
17
b) 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.
c) 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”.
Burner and nozzle characteristics
Table 1 Natural Gas GZ 50 Natural Gas GZ 35 GPB-B
Burner Diameter
(mm)
Thermal power
(p.c.i.*)
Nozzle
1/100
Flow*
l/h
Nozzle
1/100
Flow*
l/h
Nozzle
1/100
Flow*
g/h
kW (mm) (mm) (mm)
Fast (Large)(R) 100 2,7 116 285 158 398 86 225
Semi Fast
(Medium) (S)
75 1,7 106 180 143 251 70 142
Auxiliary (Small)
(A)
55 0,9 79 95 106 133 50 75
Supply
Pressures
Minimum (mbar)
Nominal (mbar)
Maximum (mbar)
16
20
25
10
13
16
29
36
44
* A 0°C e 1013 mbar-dry gas
GZ 50 p.c.i. 35.9 MJ/m³
GZ 35 p.c.i. 25.8 MJ/m³
GPB-B p.c.i. 123.6 MJ/m³
S
S
R
A
C 345 E.2 U
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