6
TECHNICAL DATA
(1)
Reference conditions: Ambient temperature 20
°
C - Barometric pressure 1000 mbar - Altitude 100 m s.l.m.
(2)
Sound pressure measured in manufacturerÕs combustion laboratory, with burner operating on test boiler and at maximum rated output.
VARIANTS
MODEL
MB 4 LE
MB 6 LE
TYP
961 T1
962 T1
OUTPUT
(1)
DELIVERY
(1)
MAX.
kW
2375 - 4092
200 - 345
3558 - 6000
300 - 506
kg/h
MIN.
kW
1070 - 2375
90 - 200
1186 - 3558
100 - 300
kg/h
FUEL
¥ LIGHT OIL, viscosity at 20
°
C: 6 mm
2
/s max (1,5
°
E - 6 cSt)
OPERATION
¥ Intermittent (min. 1 stop in 24 hours).
These burners are also Þtted for the continuos
operation, if they are equipped with the control box
Landis LOK 16.250 A27.
STANDARD APPLICATIONS
Boilers: water, steam, diathermic oil
AMBIENT TEMPERATUR
°
C
0 - 40
COMBUSTION AIR TEMPERATURE
°
C max
60
ELECTRICAL SUPPLY
V
Hz
230 - 400 with neutral ~ +/-10%
50 - three-phaes
ELECTRIC MOTORS
rpm
2900
2900
Fan motor
(star-delta starting)
V
kW
A
230/400 - 400/690
11
38 - 22
230/400 - 400/690
13
46,7 - 27
Pump motor
V
W
A
230/400
1500
6,4 - 3,7
IGNITION TRANSFORMER
V1 - V2
I1 - I2
230 V - 2 x 6 kV
2,3 A - 35 mA
PUMP
delivery (at 25 bar)
pressure range
fuel temperatur
kg/h
bar
°
C max
1000
7
¸
30
140
ELECTRICAL POWER CONSUMPTION
kW max
15
17
ELECTRICAL PROTECTION
IP 40
CONFORMITY TO EEC DIRECTIVES
98/37 - 89/336 - 73/23
NOISE LEVELS
(2)
dBA
82,2
84,8
APPROVAL
DIN
MODEL
CODE
MAINS VOLTAGE
FUEL SUPPLY
MB 4 LE
3478000
3478001
400 V
230 V
from right
from right
3478005
3478006
400 V
230 V
from left
from left
MB 6 LE
3478100
3478101
400 V
230 V
from right
from right
3478105
3478106
400 V
230 V
from left
from left
Important:
The installer is responsible for the addition of any safety device not forseen in the present manual.
