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inch
A
RLS 70/E
9 / 32
27 / 32
7
"
10
" - 12
RLS 100/E 7
21 / 32
"
10
27 / 32
" - 12
RLS 130/E 7
21 / 32
"
10
27 / 32
" - 12
(A)
(B)
(C)
Nozzle
size
145 PSI
5.00
5.50
6.00
6.50
7.00
7.50
8.00
8.30
10.21
8.50
10.47
9.00
11.08
9.50
11.69
10.0
10.5
12.94
11.0
13.54
12.0
14.76
12.3
15.15
13.0
16.01
13.8
14.0
17.23
15.0
18.48
15.3
18.83
16.0
19.69
17.0
20.94
(D)
(E)
B
C
25 / 32
W
"
1 / 2
25 / 32
"
1 / 2
W
25 / 32
"
1 / 2
W
GPH
174 PSI
203 PSI
6.15
6.79
7.4
6.76
7.46
8.13
7.4
8.17
8.87
8.01
8.84
9.61
8.61
9.51
10.34
9.22
10.18
11.08
9.86
10.86
11.82
11.27
12.26
11.56
12.55
12.23
13.29
12.90
14.03
12.3
13.58
14.76
14.28
15.49
14.95
16.23
16.3
17.71
16.71
18.16
17.64
19.18
17.0
18.73
20.27
19.02
20.65
20.37
22.16
20.78
22.57
21.74
23.63
23.09
25.1
D1122
D455
D2986
D1192
MBtu/hr
174 PSI
951
1044
1144
1238
1331
1425
1520
1578
1618
1712
1806
1901
1999
2093
2282
2339
2470
2622
2663
2852
2909
3044
3514
6
INSTALLATION
BOILER PLATE (A)
Drill the combustion chamber mounting plate as shown
in (A). The position of the threaded holes can be marked
using the gasket supplied with the burner.
BLAST TUBE LENGTH (B)
The length of the blast tube must be selected according
to the indications provided by the manufacturer of the
boiler, it must be greater than the thickness of the boiler
door complete with its insulation. The range of lengths
available, L (inch), is as follows:
Blast tube 10):
RLS 70/E RLS 100/E RLS 130/E
• short
9
27 / 32
"
• long
15
5 / 32
"
For boilers with front flue passes 13) or flame inversion
chambers, insulation material 11) must be inserted
between the refractory 12) and the blast tube 10).
This protective insulation must not compromise the
extraction of the blast tube.
For boilers having a water-cooled front, the insulation
11)-12)(B) is not required unless it is required by the
boiler manufacturer.
SECURING THE BURNER TO THE BOILER (B)
Detach the combustion head from the burner, fig. (B):
- Disconnect the oil pipes by unscrewing the two con-
nectors 6)
- Loosen the 4 screws 3) and remove the cover 1)
- Remove the screws 2) from the slide bars 5)
- Remove the 2 screws 4) and pull the burner back on
slide bars 5) by about 4".
- Disconnect the electrode wires and then pull the
burner completely off the slide bars.
COMBUSTION HEAD CALIBRATION
At this point check, on model RLS 130/E, whether the
maximum delivery of the burner is contained in area A or
in area B of the firing rate. See page 5.
If it is in area A then no adjustment is required.
If it is in area B:
-
Unscrew the screws 1)(C) and disassemble the blast
tube 2).
-
Move the fixing of the rod 3)(C) from position A to
position B, thereby causing the shutter 4) to retract.
-
Now refit the blast tube 2)(C) and the screws 1).
Once this operation has been carried out, secure the
flange 9)(B) to the boiler plate, inserting the gasket 7)(B)
supplied with the burner. Use the 4 screws, also sup-
plied with the unit, after first protecting the thread with an
anti-seize product. Tighten the seal between burner and
boiler.
NOZZLE SELECTION
Both nozzles must be chosen from among those listed
in Table (D).
The first nozzle determines the delivery of the burner in
low fire.
The second nozzle combines together with the 1st noz-
zle to determine the total firing rate at high fire.
The total firing rates of low and high fire must be con-
tained within the value range indicated on page 3.
Use nozzles with a 60° spray angle at the recommended
pressure of 174 PSI.
The two nozzles have equal deliveries rates
9
27 / 32
"
9
27 / 32
"
15
5 / 32
"
15
5 / 32
"
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