Page 6 of 17 – US –
In case of use with a gas other than that for which the
appliance was initially set up, it is
crucial
to replace the
orifices and modify the adjustments as defined below.
TOP BURNERS:
Orifice:
Lift the air ring
E
. Replace the injectors
F
in accordance
with Table 3 and Figure 10 (Ø in 1/100 mm).
The side burner bodies are kept in place by a transversal bar
(
H
, fig. 12). In order to take them out, unscrew screws
I
(fig. 13) then
G
(fig. 11).
Note:
When one or more nozzles are changed, the sealing
ring should be changed as well (see gas circuit diagram).
Adjustment of primary air:
Refit the burner bodies and burner caps in their respective
recesses, adjust the air ring
E
of the burner in accordance with the
Table 4 and Figure 10.
Note:
Normal flames are bluish green except for natural gas
flames which are violet.
Table 3
Burners
SR
R
I
UR
GAS
Pressure
Ø
Natural Gas
6" WC
0.90
1.30
1.45 1.70
L.P. propane
10" WC
0.65
0.90
1.05 1.20
Table 4
Burners
SF
F
I
UF
GAS
Pressure
Opening in mm/ inches
Natural Gas
6" WC
2.5 /
1
/
8
2.5 /
1
/
8
max
7 /
1
/
4
L.P. propane
10" WC 3.5/
1
/
8
max
max
max
12mm HEX
(
15
/
32
)
Fig. 10
F
E
2mm Allen
Set Screw
Fig. 11
G
H
Fig. 12
I
Fig. 13
7mm Hex
