8
TECHNICAL DATA
(1)
Reference conditions: Ambient temperature 20°C - Barometric pressure 1000 mbar - Altitude 100 m a.s.l.
(2)
Sound pressure measured in manufacturer»s combustion laboratory, with burner operating on test boiler and at maximum rated output.
ACCESSORIES
(optional)
MODEL
RL 250
TYPE
970 T
OUTPUT
(1)
DELIVERY
(1)
2nd stage
(min - max)
kW
kg/h
1250 … 2700
106 … 228
1st stage
(min)
kW
kg/h
600
51
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 TEMPERATUR
°C
0 - 40
COMBUSTION AIR TEMPERATURE
°C max
60
ELECTRICAL SUPPLY
3N ~ 400 / 230V +/-10% 50 Hz
ELECTRIC MOTORS
rpm
2900
FAN MOTOR
(star-delta starting for RL 400)
V
kW
A
400/690
6,6
14,8 - 8,5
PUMP MOTOR
V
W
A
230
550
3,6
IGNITION TRANSFORMER
V1 - V2
I1 - I2
230 V - 2 x 5 kV
1,9 A - 35 mA
PUMP
delivery at 12 bar (kg/h)
pressure range (bar)
fuel temperatur (°C)
230
10 - 21
90
ELECTRICAL POWER CONSUMPTION
kW max
7,2
ELECTRICAL PROTECTION
IP 54
CONFORMITY TO EEC DIRECTIVES
90/396 - 89/336 - 73/23
NOISE LEVELS
(2)
dBA
85.4
APPROVAL
class 2 (EN 267)
CE
APPROVAL
DIN
•
STATUS
(see page 43)
Code
3010322
•
DIAGNOSTICS INTERFACE KIT
Code
3002719
•
SILENCER BOX KIT
Code
3000779
•
LONG HEAD KIT
Code
3010422