Siemens LMV36.520A1 Basic Documentation page 7

Building Technologies Division
Infrastructure & Citiies Sector
7.5.5.2. Alarm upon prevention of startup .................................................................. 70
7.5.5.3. Possible preventions of startup ..................................................................... 70
7.5.5.4. Repetition counter ......................................................................................... 71
7.5.5.5. Start without prepurging (as per EN 676) ...................................................... 73
7.5.5.6. Gas shortage program ................................................................................... 74
7.5.5.7. Program stop function ................................................................................... 75
7.5.5.8. Forced intermittent operation (<24 hours) ..................................................... 75
7.5.5.9. Low-fire shutdown ......................................................................................... 75
7.5.5.10. Continuous fan .............................................................................................. 76
7.5.5.11. Test function for burner approval - loss-of-flame test (TÜV test) .................. 77
7.5.5.12. Purging in the lockout position ....................................................................... 78
7.6 Fuel trains (application examples) ................................................................. 79
7.7 Sequence diagrams ....................................................................................... 88
7.7.1 Gas direct ignition «G», «G mod», «G mod pneu» ....................................... 89
7.7.2 Gas pilot ignition 1 «Gp1», «Gp1 mod», «Gp1 mod pneu» ........................... 90
7.7.3 Gas pilot ignition 2 «Gp2», «Gp2 mod», «Gp2 mod pneu» ........................... 91
7.7.4 Light oil direct ignition «Lo», «Lo mod», «Lo 2-stage», «Lo 3-stage» ........... 92
7.7.5 Light oil pilot ignition «Lo Gp» ....................................................................... 93
7.7.6 Legend to sequence diagrams ...................................................................... 94
7.7.7 Legend to the sequence diagrams ................................................................ 94
8 AGM60... ....................................................................................................... 97
8.1 System with AGM60... and one fuel actuator ................................................ 97
8.2 System with AGM60... and two fuel actuators ............................................... 97
8.3 Connecting cable between AGM60... and LMV36... basic unit (AGV61.100
cable) ............................................................................................................. 98
9 Selection of operating mode ...................................................................... 99
9.1 Deleting curves ............................................................................................ 102
10 Connection to load controllers ................................................................ 103
10.1 Controller-on contact X5-03 pin 1 ................................................................ 103
10.2 Load controller via BAC system X92 ........................................................... 103
10.3 Manual output .............................................................................................. 105
10.4 Output with curve settings ........................................................................... 105
10.5 External load controller via analog input X64 pin 1 / X64 pin 2 ................... 106
10.5.1 Thresholds for modulating operation ........................................................... 106
10.5.2 Switching thresholds for multistage operation ............................................. 107
10.6 Prioritization of power sources .................................................................... 108
10.6.1 Emergency operation with several load controllers ..................................... 108
11 Electronic fuel-air ratio control ................................................................ 109
11.1 General ........................................................................................................ 109
11.2 Behavior outside the operating positions ..................................................... 109
11.2.1 Traveling speed ........................................................................................... 109
11.2.2 Home position .............................................................................................. 109
11.2.3 Prepurging ................................................................................................... 110
11.2.4 Ignition ......................................................................................................... 110
11.2.5 Postpurging ................................................................................................. 110
11.3 Modulating operation ................................................................................... 111
11.3.1 Definition of curves ...................................................................................... 111
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CC1P7544en
25.09.2013