Ferroli ARENA 30 A, Инструкция по установке и эксплуатации

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ARENA 30 A
25
Supply gas Restrictor
Methane (G20)
Propane (G31)
-
Ø 5,2 mm
Category
2H
3P
Nominal CO
2
at maximum power
9,5 %
10,2 %
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
2
content in the flue gas to the nominal value (within
+/- 0.1%) described in the following table:
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”
5 Unscrew the union nut between the gas valve and the gas inlet pipe
6 Remove the flexible inlet air pipe from the Venturi mouthpiece on the fan
C
D
B
A
F
Fig. 19