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PART I: SPECIFICATIONS
Burner model identification
Burners are identified by burner type and model. Burner model identification is described as follows.
Type
G380A
(1)
1 BURNER TYPE
2 FUEL
3 OPERATION (Available versions)
4 BLAST TUBE
5 DESTINATION COUNTRY
6 BURNER VERSION
EQUIPMENT
7
GAS CONNECTION
8
9 MICRO-PROCESSOR CONTROL
Fuel
The burner technical specifications, described in this manual, refer to natural gas (calorific net value Hi = 9,45 kWh/Stm
3
0,717 Kg/Stm
). For different fuel such as LPG, town gas and biogas, multiply the values of flow and pressure by th corrective factors
shown in the table below.
For example, to obtain the flow and pressure values for the biogas:
Q
=
Q
1 478
biogas
naturalGas
3 5
p
=
p
biogas
naturalGas
ATTENTION! The combustion head type and the settings depend on the fuel. The burner must be used only for its
intended purpose specified in the burner data plate .
ATTENTION! The corrective factors in the above table depend on the gas composition, so on the calorifc value
and the density of the gas. The above value can be taken only as reference.
Model
M-.
PR. SR.
(2)
(3)
(4)
G258A, G335A, G380A, G400A
B - Biogas,
M - Natural gas
L - LPG C - Town gas
PR - Progressive, MD - Fully modulating
SR = Standard blast tube + ABS polymer (silenced) air intake
LR = Extended blast tube + ABS polymer (silenced) air intake
* - see data plate
A - Standard
Y - Special
0 = 2 gas valves
1 = 2 gas valves + gas proving system
7 = 2 gas valves + maximum gas pressure switch
8 = 2 gas valves + gas proving system + maximum gas pressure switch
50 = Rp2
80 = DN80
EA = micro-processor control, without inverter
EB = micro-processor control, with inverter
Fuel
LPG
Town gas
Biogas
*.
A.
1.
65.
(5)
(6)
(7)
(8)
65 = DN65
100 = DN100
3
Hi (KWh/Stm
26,79
4,88
6,395
6
EA.
(9)
f
3
)
ρ (kg/Stm
)
Q
2,151
0,353
0,6023
1,936
1,1472
1,478
3
, density ρ =
f
p
0,4
3,3
3,5
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