Siemens LME39 Series Basic Documentation page 72

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Building Technologies Division
List of figures
Figure 1: Correct wiring of neutral conductors! ............................................................... 8
Figure 2: Connection display and operating unit AZL2 ................................................... 9
Figure 3: Connection BC interface OCI410 .................................................................. 10
Figure 4: Connection interface OCI400... ..................................................................... 10
Figure 5: Example: Modulating gas burner ................................................................... 14
Figure 6: Measuring circuit: Ionization probe ................................................................ 24
Figure 7: Connection diagram AGQ3.xA27 .................................................................. 25
Figure 8: Measurement made at the flame detector QRA... ......................................... 25
Figure 9: Diagnostics of cause of fault .......................................................................... 30
Figure 10: Program sequence ...................................................................................... 32
Figure 11: Internal diagram ........................................................................................... 33
Figure 12: Application examples LME39.100... ............................................................ 34
Figure 13: Application examples with LDU11... ............................................................ 35
Figure 14: Program sequence ...................................................................................... 36
Figure 15: Internal diagram ........................................................................................... 37
Figure 16: Only for burners with fan control via auxiliary contactor with air pressure
switch ..................................................................................................................... 37
Figure 17: Dimensions LME39... ................................................................................... 39
Figure 18: Dimensions LME39... with AGK20... ............................................................ 40
Figure 19: Dimensions AGQ3.xA27 .............................................................................. 40
Figure 20: Description of the unit/display and buttons .................................................. 41
Figure 21: Meaning of display ....................................................................................... 42
Figure 22: Assignment of levels .................................................................................... 45
Figure 23: Info level ...................................................................................................... 46
Basic Documentation LME39... CC1P7106en
08.12.2017