Riello RDB2.2R BG1 BLU 21 - Boiler Fixing; Burner Assembly

13
20141254
GB
Installation
5.6 Boiler fixing
 Fix the bolt 6) and nut 7) onto the flange 1) as in Fig. 5.
 Fix the flange (1) to the appliance 4) using the supplied nuts
3) with the gasket 5) inbetween as in Fig. 6.
 Insert the burner tube through the flange and push to ensure
full insertion.
With the burner collar fully inserted into the flange the O-ring
will form a seal.
 Fix the securing nut 8)(Fig. 6) onto the bolt 6).
5.7 Burner assembly
BF application
In case of applying BF (Fig. 7), the air supply takes place by
means of a flexible hose connected to the air intake A).
WARNING
The seal between burner and boiler must be
airtight.
1
Fig. 5
8
7
6
Fig. 6
3
1
5
4
CAUTION
The temperature of the incoming air must not
exceed 70°C.
WARNING
For correct BF application, the burner must be in-
stalled on an appropriate BF boiler.
A
Fig. 7