Boiler Fixing; Burner Assembly - Riello RDB2.2R BG1 BLU 21 Installation, Use And Maintenance Instructions

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).
The seal between burner and boiler must be
airtight.
WARNING
5.7

Burner assembly

BF application
The temperature of the incoming air must not
exceed 70°C.
CAUTION
For correct BF application, the burner must be in-
stalled on an appropriate BF boiler.
WARNING
In case of applying BF (Fig. 7), the air supply takes place by
means of a flexible hose connected to the air intake A).
Installation
5
1
8
3 4
13 GB
6
7
1
Fig. 5
Fig. 6
A
Fig. 7
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