Technical description of the burner
4.3 Technical data
Tab. A
(1)
Reference conditions: Ambient temperature 20°C - Barometric pressure 1013 mbar - Altitude 0 m a.s.l.
(2)
Sound pressure measured in manufacturers combustion laboratory, with burner operating on test boiler, at maximum rated output,
at a distance of 1 m and at the frequency of 50 Hz.
MODEL RL 50
Type 979 T
Power
(1)
Output
(1)
Delivery
(1)
2nd stage kW 296 - 593
Mcal/h 255 - 510
kg/h 25 - 50
1st stage kW 148 - 296
Mcal/h 127 - 255
kg/h 12.5 - 25
Fuel Kerosene, Gas oil and Blends of gas oil and bio fuel (FAME in accordance
with EN 14214) up to 10%
Gas oil net calorific value
density
viscosity at 20 °C
kWh/kg
Mcal/kg
kg/dm
3
mm
2
/s max
11.86
10.2 (10.200 kcal/kg)
0.82 - 0.85
6 (1.5 °E - 6 cSt)
Kerosene net calorific value
density
viscosity at 20 °C
kWh/kg
Mcal/kg
kg/dm
3
mm
2
/s max
11.97
10.3 (10.300 kcal/kg)
0.77 - 0.83
6 (1.5 °E - 6 cSt)
Operation • Intermittent (min. 1 stop in 24 hours).
• Two-stage (high and low flame) and single-stage (all - nothing).
Nozzles number 2
Standard applications Boilers: water, steam, diathermic oil
Ambient temperature °C 0 - 40
Combustion air temperature °C max 60
Electrical supply V
Hz
230 - 400 with neutral ~ +/-10%
50 - three-phase
Electric motor rpm 2800
Wl 650
V 220/240 - 380/415
A 3.0 - 1.7
Motor capacitor F/V 12.5/450 16/450
Ignition transformer V1 - V2 230 V - 2 x 5 kV
I1 - I2 1.9 A - 30 mA
Pump delivery (at 20 bar)
pressure range
fuel temperature
kg/h
bar
°C max
88
5 - 15
60
57
5 - 15
60
Electrical power consumption W max 800
Protection level IP44
Noise level
(2)
dB(A) 75.0
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