Table of Contents
Advertisement
5.4
Operating position
The burner is designed to work only in posi-
tions 1 and 4 (Fig. 10).
Installation 1 is preferable, as it is the only
one that allows the maintenance operations
WARNING
as described in this manual.
The installation 4 permits the operation, but
makes the maintenance and inspection oper-
ations of the combustion head more difficult.
Any other position could compromise the cor-
rect operation of the appliance.
Installation 5 is prohibited for safety reasons.
DANGER
5.5
Removing the shutter lockout screws
Remove the screws 1)-2) and nuts before fitting the burner onto
the boiler (Fig. 11). Replace them with the screws 3) M12x16
supplied as standard.
5.6
Preparing the boiler
5.6.1
Boring the boiler plate
Pierce the closing plate of the combustion chamber, as in Fig. 12.
The position of the threaded holes can be marked using the ther-
mal insulation screen supplied with the burner.
5.6.2
Blast tube length
The length of the blast tube must be selected according to the in-
dications provided by the manufacturer of the boiler, and in any
case it must be greater than the thickness of the boiler door com-
plete with its fettling.
For boilers with a front flue gas passes 1)(Fig. 13) or flame inver-
sion chamber, a protection device in refractory material 5) must
be inserted between the boiler fettling 2) and the blast tube 4).
This protective fettling must not compromise the extraction of the
blast tube.
For boilers with a water-cooled front piece, a refractory lining 2)-
5)(Fig. 13) is not necessary, unless expressly requested by the
boiler manufacturer.
20124044
Installation
1
20094550
18
GB
2
3
4
1
2
20094549
2
1
6 4 5
= =
2 1 5
= =
5
20124709
Fig. 10
3
3
Fig. 11
2 0
Fig. 12
Advertisement
Table of Contents
