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2
USER INSTRUCTIONS
2.1 Warnings
Check that the heating circuit is
correctly filled with water, even
if the boiler is only used for pro-
ducing domestic hot water.
If it is not, proceed with filling; see sec-
tion "Filling the heating circuit" on page
13.
All boilers have an antifreeze system that is
activated if the temperature falls below 5°C;
therefore do not turn off the boiler.
If the boiler is not used during cold periods,
with the resulting risk of freezing, proceed
as described in section "Antifreeze protec-
tion" on page 13.
2.2 Ignition
• The boiler cocks and the cocks used
during installation must be open (Figure
2.1).
The heating circuit filling cock
(7) must remain closed.
Open
position
Figure 2.1
• Power the boiler by turning on the two-
way switch fitted during installation. The
USER INSTRUCTIONS
7
LCD display shows the OFF status (only
the heating and DHW antifreeze functions
are active) Figure 2.2.
Figure 2.2
Heating/DHW operation
• Press the 16 button and hold until both
symbols
and
play.
17
11
12
Figure 2.3
The LCD display shows the stand-by status
and the
and
Figure 2.4
Operation with production of hot water
only
• Press the 16 button until the symbol
appears on the display.
The LCD display shows the stand-by status
RESET
bar
appear on the dis-
16
15
14
13
symbols (Figure 2.4).
RESET
bar
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