Siemens LMV37.4 Series Basic Documentation page 229

Par. Parameter
no.
fuel valve V1 and fuel valve V2)
3 = pressure switch-min after fuel valve V2
237 Gas: Input pressure switch-max / POC
1 = pressure switch-max
2 = POC
3 = pressure switch valve proving
4 = additional speed-dependent air pressure switch
239 Gas. Forced intermittent operation
0 = inactive
1 = active
240 Repetition limit loss of flame
1 = no repetition
2 = 1 repetition
Recharging time:
After the Operation phase

Note!
Parameters 240 and 280 refer to the same
value.
This means that no separate setting is
possible for oil / gas or fuel 0 / fuel 1.
241 Gas: Execution valve proving
0 = no valve proving
1 = valve proving on startup
2 = valve proving on shutdown
3 = valve proving on startup and shutdown
Gas: Valve proving - test space evacuating
242
Gas: Valve proving - test time atmospheric pressure
243
Gas: Valve proving - test space filling
244
Gas: Valve proving - test time gas pressure
245
246 Gas: Waiting time gas shortage
248 Gas: Postpurge time (abortion if load controller On)
249 LMV37.400Ax
Gas: Prepurge time (OEM)
261 Oil: Active detector of flame evaluation
0 = QRB / QRC
1 = ION / QRA
Building Technologies
Number of Type Edit
elements
1 Selection edit
1 Selection edit
1 Std_u8 edit
1 Selection edit
1 Time edit
1 Time edit
1 Time edit
1 Time edit
1 Time edit
1 Time edit
1 Time edit
1 Selection edit
Basic documentation LMV37.4...
28 Parameter list LMV37.4
Value range Increment
Min. Max.
1 4 1
0 1 1
1 2 1
0 3 1
0,2 s 10 s 0,2 s
0,2 s 60 s 0,2 s
0,2 s 10 s 0,2 s
0,2 s 60 s 0,2 s
0,2 s 60 s 0,2 s
1 s 108 min 0,2 s
5 s 60 min 0,2 s
0 1 1
Default Password level
setting write read
LMV37.400Ax: 1 HF HF
LMV37.420Ax: 2
1 OEM HF
LMV37.400Ax: 2 OEM OEM
LMV37.420Ax: 1
LMV37.400Ax: 2 HF HF
LMV37.420Ax: 0
3 s OEM OEM
10 s OEM OEM
3 s OEM OEM
10 s OEM OEM
10 s OEM OEM
1 s HF HF
20 s OEM HF
LMV37.400Ax: 0 HF HF
LMV37.420Ax: 1
229/267
CC1P7546en
17.12.2018