Instructions for the installer
43
9.3
Adjustment for natural gas
The hob is preset for natural gas G20 (2H) at a pressure of 20 mbar. To reset
the appliance for operation with this type of gas, carry out the same steps as
described in “9.2 Adjustment for LPG”, but select the nozzles and adjust the
primary air for natural gas as indicated in the table below and in "9.4 Primary air
adjustment”.
After the adjustments 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 capacity
(W)
Auxiliary (1)
1.05
73
380
Semi-rapid (2)
1.65
92
380
Rapid (3)
2.55
115
650
Rapid (4)
3.1
126
750
Ultra-rapid (5)
3.9
140
1400
9.4
Primary air adjustment
Refers to distance “
X
” in mm.
BURNER
G30/G31
28/37 mbar
G20
20 mbar
Auxiliary (1)
2.0
2.0
Semi-rapid (2)
1.5
1.5
Rapid (3)
5.0
2.0
Rapid (4)
10.0
2.5
Ultra-rapid (5)
4.0
2.0
To identify the burners on your hob, refer to the drawings in “9.6 Arrangement of the burners on the
cooking hob”.