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3.6
Maximum dimensions
The dimensions of the burner are shown in Fig. 1.
Bear in mind that inspection of the combustion head requires the
burner to be opened and the rear part drawn back on the guides.
mm
B
C
RS 68
234
149
189
RS 120 234
149
189
RS 160 234
149
245
RS 200 234
149
245
3.7
Burner equipment
Gas train flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Gasket for gas train flange . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Thermal flange gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws M10x40 to fix the gas train flange . . . . . . . . . . . . . No. 4
Screws M16x50 to fix the burner flange to the boiler . . . . . No. 4
Central gas discs regulator . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Lifting eyebolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Slide bars extension (only for RS 200/EV O2 ULX model) No. 2
GW 500 gas pressure switch . . . . . . . . . . . . . . . . . . . . . . . No. 1
Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20205796
Technical description of the burner
P
B
C
F
D
E
F
G
425
2"
330.35
425
2"
356.35
436
2"
407.58
436
2"
455.5
The dimensions of the open burner are indicated by position U.
T
I
U
H
I
L
607
330
567
607
330
593
646
400
712.08
646
400
760
It is recommended to tighten the screws of the gas
flange with a tightening torque of 30 Nm ±10%.
WARNING
Tighten the nuts gradually (first to 30%, then to
60% up to 100%) according to the cross pattern
shown in the figure.
S10230
To use the GW 500 gas pressure switch (supplied
as equipmente) refer to the paragraphs "Firing
rates" on page 9 e "Maximum gas pressure
switch" on page 37.
WARNING
8
GB
L
G
M
N
P
R1
236
260
861
240
236
260
861
240
305
280
877
300
305
280
877
300
20209033
M
Fig. 1
T
U
374
1245
374
1245
453
1446
453
1446
Tab. E
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