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Building Technologies Basic Documentation LMV37.4... CC1P7546en
31 List of figures 17.12.2018
31 List of figures
Figure 1: Note on mounting .......................................................................................... 11
Figure 2: Electrical connection ...................................................................................... 13
Figure 3: Connection interface OCI410 on the BC interface ......................................... 14
Figure 4: System structure ............................................................................................ 20
Figure 5: Ionization input at AC 120 V / AC 230 V ........................................................ 28
Figure 6: Measuring circuit for ionization probe ............................................................ 28
Figure 7: Measuring circuit QRA ................................................................................... 29
Figure 8: QRB1/QRB3 input at AC 230 V ..................................................................... 30
Figure 9: Measuring circuit QRC ................................................................................... 32
Figure 10: Dimension LMV37.4 .................................................................................... 33
Figure 11: Flame signal input X10-05 ........................................................................... 34
Figure 12: Flame signal input X10-06 ........................................................................... 34
Figure 13: Safety loop X3-04 ........................................................................................ 38
Figure 14: Burner flange X3-03 ..................................................................................... 39
Figure 15: Inputs for external load controller ON / OFF X5-03 ..................................... 39
Figure 16: Inputs external load controller Open / Close X5-03 ..................................... 39
Figure 17: Air pressure switch X3-02 ............................................................................ 40
Figure 18: Gas pressure switch valve proving X9-04 ................................................... 41
Figure 19: Gas pressure switch-min / oil pressure switch-min X5-01 ........................... 43
Figure 20: Gas / oil pressure switch-max or POC X5-02 .............................................. 46
Figure 21: Additional speed-dependent air pressure switch ......................................... 48
Figure 22: Reset X8-04 ................................................................................................. 49
Figure 23: Output alarm X3-05 ..................................................................................... 50
Figure 24: Fan motor contactor X3-05 .......................................................................... 50
Figure 25: Continuous fan operation X3-05 .................................................................. 50
Figure 26: Output ignition X4-02 ................................................................................... 51
Figure 27: Output fuel valve V1 X8-02 .......................................................................... 52
Figure 28: Output fuel valve V2 X7-01 .......................................................................... 52
Figure 29: Output fuel valve V3 / pilot valve X7-02 ....................................................... 52
Figure 30: Output safety valve X6-03 ........................................................................... 52
Figure 31: Output for indication of operation X8-04 ...................................................... 52
Figure 32: Valve proving with separate ......................................................................... 55
Figure 33: Valve proving via gas pressure switch-min .................................................. 56
Figure 34: Without manual lockout ............................................................................... 58
Figure 35: With manual lockout .................................................................................... 58
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