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μC control
EK1
μC1
LED
K1
K2
K3
2
10
8
1
kbr
SB
8
R
OW
W
OH
AL
N
Si
L
N
7130a01e/0700
LMO24 - LMO44
µC cont r ol
µC 1
EK1
LED
K2
K1
K3
2
10
8
3
1
kbr
SB
8
3
R
O W
W
O H
AL
N
Si
L
N
7130a02e/ 0700
Control sequence
LMO14
A´
A
R
W
SB
tw
OH
OW
M
BV1
t1
Z
t3
FS
Only with LMO14.113A2: re-ignition
Z
FS
μC2
3
4
5
6
7
9
3
EK2
1
M
Z
BV1
µC 2
K4
6
4
5
9
7
EK2
BV2
1
M
Z
BV1
B
C
t3n
TSA
t3n
t3n
7130d02e/0700
LMO24 - LMO44
A ´
R
W
SB
O H
FSV
O W
M
11
12
BV1
BV2
QRB
Z
QRC
FS
bl
sw
br
Z
FS
Key
AL
Alarm device
FSV
kbr... Cable link (required only when no oil pre-heater is used)
BV... Fuel valve
EK1 Lock-out reset button
11
12
EK2 Remote lock-out reset button
FS
Flame signal
FSV Flame signal amplifier
Q R B
K...
Contacts of control relay
LED 3-colour signal lamps
M
Burner motor
Q R C
OW
Release contact of oil pre-heater
bl
sw
br
t1
Pre-purge time
t3
Pre-ignition time
t3n
Post-ignition time
A´
Beginning of start-up sequence with burners using an oil pre-
heater
A
Beginning of start-up sequence with burners using no oil pre-
heater
D
Controller output signals
1
Required input signals
OH
Oil pre-heater
8
QRB Photoresistive detector
3
QRC Blue-flame detector
bl = blue
3
br = brown
4
sw = black
R
Control thermostat or pressurestat
6
SB
Safety limit thermostat
11
Si
External primary fuse
12
W
Limit thermostat or pressure switch
Z
Ignition transformer
6
t4
Interval from flame signal to release «BV2»
11
TSA Ignition safety time
12
tw
Waiting time for oil pre-heating
B
Time of flame establishment
C
Operating position
D
Controlled shut-down by «R»
µC1 Microcontroller 1
µC2 Microcontroller 2
A
B
t w
t 3n
t 1
TSA
t 3
t 3n
t 3n
7130d03e/ 0700
C
D
1
8
3
3
4
5
6
11
12
6
11
12
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