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Building Technologies Division
CC1N7785en
20.11.2017
Connection diagrams
(for circuitry variants, see
Connection examples
) (cont’d)
LGK16...
BV2
v
a
M
z
m
ZBV
BV1
BV2
BV1
LK
SA
LR
BV3
R
d1
N
d2
N
Z
N
1
EK2
AL
bv...
LP
W
11 10 8
22
23 15
H
L
6
7 16
17
18
19
20
9
2 21
3 13 12 14 4
5
t11
t1
2
t5
t1
1
t1
3
1(3)
t3
TS
A
t4
t5
z
m a
t16
D
A
t7
t6
t3
´
TS
A
´
t4
´
t9
A
t1
0
B
C
7785a02e/0604
TSA´, t3´, t4´, only:
LGK16.335
and LGK16.635
5
M
QRA5...
3 4
1
1
2
+
1)
P
22
24
ION
SB
GP
AS
2
M1
M2
Si
1) When used in connection with QRA53.../QRA55..., earthing of terminal 22 is mandatory!
Caution!
Do not press lockout reset button (EK...) for more than 10 seconds!
Connect the safety valve as specified in the diagram provided by the burner
manufacturer.