Riello RDB 2.2 BX 15/21 - Positioning the Electrodes; Combustion Head Adjustment

19
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GB
Start-up, calibration and operation of the burner
6.4 Positioning the electrodes
Tab. H
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.
Tab. I
WARNING
The measurements shown in Fig. 17 must be re-
spected.
Model A B C
RDB 2.2 BX 15 - 21 7 2.5 2.5 - 3
RDB 2.2 BX 21 - 27
RDB 2.2 BX 27 - 33
4.5 3 2 - 2,5
±0.5
A
±0.3
B
C
Fig. 17
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Model X (mm) D
FULLY CLOSED 10 10
RDB 2.2 BX 15 - 21 12 12
RDB 2.2 BX 21 - 27 14 14
RDB 2.2 BX 27 - 33 18.5 18.5
D
X=10
X
1 mm
Fig. 18
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