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6.4
Positioning the electrodes
The measurements shown in Fig. 17 must be re-
spected.
WARNING
B
± 0 . 3
6.5
Combustion head adjustment
The combustion head is adjusted in the factory.
Make sure these adjustments comply with the values indicated in
Tab. G on page 17.
Adjustments on the basis of the required output (Fig. 18) can be
made by rotating the adjustment knob 15)(Fig. 2 on page 9).
~
1 complete rotation =
1 millimetre.
D
20142969
Start-up, calibration and operation of the burner
Model
RDB 2.2 BX 15 - 21
RDB 2.2 BX 21 - 27
RDB 2.2 BX 27 - 33
20142971
Model
FULLY CLOSED
RDB 2.2 BX 15 - 21
RDB 2.2 BX 21 - 27
RDB 2.2 BX 27 - 33
19
GB
A
B
7
2.5
4.5
3
C
X (mm)
10
12
14
18.5
X=10
X
1 m m
C
2.5 - 3
2 - 2,5
Tab. H
Fig. 17
D
10
12
14
18.5
Tab. I
Fig. 18
20113295
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