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Building Technologies Basic Documentation LMV27... CC1P7541en
17.12.2018
30 List of figures
Figure 1: Note on mounting ........................................................................................... 10
Figure 2: Electrical connection ...................................................................................... 12
Figure 3: Connection of OCI410 interface to the BCI .................................................... 13
Figure 4: System structure ............................................................................................ 20
Figure 5: Ionization input at AC 230 V ........................................................................... 27
Figure 6: Measuring circuit for ionization probe ............................................................. 27
Figure 7: Measuring circuit QRA ................................................................................... 28
Figure 8: QRB1/QRB3 input at AC 230 V ...................................................................... 29
Figure 9: Measuring circuit QRC ................................................................................... 31
Figure 10: Dimensions of the LMV27 ............................................................................ 32
Figure 11: Flame signal input X10-05 ............................................................................ 33
Figure 12: Flame signal input X10-06 ............................................................................ 33
Figure 13: Safety loop X3-04 ......................................................................................... 36
Figure 14: Burner flange X3-03 ..................................................................................... 37
Figure 15: Inputs for external load controller ON / OFF X5-03 ...................................... 37
Figure 16: Inputs external load controller Open / Close X5-03 ...................................... 37
Figure 17: Air pressure switch X3-02 ............................................................................ 38
Figure 18: Gas pressure switch valve proving X9-04 .................................................... 39
Figure 19: Gas pressure switch-min / oil pressure-min X5-01 ....................................... 40
Figure 20: Gas pressure-max / oil pressure switch-max or POC X5-02 ........................ 43
Figure 21: Reset X8-04 ................................................................................................. 44
Figure 22: Output alarm X3-05 ...................................................................................... 45
Figure 23: Fan motor contactor X3-05 ........................................................................... 45
Figure 24: Continuous fan operation X3-05 ................................................................... 45
Figure 25: Output ignition X4-02 .................................................................................... 46
Figure 26: Output fuel valve V1 X8-02 .......................................................................... 47
Figure 27: Output fuel valve V2 X7-01 .......................................................................... 47
Figure 28: Output fuel valve V3 / pilot valve X7-02 ....................................................... 47
Figure 29: Output safety valve X6-03 ............................................................................ 47
Figure 30: Output for indication of operation X8-04 ....................................................... 47
Figure 31: Without manual locking ................................................................................ 53
Figure 32: With manual locking ..................................................................................... 53
Figure 33: Message in the case of program stop .......................................................... 59
Figure 34: Continuous fan ............................................................................................. 60
Figure 35: Application example of postpurging in the lockout position with fan but
without VSD ............................................................................................................ 62
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