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6.2.1
Replacing the nozzle
Turn off the burner's power supply using the main
system switch.
DANGER
To replace the nozzle, proceed as follows:
loosen the nut 1) and take the burner out of the boiler.
Loosen the 3 screws 1)(Fig. 15) from the collar and remove
the blast tube 2);
loosen the screw 3) and disconnect the high voltage
cables 4);
remove the electrode-stabiliser unit 5);
fix the nozzle-holder 6) with the aid of the wrench, then
replace the nozzle 8);
loosen the nozzle with the aid of a size 16 wrench, and
replace it;
screw in the nozzle again, then reassemble the electrode/
stabiliser unit, respecting the position of the electrodes.(See
Fig. 22 on page 22).
Make sure the screw 3)(Fig. 17) is positioned in its
seat 7).
WARNING
6.3
Positioning the electrodes
The measurements shown in Fig. 16 must be re-
spected.
WARNING
Model
RDB2.2 BX E15/21
RDB2.2 BX E21/26
RDB2.2 BX V15/26
RDB2.2 BX VC26
RDB2.2 BX V26/36
RDB2.2 BX V36/46
RDB2.2 BX VC36
20139038
Start-up, calibration and operation of the burner
A
B
C
7
2.5
2.5 - 3
4.5
3
2 - 2.5
Tab. G
20139772
B
± 0 . 3
20142971
16
GB
1
20110522
1
2
5
3
8
7
6
4
Fig. 14
Fig. 15
C
Fig. 16
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