C
1
Connection diagram and internal diagram LMO24...
Control sequence LMO24...
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
7130a02e/0700
9
EK2
EK1
µC control
K1
K2
K3
K4
BV2
LED
kbr
FSV
µC2
µC1
R
W
SB
OH
OW
M
Z
BV2
FS
A´
A
B
C
D
1
8
3
3
6
5
11
12
t1´
t3
t3n
TSA
tw
Only with LMO24.113B2: re-ignition
BV1
4
t4
t1
Z
FS
6
11
12
7130d03e/1102
t3n
t3n
06/2014 - Art. Nr. 4200 1057 7400
53
en
Operation
LMO24 control and safety programmer
Prior to mounting or dismantling the control programmer, the device must be at zero voltage.
The control programmer must not be opened or repaired.
AL External block signal
BV... Fuel valve
EK1 Unlock button
EK2 Remote unlock button
FS Flame signal
FSV Flame signal amplifier
K... Internal control relay contacts
Kbr Connection
(bridge, only necessary if a
pre-heater is not installed)
LED 3-colour LED
M Burner motor
OW Pre-heater consent contact
OH Pre-heater
QRB... Flame sensor (photoresistor)
QRC... Flame sensor for blue flame
bl=blue, br=brown, sw=black
R Thermostat or work
pressure switch
SB Safety thermostat
(or pressure switch)
Si External fuse
W Limit thermostat or pressure
switch Z Ignition transformer
TSA Ignition safety time
tw standby time
t1 pre-ventilation time
t1´ Purge time
t3 pre-ignition time
t3n post-ignition time
t4 interval prior to consent
at 2nd stage
A´ Start of the ignition sequence
for burners with pre-heater
A Start of the ignition sequence
for burners without pre-heater
B Flame stabilisation time
C Operating position
D Controlled switch-off from R
Multicoloured LED codes table
Status Colour code Colour
Standby status
❍
................................................................................... Off
Pre-heater functioning
Standby time tw
●
................................................................................... Yellow
Ignition phase
● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍
Yellow flashing
Operation, flame ok
❑
................................................................................... Green
Operation, flame not ok
❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍
green flashing
Extraneous light at
burner ignition
❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲
green-red
Low voltage
● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲
yellow-red
Block
▲
................................................................................... red
Error code
▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍ ▲ ❍
red flashing
Error code transmission
▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲
▲
▲
red fast flashing
Key: ....... Continuously lit
▲
red
❑
green
❍
Off
●
yellow
LMO24 control sequence
LMO24 internal connections and wiring diagram
Содержание P2.190 L-Z/LMO
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