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Fill the condensate discharge si-
phon with a half litre of water to
prevent smoke from exiting at
first ignition.
The flue gas intake positioned
on the flue gas outlet can be
used for this operation (Figure
6.4).
Figure 6.4
• Assemble the front panel of the body.
• Electrically power the boiler by activating
the installed bipolar switch. The LCD dis-
play will show the message OFF (Figure
6.5).
Figure 6.5
• Press the 18 button and hold until both
symbols
and
play.
PREPARATION FOR SERVICE
Flue gas
intake
RESET
bar
appear on the dis-
19
13
14
Figure 6.6
The LCD display shows the stand-by status
and the
and
Figure 6.7
• Open the gas cock.
• Make sure that the ambient thermostat is
in the "heat request" position.
• Check the correct operation of the boiler,
both in DHW mode and in heating mode.
• Check the gas pressures and flow rates as
shown in section "CHECKING THE GAS
SETTING" on page 55 of this manual.
• Check that the condensate produced
during operation fills the siphon and is
drained correctly in the system discharge
pipe.
• Press the 18 button (Figure 6.6) until the
message OFF appears on the LCD dis-
play (Figure 6.5).
In OFF mode, the antifreeze protection is
active.
18
17
16
15
symbols (Figure 6.7).
RESET
bar
- 53 -
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