Table of Contents
Advertisement
8
GAS CONVERSION
8.1 Warnings
The operations to adapt the boil-
er to the type of gas available
must be carried out by an autho-
rised service centre.
The components used for adapting to the
type of gas available must only be original
spare parts.
For instructions regarding calibrating the
boiler gas valve, refer to section "CHECK-
ING THE GAS SETTING" on page 55.
8.2 Gas operations and setting
Check that the gas cock mount-
ed on the gas piping to the boil-
er is closed and that the unit is
not powered.
• Remove the front panel of the body and
turn the control panel towards you as
shown in section "Maintenance" on page
61.
• Unscrew the swivel joint B and remove
the gas pipe A (Figure 8.1).
Figure 8.1
GAS CONVERSION
• Convert the type of gas by correct-
Figure 8.2
A
The boiler is factory set to operate with
natural gas (G20).
To set boiler operation to LPG gas (G31),
carry out the following settings:
• Enter "programming mode" by holding
B
ly replacing the gas diaphragm (Figure
8.2), referring to section "Technical data
M270V.2025 SM" on page 22 and
"Technical data M270V.2530 SM" on page
26.
Note: to reassemble, repeat the
operations in reverse order, be-
ing careful not to damage the
gas pipe OR gasket when the
pipe is inserted in the gas/air
mixer. Carry out the gas tight-
ness test after tightening the
gas pipe swivel joint (Figure
8.1).
down buttons 18 and 19 for 5 seconds at
the same time (Figure 8.3). The code P00
appears on the display, indicating entry
into "parameter P00" (Figure 8.4).
Gas
diaphragm
- 59 -
Advertisement
Table of Contents
