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4.6
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
RS 68/EV O
BLU
217
2
RS 120/EV O
BLU
217
2
(1) Blast tube: short-long
4.7
Firing rates
The maximum output is chosen within area A (and B for
RS 120/EV O
BLU) of the diagram (Fig. 2).
2
to use area B (RS 120/EV O
pre-calibration of the combustion head is neces-
sary, as explained in the paragraph "Pre-calibrat-
ing the combustion head" on page 25.
WARNING
The minimum output must not be lower than the minimum limit
of the diagram.
RS 68/EV O
Thermal power
Technical description of the burner
P
V - V ( 1 )
C
D
E
F
137
189
425
2"
137
189
425
2"
BLU) as well, the
2
BLU
2
The dimensions of the open burner are indicated by position V-V.
T - T ( 1 )
B
I *
I ( 1 ) *
C
I-I
G
H
(1)
340
640
200-335
585
350
640
200-335
595
The firing rate (Fig. 2) of the model RS 120/EV O
BLU refers to the operation with fuel G20 - G25.
In case G31 is used, the minimum output goes
CAUTION
from 550 to 630 kW.
The firing rate (Fig. 2) was obtained considering a
room temperature of 20°C and an atmospheric
pressure of 1013 mbar (approx. 0 m above sea
level), with the combustion head adjusted as
WARNING
shown at page 25.
11
GB
20150720
L
G
M
T-T
L
M
N
P
245
221 1010 255-390 1350-1755
245
221 1010 255-390 1350-1755
RS 120/EV O
BLU
2
Thermal power
Fig. 1
V-V
(1)
(1)
Tab. E
2
20174990
Fig. 2
20155480
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