Siemens LFL1.133 Manual page 19

Connection diagram (for circuit variants, refer to «Connection examples»)
Building Technologies Division
Si
L
H
SB
1
AS
br1
a
b
ar1 I
a
4 12
W
LP
GP
R
5 13
fr1
a b a
b
XI
XIII
XII
b a a b
AR
br2
EK1
L1
M
E
b
BR
A
3 21 2 15 16
(1)/(3)
AL
EK2
H
N
Attention!
Do not press lockout reset button «EK...» for more than 10 seconds!
For the connection of the safety shutoff valve, refer to the plant diagram
provided by the burner manufacturer.
ar2
XV
a
b b
6 7
d1 d2
M1
M2
N
14
fr3 fr2
NTC
VI
VIII
X
II
a a b a b
17 18 19 20
LR
SA
v
Z
BV1
ZBV BV1
ION
22 23
QRA...
+
22 23 24
V
FR
(1) (2)
XIV
a b
IV
a b
VII
a b
III
ar3
V
M
a b a b
SM
9 11 10
a z m
M LK
BV2
7451a12/0204
BV2
CC1N7451en
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