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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
C85A
(1)
1
BURNER TYPE
2
FUEL
3
OPERATION (Available versions)
BLAST TUBE AND AIR INLET CONFIGURATION
4
(see picture on page 5)
5
DESTINATION COUNTRY
6
BURNER VERSION
7
EQUIPMENT
GAS CONNECTION
8
see Specifications
Fuel
WARNING! The burner must be used only with the fuel specified in the burner data
plate .
The burner technical specifications, described in this manual, refer to natural gas (calorific net
3
, density ρ = 0.717 Kg/Stm
value Hi = 9.45 kWh/Stm
and biogas, multiply the values of flow and pressure by th corrective factors shown in the table
below.
Fuel
LPG
Town gas
Biogas
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-.
MD.
SR.
(2)
(3)
(4)
C85AC120A
M - Natural gas
B - Biogas
L - LPG
PR - Progressive
MD - Fully modulating
AB - Double stage
SR = Standard blast tube + ABS polymer (silenced) air intake
SP = Standard blast tube + aluminium air intake
LR = Extended blast tube + ABS polymer (silenced) air intake
LP = Extended blast tube + aluminium 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
32 = Rp1
40 = Rp1
65 = DN65
3
). For different fuel such as LPG, town gas
3
Hi (KWh/Stm
)
26,79
4,88
6,395
*.*
A.
1.
80.
(5)
(6)
(7)
(8)
1/4
50 = Rp2
1/2
80 = DN80
3
ρ (kg/Stm
)
2,151
0,6023
1,1472
6
Type
Model
Year
S.Number
Output
Oil Flow
Fuel
Category
Gas Pressure
Viscosity
El.Supply
El.Consump.
f
Q
0,353
1,936
1,478
3,5
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f
p
0,4
3,3
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