Smeg GKCO64-3 - Manual (Page 11)

Instructions for the installer
31
5.3 Regulation for G25/25 mbar
The hob has been inspected for G25 (2L 3B/P) at a pressure of 25 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)
G25 25 mbar
Nozzle diameter
1/100 mm
Reduced flowrate
(W)
Auxiliary (1) 1.05 76 380
Semi-rapid (2) 1.65 98 380
Rapid (3) 3.1 130 750
Ultra rapid (4 - 7) 3.3 135 1200
internal (5) 1.05 76 380 Double crown
internal (5) 3.9 150 1200
Fish pan (6) 2.9 126 800
5.4 Regulation of primary air
Referred to distance “X” in mm.
BURNER
G25
25 mbar
G30/G31
28/37 mbar
Auxiliary (1) 1.5 2.0
Semi-rapid (2) 1.5 2.0
Rapid (3) 2.0 9.0
Ultra rapid (4) 1.5 3.0
Ultra rapid (7) 1.5 2.5
internal (5) 3.0 6.0
Double crown
external (5) 3.0 10.0
Fish pan (6) 1.0 3.5
(*) For burner reference numbers, see page 33.