Riello G20 - 4 Technical Description of the Burner; Technical Data; Burner Description; Burner Equipment

2903443
8
GB
Technical description of the burner
4.1 Technical data
Tab. A
4.2 Burner description
1 Pump
2 Control box
3 Gauge connection
4 Pump pressure regulator
5 Vacuum gauge connection
6 Screws fixing air damper
7 Hydraulic jack with air damper
8 Lock-out lamp and reset button
9 Flange with insulating gasket
10 Combustion head
11 Motor
12 Combustion head adjustment screw
4.3 Burner equipment
Hoses with nipple................................................................ No. 1
Flange with insulating gasket.............................................. No. 1
Screws and nuts for flange.................................................. No. 4
Screw of pump by-pass....................................................... No. 1
7 pin plug............................................................................. No. 1
Cable gland......................................................................... No. 1
Screw with two nuts for flange ............................................ No. 1
Maintenance assembly ....................................................... No. 1
4 Technical description of the burner
Type 474T51
Thermal power – output 95 – 213 kW – 8 – 18 kg/h
Fuel Kerosene, viscosity 1.6 – 6 mm
2
/s at 20 °C (Hi = 11.97 kWh/kg)
Gas oil, viscosity 4 – 6 mm
2
/s at 20 °C (Hi = 11.86 kWh/kg)
Blends of gasoil and bio fuel (FAME in accordance with EN 14214) up to 30%
Electrical supply Single phase, ~ 50Hz 230 V ± 30%
Motor Run current 1.3A – 150W – 2750 rpm – 288 rad/s
Capacitor 5 F
Ignition transformer Secondary 8 kV – 16 mA
Pump Kerosene maximum pressure 10 bar (145 psi)
Gas oil maximum pressure 15 bar (218 psi)
Absorbed electrical power 0.32 kW
Fig. 1
5
D8067
2
1
3
4
8
6
7
9
10
11
12
WARNING
In case of use with gas oil containing up to 30%
Bio blend, it will be essential to use flexible oil
lines suitable for bio fuel use.
Please contact Riello for further information.