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Building Technologies Basic Documentation LMV27... CC1P7541en
Contents 17.12.2018
8.1 Deleting curves .............................................................................................. 81
9 Connection to load controllers .................................................................. 82
9.1 Load controller on contact X5-03, pin 1 ......................................................... 82
9.2 External load controller via contacts X5-03, pin 2 / pin 3 ............................... 82
9.3 Default output via building automation – X92 ................................................ 85
9.4 Manual output ................................................................................................ 86
9.5 Output with curve settings ............................................................................. 86
9.6 Prioritization of load controller sources .......................................................... 87
9.6.1 Emergency operation with several load controller sources ........................... 87
9.6.2 Manual control ............................................................................................... 87
10 Electronic air-fuel ratio control .................................................................. 89
10.1 General .......................................................................................................... 89
10.2 Behavior outside the operating positions ....................................................... 89
10.2.1 Traveling speed ............................................................................................. 89
10.2.2 Home position ................................................................................................ 89
10.2.3 Prepurging ..................................................................................................... 89
10.2.4 Ignition ........................................................................................................... 90
10.2.5 Postpurging ................................................................................................... 90
10.3 Modulating operation ..................................................................................... 91
10.3.1 Definition of curves ........................................................................................ 91
10.3.2 Traveling speed/maximum curve slope ......................................................... 92
10.3.3 Entering the running position ......................................................................... 92
10.3.4 Operating position ......................................................................................... 92
10.3.5 Limitation of modulation range ...................................................................... 93
10.3.6 Setting the minimum and maximum output ................................................... 94
10.4 Multistage operation ...................................................................................... 95
10.4.1 Definition of curves ........................................................................................ 95
10.4.2 Traveling speed ............................................................................................. 95
10.4.3 Adjustment of output ...................................................................................... 96
10.4.4 Entering the operating position ...................................................................... 96
10.4.5 Operating position ......................................................................................... 96
10.4.6 Limitation of modulation range ...................................................................... 97
10.5 End of operating position ............................................................................... 97
10.6 Notes on settings and parameter settings ..................................................... 97
11 Actuators X53 / X54 ..................................................................................... 98
11.1 Function principle .......................................................................................... 98
11.2 Definition of angles ........................................................................................ 98
11.3 Referencing ................................................................................................... 99
11.3.1 Reference travel .......................................................................................... 101
11.4 Direction of rotation ..................................................................................... 103
11.5 Monitoring the actuator positions ................................................................. 104
11.6 Changing the error detection band for monitoring the actuator
positions ...................................................................................................... 105
11.7 Forced travel ................................................................................................ 105
11.8 Detection of line interruptions ...................................................................... 105
11.9 Protection against actuator mixup ............................................................... 106
11.9.1 Proposal for implementation ........................................................................ 106
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