Service And Maintenance; Settings - Ferroli ARENA 30 C Installation And Operating Instructions Manual

3. SERVICE AND MAINTENANCE

3.1 Settings

Gas conversion
The adjustment and transformation operations must only be performed by Qualified Personnel.
FERROLI S.p.A. declines all liability for damage to persons and/or things deriving from tampering with the
appliance by non-authorised persons.
The appliance can operate with natural or LPG supply gas, and is factory configured for use with one of the
two gases, as is clearly marked on the packaging and on the rating plate on the appliance itself.
If the appliance has to be used with a gas other than the one it has been set for, it is necessary to insert (or
remove) the restrictor between the gas valve and the air inlet Venturi, and operate on the regulation screw
F (fig. 19) placed on the Venturi unit to regulate the CO
+/- 0.1%) described in the following table::
Category
2H
3P
To convert, proceed as follows:
1 Remove the lower protection plate and open the boiler casing
2 If necessary, insert or remove the restrictor following the instructions to points 3-11, otherwise go
to point 12
3 Disconnect the gas and the electrical power supply if the boiler is already installed
4 Remove the ignition device "A" from the valve body, removing the fastening screw "B"
24
Supply gas
Methane (G20)
Propane (G31)
F
B
A
content in the flue gas to the nominal value (within
2
Restrictor Nominal CO
-
Ø 5,2 mm
C
D
Fig. 19
ARENA 30 C
at maximum power
2
9,5 %
10,2 %