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Building Technologies Basic Documentation LMV37.4... CC1P7546en
Contents 17.12.2018
Contents
1 Safety notes ................................................................................................. 10
1.1 Warning notes ............................................................................................... 10
1.2 Mounting notes .............................................................................................. 11
1.3 Installation notes ............................................................................................ 12
1.4 Electrical connection of the LMV37.4 ............................................................ 13
1.5 Connection BC interface via integrated RJ11 jack (X56) .............................. 14
1.6 Electrical connection of flame detectors ........................................................ 15
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 Makeup of structure / function description ............................................... 20
2.1 For Europe ..................................................................................................... 20
2.2 For North America ......................................................................................... 20
2.3 General information ....................................................................................... 21
3 Type summary ............................................................................................. 21
4 Technical Data ............................................................................................. 22
4.1 Basic unit LMV37.4 ........................................................................................ 22
4.1.1 Terminal loading «Inputs» ............................................................................. 23
4.1.2 Terminal loading «Outputs» .......................................................................... 23
4.1.3 Analog output / load output X74 pin 3 ........................................................... 25
4.1.4 Cable lengths ................................................................................................. 25
4.1.5 Cross-sectional areas .................................................................................... 25
4.1.6 Connections of actuators ............................................................................... 25
4.2 Signal cable AGV50 from AZL2 BC interface ........................................... 26
4.3 Environmental conditions .............................................................................. 26
4.4 Flame detector ............................................................................................... 27
4.4.1 Ionization probe ............................................................................................. 27
4.4.2 UV flame detectors QRA2 / QRA4 / QRA10 .................................................. 29
4.4.3 Photoresistive flame detectors QRB1 / QRB3 ............................................... 30
4.4.4 Yellow flame detector QRB4 ......................................................................... 31
4.4.5 Blue-flame detectors QRC ............................................................................. 32
5 Dimensions .................................................................................................. 33
5.1 LMV37.4 ........................................................................................................ 33
6 Display and diagnostics ............................................................................. 34
7 Basic unit LMV37.4 ...................................................................................... 34
7.1 Description of inputs and outputs .................................................................. 34
7.2 Flame detectors ............................................................................................. 35
7.2.1 Loss of flame ................................................................................................. 35
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