Ariston Thermo SGA X 120 Instrucciones Para El Uso Y La Manutención página 33

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 as illustrated in the im-
age sequence.
The nozzle hole sizes (1/100 cm) are giv-
en in the following table.
Don't put anything among the nuzzle and
the inlet of Venturi pipe.
MODEL
GAS Methan (G20)
120 - 160
GAS liquid (G30 G31)
GAS Methan (G20)
200
GAS liquid (G30 G31)
WARNING!
In case of use of G30, G31 Gas, unscrew the valve n*14, fig. 5, by turning it anti-
clockwise for two rounds.
4
1. Gas valve
2. Temperature regulation
Knob
3. 1/2" G gas connection
4. Piezo igniter
5. Thermocouple
6. Ignition electrode
7. Pilot burner
8. Main burner
9. Main burner nozzle
10. Thermostat of
burner safety
GAS TYPE
9
3
IMPORTANT!
TO ADAPT THE WATER HEATER WITH
A GAS DIFFERENT FROM CALIBRA-
TION ONE YOU MUST PROCEED TO
CHANGE THE NOZZLES.
IT IS ADVISABLE TO EXECUTE THE
NOZZLES CHANGE BEFORE PRODUCT
INSTALLATION TO AVOID DISASSEM-
BLING THE GAS GROUP.
MAIN BURNER
ø mm
2.25
1.40
2.55
1.55
8
1
4 2
PILOT BURNER
ø mm
27_2
22_1
27_2
22_1
7
5
6
10
GB
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