13
Bentone
Svart
-
+
Q
R
B
12
11
Black
Schwarz
Noir
A1
DC
μ
A
3.2.1
List of components
A1 Oil burner control
A2 Twin thermostat
F1 Fuse, max. 10A
H1 Alarm lamp
H2 Signal lamp (optional)
M1 Burner motor
P1 Time meter (optional)
R1 Flame detector
S3 Main switch
T1 Ignition transformer
Y1 Solenoid valve
X1 Plug-in contact, burner
X2 Plug-in contact, boiler
3.3
Function LMO14/24
1
Switch on operating switch and twin thermostat
The burner motor starts, an ignition spark is formed, the prepurge goes
on till the prepurge period expires and the solenoid valve opens.
2.
Solenoid valve 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.
3-4
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.
3.3.1
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)
