Smeg AS28I96L - Manual (Page 10)

Instructions for the installer
27
3.3 Regulation for natural gas
The hob has been inspected for G20 (2H) natural gas at a pressure of
20 mbar. To allow the unit to work with this type of gas, perform the same
operations described in paragraph “3.2 Regulation for LPG”, but choose
the nozzles and regulate the primary air for natural gas, as shown in the
following table and in paragraph “3.4 Regulation of primary air”.
Burner
Rated
heating
capacity
(kW)
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
Reduced flowrate
(W)
Top with front controls:
Auxiliary 1.05 73 380
Semi rapid 1.65 92 420
Rapid 2.55 115 650
Ultrarapid 3.25 130 1400
Top with side controls:
Auxiliary 1.05 73 380
Semi rapid 1.65 92 450
Rapid 2.55 115 650
Ultrarapid 3.25 130 1400
3.4 Regulation of primary air
Referred to distance “X” in mm.
BURNER G20
20 mbar
G30/G31
28/37 mbar
Top with front controls:
Auxiliary 2.5 2.5
Semi rapid 1.5 2
Rapid 2.5 2
Ultrarapid 1.5 2.5
Top with side controls:
Auxiliary 3 3
Semi rapid 2 1.7 (*)
Rapid 3 2.5
Ultrarapid 1.7 3 (**)
(*) Semi rapid, rear: 2.5
(**) Ultrarapid, front: 4