List Of Figures - Siemens LMV37.4 Series Basic Documentation

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31 List of figures

Figure 1: Note on mounting ........................................................................................... 13
Figure 2: Electrical connection ...................................................................................... 15
Figure 3: System structure ............................................................................................ 20
Figure 4: Ionization input at AC 120 V / AC 230 V ........................................................ 27
Figure 5: QRB... input at AC 120 V / AC 230 V ............................................................ 30
Figure 6: Dimension LMV37.4... .................................................................................... 32
Figure 7: Flame signal input X10-05 .............................................................................. 34
Figure 8: Flame signal input X10-06 .............................................................................. 34
Figure 9: Safety loop X3-04 ........................................................................................... 38
Figure 10: Burner flange X3-03 ..................................................................................... 39
Figure 11: Inputs for external load controller ON / OFF X5-03 ...................................... 39
Figure 12: Inputs external load controller Open / Close X5-03 ...................................... 39
Figure 13: Air pressure switch (APS) X3-02 .................................................................. 40
Figure 14: Pressure switch valve proving gas (P LT) X9-04.......................................... 41
Figure 15: Gas pressure switch-min (Pmin) X5-01 ........................................................ 43
Figure 16: Gas / oil pressure switch-max (Pmax) or POC X5-02 .................................. 45
Figure 17: Reset X8-04 ................................................................................................. 47
Figure 18: Output alarm X3-05 ...................................................................................... 48
Figure 19: Fan motor contactor X3-05 ........................................................................... 48
Figure 20: Continuous fan operation X3-05 ................................................................... 48
Figure 21: Output ignition (Z) X4-02 .............................................................................. 49
Figure 22: Output fuel valve (V1) X8-02 ........................................................................ 50
Figure 23: Output fuel valve (V2) X7-01 ........................................................................ 50
Figure 24: Output fuel valve (V3) / pilot valve (PV) X7-02 ............................................. 50
Figure 25: Output safety valve (SV) X6-03 .................................................................... 50
Figure 26: Output for indication of operation X8-04 ....................................................... 50
Figure 27: Message in the case of program stop .......................................................... 62
Figure 28: Continuous fan ............................................................................................. 63
Figure 29: Application example of purging in the lockout position with fan but without
VSD ........................................................................................................................ 65
Figure 30: Application example of purging in the lockout position with fan and VSD
release contact ....................................................................................................... 65
Figure 31: Wiring LMV37... with universal controller RWF55... ..................................... 67
Figure 32: Switching back to pilot sequence in connection with an RWF40 / RWF55
controller ................................................................................................................. 67
Figure 33: Gas direct ignition ......................................................................................... 69
Basic Documentation LMV37.4...
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CC1P7546en
20.09.2013