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Instructions for the Installer
28
5.4 Adjusting for natural gas
The appliance is tested with G20 (2H) natural gas at the pressure of 20 mbar. To return the
appliance to the condition required to use this type of gas, proceed as described in point “5.2
Adjusting for bottled gas” but select the nozzles and adjust the primary air flow for natural gas,
as indicated in the table below and in point “5.5 Adjusting the primary air flow”.
Burner
Nominal
heat
capacity
(kW)
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
Reduced heat capacity
(W)
Auxiliary 1.05 132 400
Semi rapid 1.7 165 500
Rapid (3) 3.5 250 900
Rapid (7) 2.9 230 1.05
Rapid (6) 3.1 240 900
Ultra-Rapid 4.2 300 1100
Internal 0.9 126 400 Double
Crown (4)
External 3.3 250 1200
Internal 0.9 126 400 Double
Crown (8)
External 4.0 140 1200
5.5 Adjusting the primary air flow
Refers to the gap “X” in mm.
BURNER
G20
20 mbar
G30/G31
30/37 mbar
G110
8 mbar
Auxiliary 2.0 10.0 1.0
Semi rapid 2.0 10.0 1.5
Rapid (3) 2.5 8.0 2.0
Rapid (7)
2.5 8.0 1.5
Rapid (6)
2.5 10.0 1.0
Ultra-Rapido
2.5 12.0 5.0
Internal 5.0 5.0 1.0 Double
Crown (4)
External
10.0 10.0 2.5
Internal 5.0 5.0 1.0
Double
Crown (8)
External
13.0 13.0 3.5
To identify the burners on your hob, refer to the drawings in point “5.8 Hob burner
layout”
5.6 Reassembling the hob skin
Reverse the procedure described in point “5.1 Removing the hob skin ”.
When replacing the burner rings, bear in mind that they must be fully tightened using
the spanner provided.
Put the pan stands back in place, fitting first those at the side and then the central one.