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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 29.11.2011
28 List of figures
Figure 1: Mounting – mounting surface .........................................................................15
Figure 2: Example: Modulating gas burner....................................................................21
Figure 3: Ionization input at AC 120 V/AC 230 V ..........................................................34
Figure 4: Measuring circuit for ionization probe.............................................................35
Figure 5: Measuring circuit for QRA... ...........................................................................36
Figure 6: Dimensions of LME7... ...................................................................................37
Figure 7: Diagnostics of cause of fault...........................................................................42
Figure 8: Inputs/outputs.................................................................................................44
Figure 9: Flame signal input X10-06..............................................................................45
Figure 10: Safety Loop X3-04........................................................................................46
Figure 11: Inputs for external load controller ON/OFF X5-03........................................46
Figure 12: Air pressure switch X3-02 ............................................................................47
Figure 13: Program sequence PME71.401... for connection diagram fuel train (G)......48
Figure 14: Connection diagram fuel train gas direct ignition (G), 1-stage .....................50
Figure 15: Connection diagram fuel train gas direct ignition (G), 2-stage .....................50
Figure 16: LME71.000...: Inputs and outputs/internal connection diagram ...................52
Figure 17: Program sequence PME71.402... for connection diagram fuel trains
(G)/Gp1/1) ..............................................................................................................55
Figure 18: Connection diagram fuel train gas direct ignition (G), 1-stage .....................57
Figure 19: Connection diagram fuel train gas pilot ignition 1 (Gp1/1), 1-stage .............57
Figure 20: LME71.000...: Inputs and outputs/internal connection diagram ...................59
Figure 21: Program sequence PME71.901... for connection diagram fuel train (G)......63
Figure 22: Connection diagram fuel train gas direct ignition (G), 1-stage .....................65
Figure 23: Connection diagram fuel train gas direct ignition (G), 1-stage, with valve
proving....................................................................................................................65
Fig. 24: Valve proving with separate pressure switch ...................................................66
Figure 25: LME71.000...: Inputs and outputs/internal connection diagram ...................69
Figure 26: Program sequence PME72.521... for connection diagram fuel trains
(G)/Gp1/1) ..............................................................................................................75
Figure 27: Connection diagram fuel train gas direct ignition (G), 1-stage .....................77
Figure 28: Connection diagram fuel train gas direct ignition 1 (Gp1/1), 2-stage ...........77
Figure 29: Connection diagram for LME72.000... with actuator SQM4... (example 1) ..78
Figure 30: Connection diagram for LME73.000... without actuator SQM4... .................79
Figure 31: LME72.000...: Inputs and outputs/internal connection diagram ...................81
Figure 32: Program sequence PME72.541... for connection diagram fuel trains
(G)/Gp1/1) ..............................................................................................................84
Figure 33: Connection diagram fuel train gas direct ignition (G), 1-stage .....................86
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