Riello RL 28 - Technical Data; Variants

2
TECHNICAL DATA
(1) Reference conditions: Ambient temperature 20°C - Barometric pressure 1000 mbar - Altitude 100 m a.s.l.
(2) Sound pressure measured in manufacturers combustion laboratory, with burner operating on test boiler and at maximum rated output.
VARIANTS
MODEL RL 28 RL 38 RL 38 RL 50
TYPE 652 T1 653 T1 653 T1 654 T1
OUTPUT
(1)
DELIVERY
(1)
2nd stage kW 166 - 332
143 - 286
14 - 28
237 - 450
204 - 387
20 - 38
237 - 450
204 - 387
20 - 38
296 - 593
255 - 510
25 - 50
Mcal/h
kg/h
1st stage kW 95 - 166 118 - 237 118 - 237 148 - 296
127 - 255
12,5 - 25
Mcal/h 82 - 143 102 - 204 102 - 204
kg/h 8 - 14 10 - 20 10 - 20
FUEL LIGHT OIL
- Net calorific value kWh/kg
Mcal/kg
11,8
10,2 (10.200 kcal/kg)
- Density
kg/dm
3
0,82 - 0,85
- Viscosity at 20 °C
mm
2
/s max
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 ~ +/-10%
50 - single-phase
230 - 400 with neutral ~ +/-10%
50 - three-phase
ELECTRIC MOTOR rpm
W
V
A
2800
300
220 - 240
2,4
2800
420
220 - 240
2,8
2800
450
220/240 - 380/415
2,0 - 1,2
2800
650
220/240 - 380/415
3,0 - 1,7
MOTOR CAPACITOR µF/V 12,5/450 16/450
IGNITION TRASFORMER V1 - V2
I1 - I2
230 V - 2 x 5 kV
1,9 A - 30 mA
PUMP delivery (at 20 bar)
pressure range
fuel temperature
kg/h
bar
° C max
45
7 - 14
60
67
4 - 18
60
67
4 - 18
60
88
4 - 18
60
ELECTRICAL POWER CONSUMPTION W max 370 600 560 750
ELECTRICAL PROTECTION IP 44
IN CONFORMITY WITH EEC DIRECTIVES 2006/42 - 2006/95 - 2004/108
NOISE LEVELS
(2)
dBA 68,0 70,0 70,0 75,0
Model Code
Electrical
supply
Blast tube
lenght mm
RL 28
3473230 - 3473232
3473231 - 3473233
single-phase
single-phase
216
351
RL 38
3474130 - 3474132
3474131 - 3474133
3474330 - 3474332
3474331 - 3474333
single-phase
single-phase
three-phase
three-phase
216
351
216
351
RL 50
3474630 - 3474632
3474631 - 3474633
three-phase
three-phase
216
351