Riello RS 1000/EV BLU, Installation, Use And Maintenance Instructions

Page: 20 / 48

20123781
18 GB
Installation
5.4 Operating position
5.5 Removing the shutter lockout screws
5.6 Preparing the boiler
5.6.1 Boring the boiler plate
Pierce the closing plate of the combustion chamber, as in Fig. 15.
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. 16) 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. 16) is not necessary, unless expressly requested by the
boiler manufacturer.
Tab. H
WARNING

The burner is designed to operate only in
positions
1 , 2 , 3 and 4 (Fig. 13).

Installation 1 is preferable, as it is the only
one that allows the maintenance operations
as described in this manual.

Installations 2 , 3 and 4 permit operation but
make maintenance and inspection of the
combustion head more difficult.
DANGER

Any other position could compromise the cor-
rect operation of the appliance.

Installation 5 is prohibited for safety reasons.
2 3 4 5 1
20062309
Fig. 13
WARNING
Remove the screws 1)-2) and nuts before fitting
the burner onto the boiler (Fig. 14).
Replace them with screws 3) M12x25 supplied as
standard.
Fig. 14
20061924
mm A B C
RS 1000/EV BLU 460 608 M 20
RS 1200/EV BLU 500 608 M 20
Fig. 15
D455