14
Bentone
Svart
-
+
Q
R
B
12
11
Black
Schwarz
Noir
A1
DC
μ
A
1
Switch on operating switch and twin thermostat
A spark is formed. The air damper motor opens the damper to low load
position. The burner motor starts, the prepurge goes on till the prepurge
period expires and the solenoid valve 1 opens (2).
2.
Solenoid valve 1 opens
Oil mist is formed and ignited. The photocell indicates a flame. The ignition
spark goes out after flame indication (See Technical data oil burner control).
3.
a
b
The safety time expires
If no flame is established before this time limit the control cuts out.
If for some reasons the flame disappears after this time limit, the burner will
make an attempt to re-start.
4
High/Low thermostat ON
The burner is in operating position and can now change between full load and
low load.
4-5
Operating position
If the burner operation is interrupted by means of the main switch or the
thermostat, a new start takes place when the conditions in accordance with
point 1 are fulfilled.
The oil burner control cuts out
A red lamp in the control is lit. Press the reset button and the burner re-starts.
3.2.1
List of components
A1
Oil burner control
B1
Flame detector
F1
Fuse
H1
Lamp, low capacity
H2
Lamp, high capacity
H3
Lamp, lock-out signal 230 V
M1
Motor
M2
Damper motor
P1
Time meter, low capacity
(optional)
P2
Time meter, high capacity
(optional)
S1
Operating switch
S2
Operating switch, high/low
capacity
S3
Control thermostat
S4
Temperature limiter
S5
Micro switch for hinged door
S6
Control thermostat, high/low
S7
Main switch
T1
Ignition transformer
X1
Connection terminal board
X2
Earth terminal
X3
Plug-in contact, burner
X4
Plug-in contact, boiler
X5
Plug-in contact
high/low capacity burner
X6
Plug-in contact
high/low capacity boiler
Y1
Solenoid valve 1
Y2
Solenoid valve 2
!
Mains connection and fuse
in accordance with local
regulations.
3.3.1
Technical data
LMO14.113...
LMO24.255...
15 s
25 s
16 s
26 s
3 s
5 s
< 10 s
< 5 s
< 1 s
< 1 s
< 1 s
< 1 s
-5 - +60°C
-20 - +60°C
45 µA dc
45 µA dc
5.5 µA dc
5.5 µA dc
160303-333
Preiginition time
Prepurge time
Postignition time
Safety lockout time
Reset time after lockout
Reaction time on fl ame failure
Ambient temperature
Min detector current required (with fl ame)
Max perm. detector current (without fl ame)
3.3
Function LMO14/24
Summary of Contents for B 30 A2.2
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