Siemens LMV27.100x2 Basic Documentation page 5

Basic unit with integrated air-fuel ratio control for forced draft burners
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Building Technologies
8.1
Deleting curves .............................................................................................. 81
 
9
 
Connection to load controllers .................................................................. 82
9.1
 
Load controller on contact X5-03, pin 1 ......................................................... 82
9.2
 
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
 
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
 
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
Basic Documentation LMV27...
Contents
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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CC1P7541en
17.12.2018

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