9
20035283
GB
Technical description of the burner
4.1
Technical data
Tab. A
4.2
Burner description
1 Pump
2 Control
box
3
Reset push-button with lock-out led signal
4
Flange with insulating gasket
5
Air damper adjustment screw
6 Snorkel
(BF)
7
Pump pressure adjustment screw
8
Pressure gauge port
9 Photoresistance
10 Blast
tube
4.3
Burner equipment
Flange with insulating gasket .............................................. No. 1
Screws for flange to be fixed to boiler ................................. No. 4
Screw and nuts for flange.................................................... No. 1
Flexible oil pipes with nipples .............................................. No. 1
Hexagonal key..................................................................... No. 1
Screw of by-pass pump ....................................................... No. 1
Plastic air cover ................................................................... No. 1
5 pin plug ............................................................................. No. 1
4
Technical description of the burner
Type
744LD2K
Output - Thermal power
(with air at 20 °C)
1.3 - 1.7 kg/h
15.6 - 20.5 kW
Fuel
Kerosene, viscosity 1.6 – 6 mm
2
/s at 20 °C (Hi = 11.97 kWh/kg)
Electrical supply
Single phase, ~ 50Hz ± 5%, 230 V ± 30%
Motor
Run current 0.85 A – 2700 rpm – 283 rad/s
Capacitor
4.5 mF
Ignition transformer
Secondary 18 kV – 25 mA
Pump
Kerosene, maximum pressure 10 bar (145 psi)
Absorbed electrical power
0.16 kW
1
D4138
4
6
5
2
3
7
8
9
Fig. 1
10
WARNING
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.
