User Manual

21/28
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
92
21 3
13 12
14
45
t11t12
t5
t1
1
t13
1(3)
t3TSA
t4t5
z
ma
t16
D
A
t7
t6
t3´
TSA´
t4´
t9
A
t10
B
C
7785a02e/0604
TSA´, t3´, t4´, only:
LGK16.335
and LGK16.635
5
M
QRA5...
34
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.