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Idiomas disponibles
Idiomas disponibles
Function
- Siemens LME22 control and safety unit
Connection diagram and control sequence LME22... / LME23...
NT
K1
K2/1
K2/2
10
12
2
3
7
R / W
T
GP
AL
Z
M
STB
H
Si
L
N
AGK25... PTC resistor
AL
Error message (alarm)
V...
Fuel valve
CPI
Closed Position Indicator
DBR...
Wire link
EK
Lockout reset button (internal)
EK2
Remote lockout reset button
ION
Ionization probe
FS
Flame signal
FSV
Flame signal amplifier
GP
Pressure switch
H
Main switch
HS
Auxiliary contactor, relay
K1...4
Internal relays
KL
Low-fire
!
Always disconnect the power supply before installing or removing the control unit. Do not attempt to open or carry out repairs on
the control unit.
Status
Waiting time «tw», other waiting states
Ignition phase, ignition controlled
Operation, flame o.k.
Operation, flame not o.k.
Extraneous light on burner startup
Undervoltage
Fault, alarm
Error code output (refer to «Error code
table»)
Interface diagnostics
Legend: ....... Steady on
Function
- Control panel
420010318205
μC control
EK
RESET
K3
K4
4
6
11
5
9
p a
LP
SA
BV1
BV2
7101 02 /0606
LK
Air damper
LKP
Air damper position
LP
Air pressure switch
LR
Load controller
M
Fan motor
R
Control thermostat / pressurestat
SA
Actuator
STB
Safety limit thermostat
Si
External pre-fuse
t
Time
W
Limit thermostat / pressure switch
Z
Ignition transformer
ZV
Pilot gas valve
A
Start command (switching on by «R»)
B-B´
Interval for establishment of flame
Color code table for multicolor signal lamp (LED)
Color code
❍ ...................................................................................
● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍ ● ❍
❑...................................................................................
❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍ ❑ ❍
❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲ ❑ ▲
● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲ ● ▲
▲...................................................................................
▲ ❍
▲ ❍
▲
▲
▲
▲
❑
Red
2
3
0
4
I
I
II
1
A
SB / R
W / GP
AL
LK
FSV
M
Z
8
1
SA
ION
BV1
(LR) BV2
Nur LME23...
LP
12
2
1
br bl
sw
FS
EK
QRC
EK2
tw
t11
▲ ❍
▲ ❍
▲ ❍
▲ ❍
▲ ❍
▲
▲
▲
▲
▲
▲
▲
▲
❍
Green
Off
1 - reset key
2 - working lamp
3 - main switch I / O
4 - high-low flame switch (PAB)
B
B´
C
I
t10
t1
t3
t3n
t4
7101d02/0606
t12
TSA
C
Operating position of burner reached
C-D
Burner operation (generation of heat)
D
Controlled shutdown by «R»
t1
Prepurge time
t3
Preignition time
t3n
Postignition time
t4
Interval between ignition «Off» and release
of «V2»
t10
Specified time for air pressure signal
t11
Programmed opening time for
actuator «SA».
t12
Programmed closing time for actuator «SA».
TSA
Ignition safety time
tw
Waiting time
Color
Off
Flashing yellow
Green
Flashing green
Green-red
Yellow-red
Red
▲ ❍
Flashing red
▲
Red flicker light
●
Yellow
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EN
D
12
10
3
7
9
4
5
6
11
1
8
9
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