Regulation For Natural Gas; Regulation Of Primary Air - Smeg GCS90XG Instruction Manual

5.3 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 "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
Auxiliary (1)
Semi-rapid (2)
Rapid (3)
Double crown internal (5)
external (5)

5.4 Regulation of primary air

Referred to distance "X" in mm.
BURNER
Auxiliary (1)
Semi-rapid (2)
Rapid (3)
Double crown
To identify the burners on your hob, refer to the drawings in point
Arrangement of burners on hob "
Instructions for the installer
Rated
heating
capacity
(kW)
1.05
1.65
3.1
1.05
3.9
internal (5)
external (5)
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
73
92
126
73
140
G20
20 mbar
1.5
2.0
2.5
4.5
3.0
Reduced flowrate
(W)
380
380
750
380
1200
G30/G31
28/37 mbar
2.0
2.0
9.0
6.0
10.0
"6.3
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