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10) REPLACING THE INJECTORS
The burners can be adapted to different types of gas by mounting injectors suited to the type of gas in
question. To do this, first remove the burner tops using a an appropriate tool. Now unscrew injector (see
fig. 13 - 13/A) and fit a injector corresponding to the utilized type of gas in its place.
It is advisable to strongly tighten the injector in place.
To access the injector, in ultra-fast burners with DCC AFB, remove the injector cover "A" (fig.
13/A).
After the injectors have been replaced, the burners must be regulated as explained in paragraphs 9. The
technician must reset any seals on the regulating or pre-regulating devices.
The envelope with the injectors and the labels can be included in the kit, or at disposal to the authorized
customer Service Centre.
For the sake of convenience, the nominal rate table also lists the heat inputs of the burners, the diameter
of the injectors and the working pressures of the various types of gas.
BURNERS
N°
DESCRIPTION
ULTRA RAPID
1
(**DCC AFB)
2
RAPID
SEMIRAPID
3
REDUCED
4
SEMIRAPID
5
AUXILIARY
*In accordance with Regulation No. 66/2014 EU measures for the implementation of Directive 2009/125/EC, the
performance (EEgas burner) was calculated according to EN 30-2-1 last review with the G20.
**DCC AFB: Air from the bottom (fig. 13/A).
FIG. 13
CONVERSIONS
NORMAL
PRESSURE
GAS
mbar
37
G30 - BUTAN
20
G20 - NATURAL
G30 - BUTAN
37
G20 - NATURAL
20
G30 - BUTAN
37
G20 - NATURAL
20
G30 - BUTAN
37
G20 - NATURAL
20
G30 - BUTAN
37
20
G20 - NATURAL
TABLE
NORMAL
INJECTOR
RATE
DIAMETER
gr/h
l/h
1/100 mm
291
92 S4
381
150 Z1
204
79
117 S
267
102
58
88 Z
133
127
63
167
97 Z
73
48
95
72 X
15
NOMINAL HEAT INPUT (W)
Min.
Max.
E.E
Gas Burner*
1800
4000
55,9 %
1800
4000
900
2800
58,0 %
900
2800
550
1400
60,0 %
550
1400
550
1750
63,0 %
550
1750
450
1000
N.A.
450
1000
FIG. 13/A
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