5.4
Operating position
The burner is designed to operate only in
positions 1, 2, 3 and 4 (Fig. 7).
Installation 1 is preferable, as it is the only
WARNING
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.
D3928
The standard equipment motor protection
1)(Fig. 8), must be fixed on the bracket 2) using
the appropriate screws 3) with nut and washer
before fitting the casing.
WARNING
Fix the bracket to the front shield of the burner
with screw 4).
5.5
Preparing the boiler
5.5.1
Boring the boiler plate
Pierce the closing plate of the combustion chamber, as in Fig. 9.
The position of the threaded holes can be marked using the ther-
mal insulation screen supplied with the burner.
Installation
1
2
Any other position could compromise the cor-
rect operation of the appliance.
Installation 5 is prohibited for safety reasons.
DANGER
3
4
D7648
mm
RS 55/M BLU
13
GB
5
2
1
4
D455
A
B
195
275 - 325
Fig. 7
3
Fig. 8
Fig. 9
C
M12
Tab. F
20040559