Ariston Thermo S/SGA X 50 Instrucciones Para El Uso Y La Manutención página 30

GB
RESERVED FOR INSTALLATION PERSONNEL
Instructions for conversion of the fuel gas from the original settings: from Natural
gas (G20) to liquefi ed gas LPG (G30-G31) with Gas valve Model EUROSIT
To adapt the water heater to a type of
gas diff ering from that set originally, pro-
ceed as follows:
• Replace nozzle 1 of the main burner,
fi g. H.
Unscrew and extract nozzle 1 and re-
place it the new one.
• Undo fi tting 4, fi g. L. and pull the tube
outwards. Replace pilot nozzle 3 with
the correct one.
Fit and secure fi tting 4.
• The nozzle hole sizes (1/100 cm) are
given in the following table.
Don't put anything among the nuzzle and
the inlet of Venturi pipe.
MODELLI
Methane (G20)
Liquid Gas (G30 G31)
ADJUSTING THE PILOT FLAME
(EUROSIT valve)
Adjust by acting on screw 12 in fi gure S.
The pilot fl ame is correctly adjusted
when its length is approximately 2-3 cm
and the fl ame touches the upper part of
the thermocouple.
30
H
1
L
MAIN BURNER
50 80-100-120
205
110
WARNING!
In case of use of G30, G31 or G27 Gas,
unscrew the valve n*14, fi g. S, by tur-
ning it anti-clockwise for two rounds
3
4
PILOT
BURNER
50-80-100-120
205 27x2
110 22x1