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9
GAS CONVERSION
9.1
Warnings
The commissioning of this boiler and
system must only be undertaken by a
Gas Safe Registered Engineer, quali-
fied to work on Liquefied Petroleum Gas
(LPG) in accordance with the require-
ments of the Gas Safe Installation and
Use Regulations.
Components used to adapt it to the type
of gas available must be genuine parts
only.
Factory setting = Natural gas.
9.2
Operations and gas setting
Check that the gas cock mount-
ed on the gas piping to the boil-
er is closed and that the appli-
ance is not powered.
• Remove the body's front panel and turn
the control panel as shown in section
"MAINTENANCE" on page 68.
• Unscrew the connector "C", remove the
fixing fork "A" and remove the pipe "B"
(Fig. 9.1).
Fig. 9.1
- 66 -
GAS CONVERSION
• Carry out gas conversion by correctly re-
Fig. 9.2
A
The factory boiler is set for functioning
with Natural gas (G20).
B
To set the functioning of the boiler with LPG
(G31) gas, carry out the following settings:
C
• Enter in "programming mode" by sequen-
placing the gas restrictor (Fig. 9.2), refer-
ring to the "Technical Data" section (page
24 ADVANCE 25S and page 27 AD-
VANCE 30S).
Attention, to reassemble repeat
the operations carried out in re-
verse order. Be careful not to
damage the OR gasket of the
gas pipe when inserting the pipe
in the air/gas mixer. After any
service operation on the compo-
nents of the gas circuit check all
the connections for gas tight-
ness.
tially pressing and holding in keys 12 - 13
- 14 (Fig. 9.3) for 10 seconds until the
letters Pr that alternate with code 01 are
displayed on the LCD display, indicating
that "parameter 01" (Fig. 9.4) has been
activated.
Gas restrictor
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