Function Lmo14/24 - Bentone B 30 A2.2 RME Installation And Maintenance Instruction

3.2.1 Components
A1 Burner control
B1 Flame detector
F1 Fuse
H1 Lamp, low capacity
H2 Lamp, high capacity
H3 Lamp, lock-out signal 230V
M1 Motor
M2 Damper motor
P1 Time meter, low capacity
(optional)
3.3 Function
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. The safety time expires
If no flame is established before this time limit the control cuts out.
a
b
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.
3.3.1 Technical data
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)
14 Bentone
P2 Time meter, high capacity
(optional)
S1 Operating switch
S2 Operating switch,
high/low capacity
S3 Control thermostat
S4 Temperature limiter
S5 Safety switch for hinged door
S6 Control thermostat, high/low
S7 Main switch
T1 Ignition transformer
LMO14.113...
15 s
16 s
3 s
< 10 s
< 1 s
< 1 s
-5 - +60°C
45 µA dc
5.5 µA dc
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
Y1S Safety valve
Y2 Solenoid valve 2
Mains connection and fuse
!
in accordance with local
regulations.
LMO24.255...
25 s
26 s
5 s
< 5 s
< 1 s
< 1 s
-20 - +60°C
45 µA dc
5.5 µA dc