6
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.
dRegulating 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
SS
R
A
K3G51S/HU
Table1 (For Hungary) G 20 G 25.1 G 30
Burner Diameter
(mm) By-pass
1/100 (mm) Thermal
power kW
Reduced
Nozzle
1/100
(mm)
Thermal
power kW
Nominal
Flow*
l/h Nozzle
1/100
(mm)
Thermal
power kW Flow*
l/h Nozzle
1/100
(mm)
Thermal
power kW
Nominal
Flow*
g/h
Fast (R) 100 41 0.80 128 3,30 314 128 2,85 262 87 3,00 218
Semi Fast (S) 75 30 0.50 104 2,10 200 104 1,95 179 70 1,90 138
Auxiliary (A) 51 30 0,50 76 1,15 109 76 1,05 97 52 1,00 73
Supply pressures Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
25
20
30
25
20
30
30
20
35
* At 15°C and 1013 mbar-dry gas
P.C.S. G20 37,78 MJ/m3
P.C.S. G25.1 39,11 MJ/m3
P.C.S. G30 49,47 MJ/kg