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7
V
I
Fig. E Fig. F
Important: when mounting the grill burner check that there
is a space of at least 4 mm between the security
thermocouple (if installed) and the burner.
4
m
m
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
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 86 218 214 116 286
Semi Fast
(Medium)(S)
75 1.90 0.4 30 70 138 136 106 181
Auxiliary
(Small)(A)
55 1.00 0.4 30 50 73 71 79 95
Triple Crown
(TC)
130 3.25 1.5 63 91 236 232 133 309
Oven - 3.02 1.0 49 85 219 216 132 288
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
* 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
S
S
R
A
TC
A
S
R
K 642 G/G K 647 GS/G
K 642 GS/G