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17
REGULATING THE BURNER MINIMUM SETTING
When switching from one type of gas to another, the minimum flow rate must also be
correct: the flame should not go out even when passing suddenly from maximum to
minimum flame.
To regulate the flame follow the instructions below:
– Light the burner
– Set the gas valve to minimum
On gas valves provided with adjustment screw in the centre of the shaft (fig. 5.7):
– Using a screwdriver with max. diameter 3 mm, turn the screw inside the tap until the
correct setting is obtained.
For LP/PROPANE gas, tighten the adjustment screw completely.
After regulation repeat the operations indicated in paragraph “2. Pressure regulator” at
page 12.
If the cooktop has been disconnected and then connected again to the gas supply line
repeat the operations indicated in paragraph “5. Leak Testing” at page 16.
OPERATIONS TO BE PERFORMED WHEN SUBSTITUTING
THE INJECTORS
✓ Remove the gratings, the burner covers and the knobs;
✓ Using a wrench substitute the nozzle injectors “J” (fig. 5.6) with those most suitable
for the kind of gas for which it is to be used.
The burner are conceived in such a way so as not to require the regulation of the
primary air.
ቦ
INJECTORS TABLE
NOMINAL
POWER
REDUCED
POWER
LP/PROPANE
11” W.C.P.
NATURAL GAS
4” W.C.P.
BURNERS
BTU/hr BTU/hr
Ø injector
[1/100 mm]
By-pass
[1/100 mm]
Ø injector
[1/100 mm]
By-pass
[1/100 mm]
Semi-rapid (SR)
6000 1500 72
34
(
*
)
118
adjustable
Rapid (R)
10000 2000 94
44
(
*
)
155
adjustable
(
*
)
34: brown coloured
44: green coloured
Fig. 5.7
Fig. 5.6
J