Technical Data; Electrical Data - Riello RL 28/M Installation, Use And Maintenance Instructions
Light oil burners, progressive two-stage or modulating operation
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4.3
Technical data
MODEL
Output
(1)
Delivery
(1)
Fuel
- Lower calorific value
- Density
- Viscosity at 20°C
Operation
Nozzles
Standard applications
Ambient temperature
Combustion air temperature
Pump
Output at 20 bar
Pressure range
Fuel temperature
Weight of the burner complete with packaging
Noise levels
Sound pressure
(3)
Sound power
Reference conditions: Room temperature 20°C - Barometric pressure 1013 mbar – Altitude 0 m above sea level
(1)
Sound pressure measured in manufacturer's combustion laboratory, with burner operating on test boiler and at maximum output. The sound power
(2)
is measured using the "Free Field" method, required by the EN 15036 standard, and according to an "Accuracy: Category 3" measurement, as
described in EN ISO 3746.
4.4
Electrical data
Model
Electrical power supply
Motor
Ignition transformer
Absorbed electrical power
Protection level
20166434
Technical description of the burner
MAX.
kW
Mcal/h
kg/h
MIN.
kW
Mcal/h
kg/h
kWh/kg
Mcal/kg
3
kg/dm
2
mm
/s max
number
°C
°C max
kg/h
bar
°C max
kg
dB(A)
RL 28/M
230 ~ +/-10%
50 - single-phase
rpm
2800
W
300
V
230
A
2.4
V1 - V2
I1 - I2
W max
720
RL 28/M
166 - 332
143 - 286
14 - 28
90 - 166
76.5 143
7.5 - 14
• Intermittent (min. 1 stop in 24 hours)
• Progressive two-stage (modulating by kit)
Boilers: water, steam, diathermic oil
74
10 - 20
60
39
68
79
RL 38/M
230 - 400 ~ +/-10%
50 - three-phase
2800
450
230-400
1.73-1
230 V - 2 x 5 kV
1.9A - 30 mA
940
IP 44
8
GB
RL 38/M
237 - 450
204 - 387
20 - 38
101 - 237
87 - 204
8.5 - 20
Light oil
11.8
10.2
0.82 - 0.85
6 (1.5°E - 6 CsT)
1 (with return)
0 - 40
60
99
10 - 20
60
41
70
80
RL 50/M
230-400
RL 50/M
296 - 593
255 - 510
25 - 50
130 - 296
112 - 255
11 - 25
99
10 - 20
60
42
75.0
86.0
Tab. A
2850
650
3 - 1.7
1200
Tab. B
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