Operating Position; Preparing The Boiler; Boring The Boiler Plate - Riello RL 42 BLU Installation, Use And Maintenance Instructions

5.4

Operating position

The burner is designed to work only in the posi-
tions 1, 2, 3 and 4 (Fig. 8).
Installation 1 is preferable, as it is the only one
WARNING
that allows the maintenance operations as de-
scribed in this manual.
Installations 2, 3 and 4 allow the working, but
make the operations of maintenance and check-
ing of the combustion head more difficult pag. 18.
1
Before assembling the casing, it is necessary to
fix the engine protection supplied 1)(Fig. 9) onto
the bracket 2) using the appropriate screws 3)
WARNING with a nut and a washer.
Fix the bracket to the front shield of the burner, us-
ing the screws 4).
5.5

Preparing the boiler

5.5.1

Boring the boiler plate

Drill the combustion chamber locking plate as shown in Fig. 10.
The position of the threaded holes can be marked using the ther-
mal screen supplied with the burner.
mm
RL 42 BLU
20023224
2
A B
185 275 - 325 M12
Installation
Any other position could compromise the correct
working of the appliance.
Installation 5 is forbidden, for safety reasons.
DANGER
3
D7466
C
Tab. E
12 GB
4 5
D7648
4
D455
Fig. 8
2
1
3
Fig. 9
Fig. 10