Ariston Euro Combi A/27 MFFI Servicing Instructions page 11

Regulating the heating power for
natural gas (G20)
Regulating the heating power for
butane gas (G30)
Regulating the heating power for
propane gas (G31)
TABLE "A"
GAS REQUIREMENTS
Gas rate
Gas rate
Inlet pressure
Burner pressure
Burner pressure
Burner injectors
B029
model 23
model 27
model 23
model 27
40
38
36
34
model 23
model 27
NATURAL GAS (G20)
3
3.0 m /h 106.0 ft
max
3 3
min
1.2 m /h 42.3 ft
20 mbar 7.8 in w .g.
max 12.3 mbar 4.8 in w.g.
2.0 mbar 0.8 in w.g.
min
13 x 1.25
BUTANE GAS (G30)
3 3 3
/h 0.88 m /h 31.1 ft /h
3 3
/h 0.35 m /h 12.3 ft /h
28 mbar 10.9 in w.g.
28 mbar 10.9 in w.g.
5.1 mbar 2.0 in w.g.
13 x 0.72
PROPANE GAS (G31)
3 3
1.15 m /h 40.6 ft /h
3 3
0.46 m /h 16.2 ft /h
14.4 in w .g.
37 mbar
37 mbar 14.4 in w .g.
7.0 mbar 2.7 in w.g.
13 x 0.72
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