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7
Pay particular attention to the plug wires and
thermocouple tubes.
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”.
* 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
Burner and nozzle characteristics
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
(Large)(R)
100 3.00 0.7 41 87 218 214 128 286
Semi Fast
(Medium)(S)
75 1.90 0.4 30 70 138 136 104 181
Auxiliary
(Small)(A)
51 1.00 0.4 30 52 73 71 76 95
Oven - 3.10 1.0 46 85 225 221 132 295
Grill - 2.50 - - 80 182 179 122 227
Supply
Pressures
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
28-30
20
35
37
25
45
20
17
25
K3G2/G
K3G21/G
K3G21S/IR
S
S
R
A