13
20040559
GB
Installation
5.4
Operating position
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.
Tab. F
WARNING
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
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.
DANGER
Any other position could compromise the cor-
rect operation of the appliance.
Installation
5
is prohibited for safety reasons.
2
3
4
5
1
Fig. 7
D3928
WARNING
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.
Fix the bracket to the front shield of the burner
with screw 4).
4
3
1
2
D7648
Fig. 8
mm
A
B
C
RS 55/M BLU
195
275 - 325
M12
Fig. 9
D455
