Adjustment For Natural Gas; Primary Air Adjustment - Smeg SR764AO Manual

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
Auxiliary (1)
Semi-rapid (2)
Rapid (3)
Rapid (4)
Ultra-rapid (5)
9.4

Primary air adjustment

Refers to distance "X" in mm.
To identify the burners on your hob, refer to the drawings in "9.6 Arrangement of the burners on the
cooking hob".
Instructions for the installer
Rated
heating
capacity
(kW)
1.05
1.65
2.55
3.1
3.9
BURNER
Auxiliary (1)
Semi-rapid (2)
Rapid (3)
Rapid (4)
Ultra-rapid (5)
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
73
92
115
126
140
G30/G31
28/37 mbar
2.0
1.5
5.0
10.0
4.0
Reduced capacity
(W)
380
380
650
750
1400
G20
20 mbar
2.0
1.5
2.0
2.5
2.0
43