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PART I: SPECIFICATIONS
5
GENERAL FEATURES
Fig. 1
Gas operation:
the gas coming from the supply line, passes through the valves group provided with filter and governor. This one for-
ces the pressure in the utilisation limits. The actuators move proportionally the air damper and the gas butterfly valve, in order to
achieve the optimisation of the gas flue values, as to get an efficient combustion.
Light oil operation:
the fuel coming from the supply line, is pushed by the pump to the nozzle and then into the combustion chamber,
where the mixture between fuel and air takes place and consequently the flame.
In the burners, the mixture bertween fuel and air, to perform clean and efficient combustion, is activated by atomisation of oil into very
small particles. This process is achieved making pressurised oil passing through the nozzle.
The pump main function is to transfer oil from the tank to the nozzle in the desired quantity and pressure. To adjust this pressure,
pumps are provided with a pressure regulator (except for some models for which a separate regulating valve is provided). Other pumps
are provided with two pressure regulators: one for the high and one for low pressure (in double-stage systems with one nozzle).
The adjustable combustion head can improve the burner performance. The combustion head determines the energetic quality and the
geometry of the flame. Fuel and comburent are routed into separated ways as far as the zone of flame generation (combustion cham-
ber). The control panel, placed on the burner front side, shows each operating stage.
Country and usefulness gas categories
Fuel
GAS
CATEGORY
COUNTRY
I
2H
AT ES GR SE
FI
IE
HU
IS NO CZ DK GB
IT
PT CY EE LV
SI
MT SK BG LT RO TR CH
I
2E
LU
PL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
2E( R ) B
BE
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(*) I
2EK
NL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
2ELL
DE
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
2Er
FR
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(*) Only for I
2EK
: the appliance was configured for the appliance category K (I2K) and is suitable for the use of G and G+ distribution gases according to the specifications as
included in the NTA 8837:2012 Annex D with a Wobbe index of 43.46 – 45.3 MJ/m3 (dry, 0 °C, upper value) or 41.23 – 42.98 (dry, 15 °C, upper value). This appliance can
moreover be converted and/or be calibrated for the appliance category E (I2E). This therefore implies that the appliance “is suitable for G+ gas and H gas or is demonstrably
suitable for G+ gas and can demonstrably be made suitable for H gas” within the meaning of the “Dutch Decree of 10 May 2016 regarding amendment of the Dutch Gas
Appliances Decree and the Dutch Commodities (Administrative Fines) Act in connection with the changing composition of gas in the Netherlands as well as technical
amendment of some other decrees.
DANGER! The burner must be used only with the fuel specified in the burner data
plate.
PART I: SPECIFICATIONS
4
Note: the figure is indicative only
1
Control panel with startup switch
2
Gas train
3
Electrical panel
4
Cover
5
Blast tube + Combustion head
6
Flange
7
Silencer
8
Actuator
9
Air pressure switch
10 Oil manifold
11 Pump
3
1
2
10
11
9
8
7
6
5
Type --
Model
--
Year --
S.Number --
Output --
Oil Flow
--
Fuel
--
Category --
Gas Pressure
--
Viscosity --
El.Supply --
El.Consump. --
Содержание HR92A
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