Securing The Burner To The Boiler; Combustion Head Adjustment - Riello RS 34/E MZ Installation, Use And Maintenance Instructions

5.7

Securing the burner to the boiler

Provide an adequate lifting system of the burner.
Separate the combustion head from the rest of the burner, as in
Fig. 17; proceed as follows:
 loosen the screws 3) and remove the cover 1);
 remove the screws 2) from the two guides 5);
 disconnect the plug 14), unscrew the grommet 15);
 remove the screw 4);
12
11
9
10
D8010
5.8

Combustion head adjustment

At this point of the installation, the combustion head is fixed to the
boiler as shown in Fig. 15.
It is therefore especially easy to adjust, and this adjustment de-
pends only on the maximum output of the burner.
In the diagram (Fig. 18) find the notch at which to adjust the com-
bustion head.
20068131
Installation
13
5
13
15
24
 pull back the burner on the guides 5) by about 100 mm;
 disconnect the probe and electrode leads, then unthread the
burner completely from the guides 5).
 Fix the flange 9) to the boiler plate, interposing the supplied
insulating gasket 8).
 Use the 4 screws supplied, with a tightening torque of 35 ÷
40 Nm, after protecting their thread with anti-seize products.
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.
WARNING
8
4
14
No. notches
GB
2
1
3
Max burner output
Fig. 17
D3837
Fig. 18