elco P2.190 L-Z/LMO series Betriebsanleitung Seite 53

Operation
LMO24 control and safety programmer
LMO24 internal connections and wiring diagram
Connection diagram and internal diagram LMO24...
µC control
EK1 µC1
LED
K2
K1
K3
2 10 8 3
1
kbr
SB
3
8
R
OW
W
OH
AL
N
Si
L
N
7130a02e/0700
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)
Status
Standby status
Pre-heater functioning
Standby time tw
Ignition phase
Operation, flame ok
Operation, flame not ok
Extraneous light at
burner ignition
Low voltage
Block
Error code
Error code transmission
Key:
µC2
FSV
K4
6 4 5 9 11 12
7
QRB
EK2
BV2
QRC
1
bl sw
M Z BV1
br
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
Multicoloured LED codes table
Colour code
H ...................................................................................
G ...................................................................................
G H G H G H G H G H G H G H G H G H G H G H
K...................................................................................
K H K H K H K H K H K H K H K H K H K H K H
K L K L K L K L K L K L K L K L K L K L K L
G L G L G L G L G L G L G L G L G L G L G L
L...................................................................................
L H L H L H
....... Continuously lit
L L L L
Off
H
06/2014 - Art. Nr. 4200 1057 7400
LMO24 control sequence
Control sequence LMO24...
A´ A B
R
W
SB
tw
OH
OW
t1´
M
t1
BV1
BV2
t3
Z
FS
Only with LMO24.113B2: re-ignition
Z
FS
7130d03e/1102
t4
A´
A
B
C
D
L H L H L H L H L H
red
L L L L L L L L
yellow
L K
G
C D
8
t4
t3n
TSA
11
12
t3n t3n
11
12
interval prior to consent
at 2nd stage
Start of the ignition sequence
for burners with pre-heater
Start of the ignition sequence
for burners without pre-heater
Flame stabilisation time
Operating position
Controlled switch-off from R
Colour
Off
Yellow
Yellow flashing
Green
C
green flashing
1
green-red
yellow-red
red
red flashing
red fast flashing
green
1
3
3
4
5
6
6
en
53