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3.5
Burner equipment
Gas elbow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
DN65 gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
M20 fittings for inlet of optional electrical connections . . . . No. 4
N16 nuts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
M 18 x 60 screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
M 16 x 60 screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
M16 x 67 stud bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
GW 150 gas pressure switch . . . . . . . . . . . . . . . . . . . . . . . No. 1
Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
3.6
Maximum dimensions
The maximum dimensions of the burner are given in Fig. 1.
Bear in mind that inspection of the combustion head requires the
burner to be opened and the rear part turned on the hinge.
mm
A
C
RS 310/E ULX
1015
176
RS 510/E ULX
1015
176
* The gas adaptor is set also for DN 80 bore.
WARNING
20205048
Technical description of the burner
P
T
I
F
C
D
E
F*
G
312
518 DN65 480
312
518 DN65 527
It is recommended to tighten the screws of the gas
flange with a tightening torque of 40 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
For the use of the gas pressure switch GW 150
(supplied separately), refer to paragraphs "Firing
rates" on page 9 and "Maximum gas pressure swi-
tch" on page 33.
WARNING
The maximum dimensions of the open burner are indicated by
the A, R and R2 positions. The I position is reference for the re-
fractory thickness of the boiler door.
G
H
I
L
M
790
525
880
400
541
790
525
927
400
541
8
GB
20208259
L
M
O
O
N
O
P
R
R1
290 1104 886
376
290 1104 886
376
Fig. 1
R2
T
886
590
886
590
Tab. D
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