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Building Technologies Basic documentation LMV37.4... CC1P7546en
28 Parameter list LMV37.4 17.12.2018
Par. Parameter Number of Type Edit Value range Increment Default Password level
no. elements Min. Max. setting write read
217 Maximum waiting time for detection of detector or
pressure switch signal (e.g. home run, preignition)
1 Time edit 5 s 10 min 0,2 s 30 s OEM OEM
221 Gas: Active detector flame evaluation
0 = QRB / QRC
1 = ION / QRA
1 Selection edit 0 1 1 1 HF HF
222 Gas: Prepurging
0 = inactive
1 = active
1 Selection edit 0 1 1 1 HF HF
223 Repetition limit gas pressure switch-min
1 = no repetition
2...15 = 1...14 number of repetitions
16 = constant repetition
Recharging time:
After the
Operation phase
1 Std_u8 edit 1 16 1 LMV37.400Ax: 16
LMV37.420Ax: 1
HF HF
225 Gas: Prepurge time 1 Time edit LMV37.400Ax: 20 s
LMV37.420Ax: 5 s
60 min 0,2 s LMV37.400Ax: 20 s
LMV37.420Ax: 30 s
HF HF
226 Gas: Preignition time 1 Time edit 0,4 s 60 min 0,2 s 3 s HF HF
227 Gas: First safety time 1 Time edit 1 s 10 s 0,2 s LMV37.400Ax: 3 s
LMV37.420Ax: 5 s
OEM OEM
229 Gas: Time to respond to pressure faults within first
and second safety time
1 Time edit 0,4 s 9,6 s 0,2 s 1,8 s OEM OEM
230 Gas: Interval 1 1 Time edit 0,4 s 60 s 0,2 s 2 s HF HF
231 Gas: Second safety time 1 Time edit 1 s 10 s 0,2 s LMV37.400Ax: 3 s
LMV37.420Ax: 7 s
OEM OEM
232 Gas: Interval 2 1 Time edit 0,4 s 60 s 0,2 s 2 s HF HF
233 Gas: Afterburn time 1 Time edit 0,2 s 60 s 0,2 s 8 s HF HF
234 Gas: Postpurge time (no extraneous light test) 1 Time edit 0,2 s 108 min 0,2 s LMV37.400Ax: 0,2 s
LMV37.420Ax: 15 s
HF HF
235 Gas: Air pressure switch
1 = active
2 = active, except phase 60...66 / 70...72 (pneumatic
operation only)
1 Selection edit 1 2 1 1 OEM HF
236 Gas: Input pressure switch-min
1 = pressure switch-min before fuel valve V1 (default
setting)
2 = valve proving via pressure switch-min (between
1 Selection edit 1 3 1 1 HF HF
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