Siemens LMV37.4 Series Basic Documentation page 186

Par. Parameter
no.
231 Gas: Safety time 2 (TSA2)
232 Gas: Interval 2
233 Gas: Afterburn time
234 Gas: Postpurge time (no extraneous light test)
236 Gas: Pressure switch-min input
0 = inactive
1 = pressure switch-min (upstream of fuel valve 1 (V1))
2 = valve proving via pressure switch-min (between fuel
valves 1 (V1) and 2 (V2))
237 Gas: Pressure switch-max / POC input
0 = inactive
1 = pressure switch-max
2 = POC
239 Gas: Forced intermittent operation
0 = inactive
1 = activated
240 Repetition limit loss of flame
1 = no repetition
2 = 1 repetition
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
242 Gas: Valve proving evacuation time
243 Gas: Valve proving time atmospheric pressure
244 Gas: Valve proving filling time
245 Gas: Valve proving time gas pressure
246 Gas: Waiting time gas shortage
248 Gas: Postpurge time (t3) (abortion with load controller
(LR)-ON
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Building Technologies
HVAC Products
Number of Type Edit
elements
1 Time edit
1 Time edit
1 Time edit
1 Time edit
1 Selection edit
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
Basic documentation LMV37.4...
27 Parameter list LMV37.4...
Value range Resolution
Min Max
1 s 10 s 0.2 s
0.4 s 60 s 0.2 s
0.2 s 60 s 0.2 s
0.2 s 108 min 0.2 s
1 2 1
1 2 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
Default Password level
setting
LMV37.400...: 3 s OEM
LMV37.420...: 7 s
2 s SO
8 s SO
LMV37.400...: 0,2 s SO
LMV37.420...: 15 s
1 SO
LMV37.400...: 1 SO
LMV37.420...: 2
1 SO
LMV37.400...: 2 OEM
LMV37.420...: 1
LMV37.400...: 2 SO
LMV37.420...: 0
3 s OEM
10 s OEM
3 s OEM
10 s OEM
10 s OEM
1 s SO
CC1P7546en
01.12.2009