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Building Technologies Basic Documentation LMV37.4... CC1P7546en
31 List of figures 17.12.2018
Figure 68: Program heavy oil direct ignition «Ho», «Ho mod without circulation control»,
«Ho 2-stage without circulation control», «Ho 3-stage without circulation control» 87
Figure 69: Modulating operation X5-03 ......................................................................... 94
Figure 70: 2-stage operation X5-03 .............................................................................. 95
Figure 71: 3-stage operation X5-03 .............................................................................. 95
Figure 72: Shifting multistage operation (OPEN pin 3 / CLOSE pin 2) ......................... 96
Figure 73: External load controller via analog input X64 pin 1 / X64 pin 2 ................. 100
Figure 74: Definition of curves .................................................................................... 106
Figure 75: Restriction of modulation range ................................................................. 109
Figure 76: Adjustment of output .................................................................................. 112
Figure 77: Fuel actuator (X54) .................................................................................... 115
Figure 78: Air actuator (X53) ....................................................................................... 115
Figure 79: Angle definitions with SQM33 .................................................................... 119
Figure 80: Direction of rotation (example SQM3) ....................................................... 120
Figure 81: Function principle of VSD .......................................................................... 125
Figure 82: Connection of VSD to the LMV37.4 ........................................................... 126
Figure 83: Power output .............................................................................................. 127
Figure 84: Sensor disk ................................................................................................ 128
Figure 85: Speed sensor ............................................................................................. 129
Figure 86: Extended speed supervision ...................................................................... 132
Figure 87: Setting range trim limits ............................................................................. 142
Figure 88: Trim supervision with PLC ......................................................................... 145
Figure 89: VSD module X74 ....................................................................................... 147
Figure 90: PWM fan X74 ............................................................................................. 147
Figure 91: PWM fan X64 ............................................................................................. 147
Figure 92: Power output .............................................................................................. 148
Figure 93: Fuel meter input X75 ................................................................................. 150
Figure 94: Inputs and outputs ..................................................................................... 152
Figure 95: Connection via interface COM 92 to superposed systems ........................ 153
Figure 96: Communication with display / BC interface (RJ11 jack) (X56) .................. 156
Figure 97: Display input / BC interface (RJ11 jack) X56 ............................................. 156
Figure 98: Description of unit/display and buttons ...................................................... 160
Figure 99: Meaning of display ..................................................................................... 161
Figure 100: Assignment of levels ................................................................................ 173
Figure 101: Info level .................................................................................................. 174
Figure 102: Service level ............................................................................................ 179
Figure 103: Structure of parameter levels ................................................................... 189
Figure 104: Setting the curvepoints ............................................................................ 207
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