Siemens VALVEGYR LDU11.523A17 Manual do utilizador - Página 10
Procurar online ou descarregar pdf Manual do utilizador para Unidade de controlo Siemens VALVEGYR LDU11.523A17. Siemens VALVEGYR LDU11.523A17 22 páginas. Valve proving system for automatic shutoff valves ldu11...
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Connection diagram
Si
L
1)
EK2
18
AS
IV
AR
L1
1)
EK1
13
2
AL
N
Legend
AL
Alarm signal for «leaking valve»
AR
Working relay with contacts (ar...)
AS
Unit fuse (built-in)
BR
Lockout relay with contacts (br...)
DW
Pressure switch for valve proving test (does not replace the gas pressure switch used to signal lack of gas)
EK1
Lockout reset button
EK2
Remote lockout reset button
GP
Gas pressure switch (for lack of gas)
HR
Auxiliary relay with contacts (hr...)
L1
Lockout warning lamp (built-in)
Si
External primary fuse
SK
Control contact (for initiating the valve proving test)
SM
Synchronous motor of programming mechanism
1)
Do not press lockout reset button (EK) for more than 10 seconds
10/21
Building Technologies Division
SK
1
3
4
5
ar2
br1
15
P
GP
Atm.
Gas
DW
17
16
VI
VIII
b
a
b
a
br2
BR
6
8
a
a
b
III
I
XIII
IX
ar1
a
b
b
a
14
VII
a
b
ar3
M
~
SM
7
9
12 19
10
23 20
a
b
a
b
b
XI
V
hr1
11
7696a15/0204
22 21
24
HR
hr2
LDU11
CC1N7696en
20.04.2016