12
420010280903
Max 15 - 20 - 30
EN
Connection dia
g
ram and internal dia
g
ram LMO14...
Control sequence LMO14...
1
2
6
7
4
5
10
11
12
W
SB
R
L
N
M
Z
BV1
AL
Si
8
3
OW
OH
N
8
3
QRB
QRC
br
bl
sw
1
7130a01e/0700
9
EK2
EK1
µC control
K1
K2
K3
FSV
µC2
LED
kbr
µC1
R
W
SB
OH
OW
M
Z
BV1
FS
A´
A
B
C
D
1
8
3
3
6
4
11
12
t1
t3
t3n
TSA
tw
Z
FS
6
11
12
7130d02e/1002
Only with LMO14.113B2: re-ignition
t3n
t3n
AL Alarm
device
BV... Fuel
valve
EK1 Lockout
reset
b
utton
EK2
Remote lockout reset
b
utton
FS
Flame signal
FSV
Flame signal amplifier
K...
Contacts of control relay
k
b
r Ca
b
le link (required only
when no oil preheater is used)
LED
3-color signal lamp
M Burner
motor
OW
Release contact of oil preheater
OH Oil
preheater
QRB... Photoresistive flame detector
QRC... Blue-flame detector
b
l =
b
lue,
b
r =
b
rown, sw =
b
lack
R
Control thermostat or
pressurestat
SB
Safety limit thermostat
Si
External primary fuse
W
Limit thermostat or pressure
switch
Z Ignition
transformer
TSA
Ignition safety time
tw Waiting
time
t1 Prepurge
time
t1 Purge
time
t3 Preignition
time
t3n Postignition
time
t4
Interval from flame signal to
release of «BV2»
A
Start of startup sequence with
b
urners using an «OH»
A
Start of startup sequence with
b
urners using no «OH»
B
Time of flame esta
b
lishment
C Operating
position
D Controlled
shutdown
b
y «R»
Color code table for multicolor
s
ignal lamp (LED)
Status Color
code
Color
Waiting time «tw», other waiting states
❍
...................................................................................
Off
Oil preheater on, waiting time «tw»
●
................................................................................... Yellow
Ignition phase, ignition controlled
● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍
Flashing yellow
Operation, flame o.k.
❑
................................................................................... Green
Operation, flame not o.k.
❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍
Flashing green
Extraneous light on
b
urner startup
❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲
Green-red
Undervoltage
● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲
Yellow-red
Fault, alarm
▲
................................................................................... Red
Error code output (refer to «Error code
ta
b
le»)
▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍
Flashing red
Interface diagnostics
▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲
Red flicker light
Legend:
....... Steady on
▲
Red
❑
Green
❍
Off
●
Yellow
Error code table
Red blink code of
«AL» at
Po
ss
ible cau
s
e
s
ignal lamp (LED))
term. 10
2
b
links on
No
esta
b
lishment of flame at the end of «TSA»
- Faulty or soiled fuel valves - Faulty or soiled flame detector
- Poor adjustment of
b
urner, no fuel - Faulty ignition equipment
3
b
links on
Free
4
b
links
on
Extraneous light on
b
urner startup
5
b
links on
Free
6
b
links on
Free
7
b
links
on
Too many losses of flame during operation
(limitation of the num
b
er of repetitions)- Faulty or soiled fuel valves.
- Faulty or soiled flame detector - Poor adjustment of
b
urner.
8
b
links
on
Time supervision oil preheater
- Oil preheater failed 5 times during prepurging
9
b
links on
Free
10
b
links
off
Wiring fault or internal fault, output contacts,other faults.
on
3 times temporary fault of the output contacts
