” at the minimum power during heat-
ing (Fig. 9.22).
Fig. 9.22
Chimney sweep function at maximum out-
put in heating mode
• Press key 16 to vary the output in chimney
sweep mode: when the LCD display displays
the letters
cP
that alternate with the heating
water temperature value (e.g.
78
), the "chim-
ney sweep function" is at maximum (even-
tually range rated) output in heating mode
(Fig. 9.23).
Fig. 9.23
Chimney sweep function at maximum out-
put in domestic hot water mode
• Press further key 16 to vary again the out-
put in chimney sweep mode: when the LCD
display displays the letters
dP
that alternate
with the heating water temperature value
(e.g.
60
), the "chimney sweep function" is
at maximum output in domestic hot water
mode" (Fig. 9.24).
Fig. 9.24
• Press keys 12 - 15 - 16 (Fig. 9.19) at the
same time again to exit the "chimney sweep
mode" and return to the previously set boiler
status (Fig. 9.25).
Summary of Contents for Activ A 25S
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