Gas Pressure Switch For Valve Proving X9-04 - Siemens LMV27.100x2 Basic Documentation


Building Technologies

7.3.6 Gas pressure switch for valve proving X9-04

Input for connection of Pressure switch valve proving X9-04. The input is active only
when operating on gas and when valve proving is activated (refer to chapter Program
sequence).
No. Parameter
Gas: Execution valve proving
0 = no valve proving
241 1 = valve proving on startup
2 = valve proving on shutdown
3 = valve proving on startup and shutdown
"L" for pressure switch
Pressure switch - valve proving
Protective earth (PE)
Figure 18: Gas pressure switch valve proving X9-04
Pressure switch valve proving
Input for connection of valve proving with a specific pressure switch. The input is active
only when firing on gas and when valve proving is activated.
Error Diagnostic
code code
12 81
83
Note
When using configuration Valve proving via gas pressure switch-min, it is not possible
to use the input for Start release gas.
Basic Documentation LMV27...
7 Basic unit LMV27
LMV...
Meaning for the LMV27
Fuel valve V1 leaking
Fuel valve V2 leaking
3
2
1
CC1P7541en
39/219
17.12.2018