20095002
24
GB
Installation
5.7
Securing the burner to the boiler
Separate the combustion head from the rest of the burner, as in
Fig. 19; proceed as follows:
loosen the 4 screws 3) and remove the hood 1);
remove the screws 2) from the two guides 5);
disconnect the plug 14), unscrew the grommet 15);
disconnect the socket from the maximum gas pressure
switch;
remove the two screws 4);
pull back the burner on the guides 5) by about 100 mm;
disconnect the electrode lead, then unthread the burner
completely from the guides.
Once this operation has been carried out:
fix the flange 9) to the boiler plate, interposing the insulating
gasket 8) supplied.
Use the 4 screws supplied, with a tightening torque of 35 -
40 Nm, after protecting their thread with anti-seize products.
Provide an adequate lifting system of the burner.
WARNING
The seal between burner and boiler must be air-
tight; after the start-up, check there is no leakage
of flue gases into the external environment.
100
mm
5
9
12
11
8
3
4
2
1
L
10
13
13
3
15
14
Fig. 19
D7950