Siemens VALVEGYR LDU11.523A27 - Page 15

15/21
Building Technologies Division CC1N7696en
20.04.2016
Connection examples without vent pipe to atmosphere using burner controls type LGB2... / LGB3... / LGB4... /
LMG2...
For other connections, refer to the connection diagram of the relevant burner control.
Check prior to burner startup Check following immediately the controlled shutdown
N
LDU11
hr2
22
A1
GP
E
B
N
DW
15
1
3
4
ar2
17
16
SB / R / W
2
5
6
III
LGB2.../3.../4.../LMG2...
12
L
H
9
2311
20
10
hr1
V
XI
12
14
19
53
M
A2
4
AL
13
24
21
N
10
7
696
a
13/0403
LDU11
hr2
22
E
N
BA1
15
ar2
17
16
III
214
DW
P
GP
L
H
6
5
431
12
LGB2.../3.../4.../LMG2...
N
hr1
11
97
20
23
19
10
8
12
I
V
XI
A2
5
3
M
N
AL
13
N
24
21
4
SB / R / W
7696
a
14/0703
N
AGK25
3)
³) Only in connection with LMG2...
Plants without vent pipe to atmosphere
GP
E
B
DW
LDU
A
A2
A1
DW
LDU
B
GP
E
7696s04/0695