Siemens VALVEGYR LDU11.323A17 User Manual page 15

Valve proving system for automatic shutoff valves ldu11...
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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
LGB2.../3.../4.../LMG2...
12
H
L
N
SB / R / W
1
3 4
5
6
DW
16
ar2
III
17
15
2
GP
N
Building Technologies Division
4
3
5
M
A2
20
10
12
14
19
hr2
V
XI
hr1
9
11
23
LDU11
A1
E
B
Plants without vent pipe to atmosphere
LDU
DW
GP
E
B
Check following immediately the controlled shutdown
7696a13/0403
LGB2.../3.../4.../LMG2...
10
GP
H
L
1
22
21
24
DW
16
ar2
17
N
15
14
13
AL
N
³) Only in connection with LMG2...
7696s04/0695
A
12
3
SB / R / W
M
N
P
5
10
3
4
6
8
12
III
V
XI
I
2
7
9
E
A1
LDU
DW
GP
E
B
7696a14/0703
5
4
3)
AGK25
A2
N
N
22
24
19
23
20
21
hr2
hr1
N
11
13
LDU11
AL
B
A1
A2
15/21
CC1N7696en
20.04.2016

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