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Building Technologies Division  Basic Documentation LME7…  CC1P7105en 
Infrastructure & Cities Sector  Contents  29.11.2011 
 
Contents 
1  Safety notes................................................................................................... 13 
1.1  Warning notes ............................................................................................... 13 
1.2  Mounting notes ..............................................................................................15 
1.3  Installation notes............................................................................................ 16 
1.4  Electrical connection of flame detectors ........................................................ 17 
1.5  Commissioning notes .................................................................................... 18 
1.6  Standards and certificates ............................................................................. 19 
1.7  Lifetime ..........................................................................................................19 
1.8  Disposal notes ............................................................................................... 19 
1.9  Typographical conventions............................................................................ 20 
1.9.1  Safety notes................................................................................................... 20 
2  System makeup/function description............................................................. 21 
2.1  Features ........................................................................................................ 22 
3  Type summary............................................................................................... 23 
3.1  Burner controls .............................................................................................. 23 
3.2  Program module ............................................................................................24 
3.3  External display and operating units.............................................................. 26 
3.4  Flame detectors............................................................................................. 26 
3.5  Actuators ....................................................................................................... 27 
3.6  Pressure switch ............................................................................................. 27 
3.7  Dummy plugs for RJ11 .................................................................................. 28 
3.8  Connector sets for LME7............................................................................... 28 
3.9  Service- tools................................................................................................. 28 
3.10  Test case and accessories ............................................................................ 29 
4  Technical data ............................................................................................... 30 
4.1  Basic unit LME7............................................................................................. 30 
4.2  Terminal rating Inputs.................................................................................... 30 
4.3  Terminal rating Outputs.................................................................................31 
4.4  Cable lengths................................................................................................. 32 
4.5  Actuators ....................................................................................................... 32 
4.6  Cross-sectional areas.................................................................................... 32 
4.7  Signal cable AGV50... ................................................................................... 33 
4.7.1  AZL2...  BCI ...............................................................................................33 
4.8  Dummy plug for RJ11.................................................................................... 33 
4.9  Environmental conditions .............................................................................. 33 
4.10  Flame supervision ......................................................................................... 34 
4.10.1  Ionization probe .............................................................................................34 
4.10.2  Flame detector QRA2.../QRA4.U/QRA10...................................................... 36