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20
OPERATIONS TO BE
PERFORMED WHEN
SUBSTITUTING THE
INJECTORS
✓ Remove the gratings and the burner
covers;
✓ Using a wrench substitute the nozzle
injectors “J” (figs. 2.6a - 2.6b - 2.6c)
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.
Fig. 2.6a
Fig. 2.6b
Fig. 2.6c
INJECTORS TABLE
Semi-rapid
burner
Triple ring
burner
DUAL
burner
J
Injector for inner crown
J
Injectors for
outer crowns
J
J
(*) Power calculated only with inner crown operating
(#) Power calculated with inner and outer crowns operating
BURNERS
NOMINAL POWER
BTU/hr
REDUCED POWER
BTU/hr
LP/PROPANE
11" W.C.P.
NATURAL GAS
4" W.C.P.
Ø injector
[1/100 mm]
Ø injector
[1/100 mm]
Semi-rapid (SR)
6000 1500 72 118
Triple ring (TR)
12000 5000 102 170
Dual (D)
Inner crown
2800 for NATURAL GAS (*)
3500 for LP/PROPANE GAS (*)
1000 (*)
55
(no. 1 central)
80
(no. 1 central)
Outer crown
16000 for NATURAL GAS (#)
15000 for LP/PROPANE GAS (#)
6500 for NATURAL GAS (*)
4500 for LP/PROPANE GAS (*)
72
(no. 2 outer)
130
(no. 2 outer)