2587
8
GB
Technical description of the burner
4.1
Technical data
Tab. A
◆
Gas oil is not permitted on low level discharge of flue gas
products.
4.2
Burner description
1
Pump
2
Control-box
3
Reset button with lock-out lamp
4
Flange with insulating gasket
5
Air damper adjustment screw
6
Photoresistance
7
Pump pressure adjustment screw
8
Pressure gauge port
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
Screws and terminal screw for feeding cable...................... No. 3
BF air intake with screws and seal...................................... No. 1
4
Technical description of the burner
Type
489 T50
488 T50
Output - Thermal power
(with air at 20 °C)
3.0 - 5.8 kg/h
35.6 - 68.7 kW
4.7 - 9.5 kg/h
55.7 - 113 kW
Fuel
Kerosene, viscosity 1.6 – 6 mm
2
/s at 20 °C (H
i
= 11.97 kWh/kg)
Gas oil, viscosity 4 – 6 mm
2
/s at 20 °C
◆
(H
i
= 11.86 kWh/kg)
Electrical supply
Single phase, ~ 50Hz 230 V ± 30%
Motor
Run current 1.3 A – 2750 rpm – 288 rad/s
Capacitor
5
µ
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
0.16 kW
1
D4069
4
5
2
3
7
8
6
Fig. 1
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.
Summary of Contents for RDB3 CF 489T50
Page 2: ...Original instructions ...
Page 27: ......