Siemens LMV27.100x2 - Page 186

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Building Technologies Basic Documentation LMV27... CC1P7541en
27 Parameter list 17.12.2018
Par. Parameter
Number of
Type Edit Value range Increment Default Password level
no.
elements
Min. Max. setting Write Read
switch signal (e.g. home run, preignition)
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
1 Std_u8 Edit 1 16 1 16 HF HF
225 Gas: Prepurge time 1 Time Edit 20 s 60 min 0,2 s 20 s HF HF
226 Gas: Preignition time 1 Time Edit 0,4 s 60 min 0,2 s 2 s HF HF
227 Gas: First safety time 1 Time Edit 1 s 10 s 0,2 s 3 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 3 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 0,2 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 fuel valve V1
and fuel valve V2)
3 = pressure switch-min after fuel valve V2
1 Selection Edit 1 3 1 1 OEM HF
237 Gas: Input pressure switch-max / POC
1 = pressure switch-max
2 = POC
3 = pressure switch valve proving
1 Selection Edit 1 4 1 1 HF HF