Instructions for the installer, 3 regulation for natural gas, 4 regulation of primary air – Smeg ER12550NL User Manual
Page 10: Referred to distance “ x ” in mm
Instructions for the installer
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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
Rated heating
capacity
(kW)
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
Reduced flowrate
(W)
Auxiliary (1)
1.05
73
380
Triple crown (2)
3.3
130
1200
internal (3)
0.8
115
380
Double crown
external (3)
3.3
250
1200
5.4 Regulation of primary air
Referred to distance “X” in mm.
BURNER
G20
20 mbar
G30/G31
28/37 mbar
Auxiliary (1)
1.5
2
Triple crown (2)
1.5
3
internal (3)
8.5
9
Double crown
external (3)
1
9