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8
GAS CONVERSION
8.1 Warnings
The operations to adapt the boiler
to the type of gas available must
be carried out by an authorised
service centre.
8.2 Gas operations and setting
The boiler is factory set to operate with nat-
ural gas (G20).
To set boiler operation to LPG gas (G31), carry
out the following settings:
• Enter "programming mode" by pressing the
12 and 14 keys simultaneously for 5 seconds
(Figure 8.1) until HiS (Boiler History) appears
on the LCD display (Figure 8.2).
11
12
Figure 8.1
Figure 8.2
• Scroll through the various menus by press-
ing the keys 12 (back) or 14 (forward), until
PAr (Parameters menu) appears on the LCD
display (Figure 8.3).
• Press the 13 key for 1 second to enter the se-
lected menu.
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GAS CONVERSION
16
15
14
13
Figure 8.3
• Scroll through the various parameters by
pressing the keys 12 (back) or 14 (forward),
until P02 (Gas type selection), which alter-
nates with the parameter value, appears on
the LCD display (Figure 8.4).
Figure 8.4
• Press the 13 key for 1 second (Figure 8.1) to
enter the selected parameter. The display
will show the following (Figure 8.5).
Figure 8.5
• The value of parameter 02 can be changed
from 00=G20 to 01=G31, which is compatible
with LPG, using the 12 or 14 keys (Figure 8.6).
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