- 67 -
MAINTENANCE
GAS CONVERSION
GAS CONVERSION
8
Warnings
8.1
The commissioning of this boiler and
system must only be undertaken by a
professionally qualifi ed person in ac-
cordance with the requirements of the
Gas Safety Installation and Use Regula-
tions and be approved by Gas Safety.
Components used to adapt it to the type
of gas available must be genuine parts
only.
Factory setting = Natural gas.
Operations and gas setting
8.2
Check that the gas cock mount-
ed on the gas piping to the
boiler is closed and that the
appliance is not powered.
Remove the body's front panel and turn
•
the control panel as shown in
section
"MAINTENANCE" to page 69 .
Unscrew the connector
•
C
, remove the
fi xing fork
A and remove the pipe
B ( Fig.
8.1 ).
A
B
C
Fig. 8.1
Carry out gas
•
conversion by correctly re-
placing the gas restrictor ( Fig. 8.2 ), refer-
ring to the "Technical Data" section page
24 (Activ A 18S), page 26 (Activ A 25S)
and page 28 (Activ A 30S).
Fig. 8.2
Gas restrictor
Attention, to reassemble repeat
the operations carried out in
reverse order. Be careful not to
damage the OR gasket of the
gas pipe when inserting the
pipe in the air box (air/gas mix-
er). After any service operation
on the components of the gas
circuit check all the connec-
tions for gas leaks.
The factory boiler is set for functioning
with Natural gas (G20).
To set the functioning of the boiler with
LPG
(G31)
gas, carry out the following settings:
Enter in "programming mode" by pressing
•
keys 11 - 12 - 13 ( Fig. 8.3 ) 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. 8.4 ) has been activated.