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MAINTENANCE
MAINTENANCE
10.14 Water inhibitor concentration
Where chemical products are used the level
of water treatment should be checked on an
annual basis and re treated after full or par
-
tial drain down.
A
conductivity meter can be used to check
the correct concentration of inhibitor in the
heating water.
10.15
Setting the
boiler flue sweep
function
With the boiler set in flue sweep mode, it is
possible to exclude some boiler automatic
functions making check and control opera
-
tions easier.
•
Enter in "programming mode" by sequen
-
tially pressing and holding in keys, 16 - 17
and then 18 (Fig. 10.17) for 10 seconds
until the letters
Pr
that alternate with code
01
are displayed on the LCD display, in
-
dicating that "parameter 01" (Fig. 10.18)
has been activated.
Fig. 10.17
14
15
16
17
18
19
Fig. 10.18
Flue sweep function at minimum output
in domestic hot water mode
•
Press keys 17 and 18 (Fig. 10.17) at the
same time until the LCD display displays
the letters
LP
that alternate with the heat
-
ing water temperature value (e.g.
45
), in
-
dicating the activation of the "
flue sweep
function" at minimum output (Fig. 10.19).
Fig. 10.19
Flue sweep function at minimum output
in heating mode
•
By pressing 18 (Fig. 10.17) it is possible
to change power in flue sweep mode: with
the letters
hP
on the LCD display which
alternate between the heated water tem
-
perature (i.e.
32
), we are in the “flue sweep
function” at the minimum power during
heating (Fig. 10.20).
Summary of Contents for ADVANCE 25C
Page 87: ......
