Technical Description Of The Burner; Technical Data; Burner Description; Burner Equipment - Riello RDB4 Installation, Use And Maintenance Instructions

4

Technical description of the burner

4.1

Technical data

Model
Output - Thermal power
(with air at 20 °C)
Fuel
Electrical supply
Motor
Capacitor
Ignition transformer
Pump
Absorbed electrical power
➤ Gas oil is not permitted on low level discharge of flue gas products.
4.2

Burner description

20073492
1 Pump
2 Control-box
3 Reset button with lock-out lamp
4 Flange with insulating gasket
5 Air damper adjustment screw
4.3

Burner equipment

Flange with insulating gasket .............................................. No. 1
Bolts 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
Technical description of the burner
Kerosene, viscosity 1.6 – 6 mm
Gas oil, viscosity 4 – 6 mm
Kerosene, maximum pressure 10 bar (145 psi)
Gas oil, maximum pressure 15 bar (218 psi)
7 GB
RDB4
4.7 - 9.5 kg/h
55.7 - 113 kW
2
/s at 20 °C (H
2
/s at 20 °C ◆ (H
Single phase, ~ 50Hz 230 V ± 30%
Run current 1.3 A – 2750 rpm – 288 rad/s
5 µF
Secondary 8 kV – 16 mA
0.16 kW
6 Photoresistance
7 Pump pressure adjustment screw
8 Capacitor
9 Snorkel
The hoses supplied with this burner set for
Kerosene use are not suitable for use with Gas oil
containing a Bio blend.
WARNING 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.
= 11.97 kWh/kg)
i
= 11.86 kWh/kg)
i
Tab. A
Fig. 1
20071933