13
20079566
GB
Installation
5.6
Securing the burner to the boiler
The burners are supplied with the combustion head and elec-
trodes already assembled.
Before fixing the burner to the boiler, make sure the probe and
electrodes are positioned correctly as in Fig. 10.
In order to fix the burner to the boiler, proceed as follows:
➤
Secure the pipe of the train 18) to the threaded joint of the
gas mixer 21) using a suitable sealant for the gas seals.
➤
Fix the gas valve 20) to the flange (Fig. 11) using the 4
screws 18)(Fig. 11) supplied as standard.
➤
Be aware of the presence of the gasket 19)(Fig. 11) and the
gas seal.
➤
Screw the studs 2)(Fig. 12) onto the boiler plate 1)(Fig. 12).
➤
Position the refractory gasket 3)(Fig. 12) and the silicone
rubber gasket 4)(Fig. 12).
➤
Fix the flange 4)(Fig. 12) to the boiler plate and tighten the
nuts 5)(Fig. 12).
➤
During this operation, take care not to touch the electrode
unit.
Provide an adequate lifting system.
WARNING
The seal between burner and boiler must be
airtight.
6 mm
9 mm
4
-
5
m
m
20047399
Fig. 10
Fig. 11
20
19
18
21
20079511
1
2
3
4
5
D8666
Fig. 12
