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the correct concentration of inhibitor in the
heating water.
9.13 Setting the boiler chimney
sweep function
With the boiler set in chimney sweep mode,
it is possible to exclude some boiler auto-
matic functions making check and control
operations easier.
• Enter in "programming mode" by pressing
keys 11 - 12 - 13 (Fig. 9.18) for 10 seconds
at the same time until the letters Pr that al-
ternate with code 01 are displayed on the
LCD display, indicating that "parameter
01" (Fig. 9.19) has been activated.
11
Fig. 9.18
Fig. 9.19
Chimney sweep function at minimum
output in domestic hot water mode
• Press keys 12 and 13 (Fig. 9.18) at the
MAINTENANCE
same time until the LCD display displays
the letters LP that alternate with the heat-
ing water temperature value (e.g.45),
indicating the activation of the "chimney
sweep function" at minimum output (Fig.
9.20).
Fig. 9.20
13
Chimney sweep function at minimum
output in heating mode
• By pressing 13 (Fig. 9.18) it is possible to
12
change power in chimney sweep mode:
with the letters hP on the LCD display
which alternate between the heated water
temperature (i.e.32), we are in the "chim-
ney sweep function" at the minimum pow-
er during heating (Fig. 9.21).
Fig. 9.21
Chimney sweep function at maximum
output in heating mode
• Press key 13 to vary the output in chimney
sweep mode: when the LCD display dis-
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