Table Of Contents - Siemens LMV27.100x2 Basic Documentation

Basic unit with integrated air-fuel ratio control for forced draft burners
Table of Contents

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Building Technologies
Contents
1
Safety notes ................................................................................................... 9
 
1.1
Warning notes ................................................................................................. 9
 
1.2
 
Mounting notes .............................................................................................. 10
1.3
Installation notes ............................................................................................ 11
 
1.4
Electrical connection of the LMV27 ............................................................... 12
 
1.5
 
Connection BCI via integrated RJ11 jack (X56) ............................................ 13
1.6
Electrical connection of flame detectors ........................................................ 14
 
1.7
Commissioning notes .................................................................................... 15
 
1.8
 
Notes on settings and parameter settings ..................................................... 17
1.9
Standards and certificates ............................................................................. 18
 
1.10
Service notes ................................................................................................. 19
 
1.11
 
Life cycle ........................................................................................................ 19
1.12
 
Disposal notes ............................................................................................... 19
2
System structure / function description .................................................... 20
 
2.1
For Europe ..................................................................................................... 20
 
2.2
 
General information ....................................................................................... 21
3
Type summary ............................................................................................. 21
 
4
Technical Data ............................................................................................. 22
 
4.1
LMV27 basic unit ........................................................................................... 22
 
4.1.1
Terminal loading Inputs ................................................................................. 22
 
4.1.2
 
Terminal loading Outputs .............................................................................. 23
4.1.3
 
Analog output / load output X74 pin 3 ........................................................... 23
4.1.4
 
Cable lengths ................................................................................................. 24
4.1.5
 
Cross-sectional areas .................................................................................... 24
4.1.6
 
Connections of actuators ............................................................................... 24
AGV50 signal cable from AZL2  BCI .......................................................... 25
4.2
 
4.3
Environmental conditions .............................................................................. 25
 
4.4
 
Flame detectors ............................................................................................. 26
4.4.1
Ionization probe ............................................................................................. 26
 
4.4.2
UV flame detectors QRA2 / QRA4 / QRA10 .................................................. 28
 
4.4.3
Photoresistive flame detectors QRB1 / QRB3 ............................................... 29
 
4.4.4
Yellow flame detector QRB4 ......................................................................... 30
 
4.4.5
 
Blue-flame detectors QRC ............................................................................. 31
5
Dimensions .................................................................................................. 32
 
5.1
 
LMV27 ........................................................................................................... 32
6
 
Display and diagnostics ............................................................................. 33
7
Basic unit LMV27 ......................................................................................... 33
 
7.1
Description of inputs and outputs .................................................................. 33
 
7.2
 
Flame detectors ............................................................................................. 34
7.2.1
Loss of flame ................................................................................................. 34
 
7.2.2
Extraneous light ............................................................................................. 35
 
7.2.3
No flame at the end of safety time (TSA) ...................................................... 35
 
7.2.4
Flame intensity .............................................................................................. 35
 
7.2.5
 
Supervision of flame detector ........................................................................ 35
Basic Documentation LMV27...
Contents
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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CC1P7541en
17.12.2018

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