
17
flame is small but steady.
N.B.: In the case of liquid gas, the regulation screw
must be screwed in all the way.
• Check that the flame does not go out when you turn
the tap quickly from high to low.
d) Regulating the primary air of the burners: the primary
air of the burners does not need to be regulated.
Burner and Nozzle Specifications
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 (R) 100 3,00 0,70 41 86 218 214 116 286
Semi Fast (S) 75 1.90 0.40 30 70 138 136 106 181
Auxiliary (A) 55 1.00 0.40 30 50 73 71 79 95
Triple Crown
(TC)
130 3.25 1.50 63 91 236 232 133 309
Supply
Pressures
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
28-30
20
35
37
25
45
20
17
25
* 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
TC
A
S
R
K 647 PS.C/I
Important
On completion of this 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 compli-
ance with current standards regarding “regulators for chan-
nelled gas.”
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