Technical description of the burner
4.1 Technical data
Tab. A
4.2 Burner description
1 Kerosene pump
2 Control box
3 Reset button with lock-out lamp
4 Flange with insulating gasket
5 Air damper adjustment screw
6 Pump pressure adjustment screw
7 Pressure gauge port
8 Photoresistance
9 Blast tube
4.3 Burner equipment
Flange with insulating gasket .............................................. No. 1
Screws and nuts for flange to be fixed to boiler .................. No. 4
Screw and nuts for flange ................................................... No. 1
Hoses with nipples .............................................................. No. 1
Screw of by-pass pump....................................................... No. 1
Hexagonal key .................................................................... No. 1
Screw and terminal screw for feeding cable ....................... No. 3
4 Technical description of the burner
Type 744T1K 744T2K 744T5K
Output - Thermal power
(with air at 20 °C)
1.2 - 2.2 kg/h
14.3 - 26.3 kW
1.6 - 2.8 kg/h
19.2 - 33.5 kW
2.8 - 4.5 kg/h
33.5 - 54 kW
Fuel
Kerosene, viscosity 1.6 – 6 mm
2
/s at 20 °C (Hi = 11.97 kWh/kg)
Electrical supply Single phase, ~ 50Hz 230 V ± 30%
Motor Run current 0.85 A – 2700 rpm – 283 rad/s
Capacitor 4.5 F
Ignition transformer Secondary 8 kV – 25 A
Pump Kerosene, maximum pressure 10 bar (145 psi)
Absorbed electrical power 0.16 kW
The hoses supplied with this burner set for
Kerosene use are not suitable for use with Gas oil
containing a Bio blend.
Please refer to the spare part list for the specific
hoses suitable for bio fuel use.
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.
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