35
Bentone
8.2 Function LMO14/24
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.
A1
Burner control
B1
Photoresistor
F1
Operating fuse
H1
Lamp, low capacity
H2
Lamp, high capacity
H3
Alarm signal 230 V
K1
Motor contactor with thermal overload protector
M1
Burner motor
M2
Damper Motor
P1
Time meter, total operating time
P2
Time meter, high capacity, total operating time
S1
Operating switch
S2
Operating switch, stage 2
S3
Control thermostat
S4
Temperature limiter
S5
Micro switch for hinged door
S6
Control thermostat, stage 2
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, stage 2, burner
X6
Plug-in contact, stage 2, boiler
Y1
Gas solenoid valve 1
Y2
Gas solenoid valve 2
Y1S
Safety solenoid valve
Max loading K1
Connection A1,A2 / 95, 96 / 97, 98 Max 0,2A/15W
8.2.2 Component list
!
Mains connection and
fuse in accordance
with local regulations.
Содержание 560000256601
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