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Instructions for the installer
31
5.3 Regulation for natural gas
The hob has been inspected for G25 (2L3B/P) at a pressure of 25
mbar. To allow the unit to work with this type of gas, perform the same
operations described in paragraph “5.2 Regulation for LPG”, but
choose the nozzles and regulate the primary air for natural gas, as
shown in the following table and in paragraph “5.4 Regulation of
primary air”. After the regulations have been carried out, restore the
seals with sealing wax or equivalent material.
Burner
Rated
heating
capacity
Natural gas – G25 25 mbar
Nozzle diameter
1/100 mm
Reduced flowrate
(W)
Auxiliary 1.05 76 380
Semirapid 1.65 98 380
Rapid 2.7 123 650
Rapid large 3.1 130 750
Ultra rapid 3.3 135 1200
Internal
0.8 67 380
Double
crown
External
3.3 135 1200
Fish pan 2.15 110 750
5.4 Regulation of primary air
Referred to distance “X” in mm.
Burner
G25
25 mbar
G30/G31
28/37 mbar
Auxiliary 1.0 1.0
Semirapid 1.0 1.5
Rapid 0.5 1.5
Rapid large 1.5 10.0
Ultra rapid 1.5 2.5
Internal 4.0 1.0 Double
crown
(6)
External 0.5 8.0
Internal 1.0 1.5 Double
crown
(9)
External 1.0 4.0
Fish pan 1.5 2.5
(*) For burner reference numbers, see page 33.