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REGULATING THE MINIMUM FLAME
After lighting the burners, turn the control knob to the minimum setting and then remo-
ve the knob (this can easily be removed by apply a gentle pressure).
Using a small «Terminal» type screwdriver the regulating screw can be adjusted as in
Fig. 9. Turning the screw clockwise reduces the gas flow, whilst turning it anticlockwise
increases the flow – Use this adjustment to obtain a flame of approximately 3 to 4 mm
in length and then replace the control knob.
When the gas supply available is LPG (Bottle gas)- the screw to set the idle flame must
be turned (clockwise) to the end stop.
Screws regulating
(for differend models)
8
Fig. 9
Fig. 7 Fig. 8
BURNER
BURNER CAP
AIR REGULATION
SCREW
FIXING
SCREW
SMALL
MEDIUM
LARGE
DOUBLE RING
MAXI
FISH
For dimensions «X» see table of gas consumption
SETTING OF THE GAS BURNERS
When the jets have been changed it is necessary to set the correct air gap by keeping
to the setting “X” as shown in the table “ gas consumption” fig 7. Warning the value of ‘
X ‘ setting varies in relation to the size of gas burner and type of gas chosen.
A good flame must be of medium length (fig.8B), excessive air will cause the flame to
be short and with sharp colour (fig.8C): in this case it is necessary to extend out the tu-
be for the air setting from the burner body, if there is insufficient air the flame will ap-
pear weak and long (fig. 8A): in this case push the tube of the air setting back into the
burner body. To adjust the air setting tube loosen the retaining screw.
Once the air is correctly set secure the screw over the tube ( fig. 7).
GBIE
reg.
air
4 mm
2 mm
15 mm
13 mm
15 mm
Working
burner
large
medium
maxi
double ring
fish
Ø gas jet
1/100 mm
120
93
2x94
2x94
2x94
Ø gas jet
1/100 mm
80
61
2x65
2x65
2x65
STD. Dim
kW
2,65
1,5
3,3
3,3
3,3
l/h
G20
252
143
314
314
314
g/h
G30
193
109
238
238
238
g/h
G31
189
107
236
236
236
Qn
kW
2,5
1,45
3,1
3,1
3,1
l/h
G25
277
161
343
343
343
min.Dim
kW
0,65
0,38
0,9
0,9
0,9
reg.
air
4 mm
2 mm
15 mm
13 mm
15 mm
reg.
air
2 mm
5 mm
0 mm
0 mm
0 mm
G20 G30 G25 G31
G30
G31
G20/G25
G20 20mbar
G30 29mbar
G31 37mbar
G25
25mbar
X dimension according
to Gas type
Table of gas consumption 1W = 0,860 kcal/h
reg.
air
5 mm
7 mm
15 mm
15 mm
15 mm