Bentone BF 1 KSV RME, Installation And Maintenance Instruction, Page: 33 / 44

33
Bentone
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.
8.1.1 List of components
A1 Oil burner control U2 UV-cell QRC
E1 Preheater S3 Control thermostat
E2 Burner without preheater S4 Temperature limiter
F1 Fuse max. 10 A S7 Main switch
H1 Lamp, low capacity T1 Ignition transformer
M1 Burner motor Y1 Solenoid valve
P1 Time meter, low capacity
(optinal) X3 Plug-in contact, burner
R1 Flame detector QRB X4 Plug-in contact, boiler
Preheater cable color: A Blue B Brown C Black
8.2 Function LMO14/24
! Mains connection and
fuse in accordance
with local regulations.
8.2.1
Technical data oil burner control
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)