Preparing The Boiler; Boring The Boiler Plate; Blast Tube Length; Boiler Fixing - Riello 20122858 Installation, Use And Maintenance Instructions

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.
Model
DB 1 SM C03
DB 2 SM C03
5.7

Boiler fixing

Fig. 13 indicates how to attach the burner to a boiler equipped
with a non-cooled frontal piece.
However, the refractory wall must not extend beyond the end of
the combustion head of the burner.
20118862
D455
A B
230 325 - 368
230 325 - 368
20119310
Installation
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 front flue passes (Fig. 13), or with a flame inver-
sion chamber, a protection in refractory material must be made to
allow the blast tube to be extracted.
For boilers with a water-cooled frontal, a refractory lining is not
necessary unless expressly requested of the boiler manufac-
turer.
Fig. 12
C
M16
M16
Tab. G
WARNING
16 GB
The seal between burner and boiler must be
airtight.
REFRACTORY
2 5 0 m a x
Fig. 13