20092542
8
GB
Technical description of the burner
3.5
Burner 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 sliding
bars.
The dimensions of the open burner are indicated by position I.
Tab. E
3.6
Firing rates
The maximum output is chosen within area
A
of the diagram
(Fig. 2).
The
minimum output
must not be lower than the minimum limit of
the diagram.
Inch
A
B
C
D
E
F
G
H
I
L
M
N
O
RS 68/E LN
23
27
/
64
12
3
/
4
10
5
/
8
25
13
/
64
40
3
/
4
9
17
/
32
8
37
/6
4
16
47
/
64
63
15
/
32
8
25
/
32
5
5
/
8
8
3
/
4
2
RS 120/E LN 23
27
/
64
12
3
/
4
10
5
/
8
25
13
/
64
40
3
/
4
9
17
/
32
8
37
/6
4
16
47
/
64
63
15
/
32
8
25
/
32
5
5
/
8
8
3
/
4
2
D731
Fig. 1
WARNING
The firing rate was obtained considering a room
temperature of 68 °F and an atmospheric pressure
of 394 “WC (approx. 0 ft above sea level), with the
combustion head adjusted.
WARNING
In order to utilize also area B (RS 120/E LN), it is
necessary to perform the calibration of the combus-
tion head as explained in Fig. 18, page 20.
Pressure in combustion
chamber
-
“WC
Fig. 2
D2793
Pre
ssure in combustion
chamb
er -
“WC
A
A
RS 68/E LN
RS 120/E LN
B
Содержание C9342400
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