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6
Adapting the cooker to different types of gas
In order to adapt the cooker to a different type of gas with
respect to the gas for which it was produced (indicated on
the label attached to the lid), follow these steps:
a) replace the hose holder mounted on the appliance with
that supplied in the bag of “cooker accessories”.
Important: the hose holder for liquid gas is marked 8, the
hose holder for methane gas is marked 13. Always fit the
sealing gasket.
b) Replacing the burner nozzles on the hob:
• remove the grids and slide the burners from their
housings;
• unscrew the nozzles using a 7 mm socket spanner,
and replace them with nozzles for the new type of gas
(see table 1 “Burner and nozzle characteristics”).
• replace all the components by repeating the steps in
reverse order.
c) Minimum regulation of the hob burners:
•
turn the tap to minimum;
• remove the knob and adjust the regulation screw, which
is positioned in or next to the tap pin, until the flame is
small but steady.
N.B.: in the case of liquid gas, the regulation screw
must be screwed in to the bottom.
• check that the flame does not turn off when you turn
the tap quickly from high to low.
d Regulating the primary air of the burners:
The primary air of the burners requires no regulation.
Important
On completion of the operation, replace the old rating
sticker with one indicating the new type of gas used. This
sticker is available from our Service Centres.
Note
Should the pressure of the gas used be different (or vary)
from the recommended pressure, it is necessary to fit a
suitable pressure regulator onto the inlet pipe in
compliance with current National Regulations relative to
“regulators for channelled gas”.
* At 15°C and 1013 mbar- dry gas
** Propane P.C.S. = 50,37 MJ/Kg
*** Butane P.C.S. = 49,47 MJ/Kg
Natural P.C.S. = 37,78 MJ/m
3
Burner and nozzle characteristics
Table 1 Liquid Gas Natural Gas
Burner Diameter
(mm)
Thermal Power
kW (p.c.s.*)
By-Pass
1/100
Nozzle
1/100
Flow*
g/h
Nozzle
1/100
Flow*
l/h
Nominal Reduced (mm) (mm) *** ** (mm)
Fast
(Large)(R)
100 3.00 0.7 41 86 218 214 116 286
Semi Fast
(Medium)(S)
75 1.90 0.4 30 70 138 136 106 181
Auxiliary
(Small)(A)
55 1.00 0.4 30 50 73 71 79 95
Supply
Pressures
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
28-30
20
35
37
25
45
20
17
25
K3G11/G
S
S
R
A