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4.5
Boiler plate
Drill the combustion chamber mounting plate as shown in Fig. 11.
The position of the threaded holes can be marked using the gasket
supplied with the burner.
inch
A
25
RLS 300/EV FGR
13
RLS 400/EV FGR
13
25
RLS 500/EV FGR
15
11
RLS 650/EV FGR
17
5
/
RLS 800/EV FGR
17
5
/
4.6
Securing the burner to the boiler
4.6.1
Blast tube length
The length of the blast tube must be selected according to the indi-
cations provided by the manufacturer of the boiler, and in any case
it must be greater than the thickness of the boiler door complete
with its fettling (the head should not jut out more than 4 ÷ 5 inch
Fig. 12).
REFRACTORY MATERIAL
D10002
20102963
B
51
3
/
17
/
/
32"
64"
4"
/
17
51
/
3
/
32"
64"
4"
/
17
51
/
3
/
32"
64"
4"
19
31
/
3
/
16"
64"
4"
19
31
/
3
/
16"
64"
4"
4 ÷ 6 "
Installation
C
coarse
coarse
coarse
coarse
coarse
4.6.2
Burner securing
Create a suitable hoisting system by hooking onto the rings 4),
removing the fastening screws 1) securing the cover 2) first.
Slip the thermal protection onto the blast tube 3).
Place entire burner on the boiler hole (arranged previously,
see Fig. 11), and fasten with the screws given as standard
equipment.
The coupling of the burner-boiler must be airtight.
4.6.3
Accessibility to the interior of the combustion
head
In order to reach inside the combustion head proceed as follows:
RLS 300 - 400 - 500/EV FGR model (Fig. 13)
open burner at hinge (Fig. 13) after removing the 4 screws 1);
disconnect the wires 2) from the electrodes;
disconnect the oil pipes by unscrewing the two connectors 3);
unscrew the under part of the elbow 4) until it comes free of its
slot.
Extract the internal part 5) of the combustion head.
While unscrewing, some fuel may leak out.
Fig. 12
WARNING
2
1
5
A
1
4
22
GB
D455
D3508
3
Fig. 11
Fig. 13
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