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SIEMENS
TABLE OF CONTENTS
1
GENERAL INFORMATION..................................................................................................................................................................6
1.1
1.2
MEANING OF SYMBOLS.....................................................................................................................................................................6
GAS DEGREE OF RISK ......................................................................................................................................................................7
2
SYSTEM DESCRIPTION ...................................................................................................................................................................10
3
INSTALLATION .................................................................................................................................................................................12
3.1
INSTALLATION OF CENTRAL UNIT LYC 40 ........................................................................................................................................12
3.2
SENSOR INSTALLATION...................................................................................................................................................................14
3.3
INSTALLATION OF RELAY MODULES AND DISPLAY MODULES ...............................................................................................................17
3.3.1
Installation on supporting guide EN 50.022 .......................................................................................................................17
3.3.2
Wall mounting ....................................................................................................................................................................19
3.4
NUMBERING OF PERIPHERALS .........................................................................................................................................................20
4
WIRING..............................................................................................................................................................................................23
4.1
CABLE TYPES ................................................................................................................................................................................23
4.2
CABLE SIZING AND CONSUMPTION....................................................................................................................................................26
4.3
TERMINAL BOX RECOGNITION ..........................................................................................................................................................28
4.3.1
Central Unit terminal boxes ................................................................................................................................................28
4.3.2
Sensor terminal box ...........................................................................................................................................................28
4.3.3
Display Module terminal box ..............................................................................................................................................30
4.3.4
Relay Module terminal box.................................................................................................................................................31
4.4
PLANT STRUCTURE ........................................................................................................................................................................32
4.4.1
Basic structure ...................................................................................................................................................................32
4.4.2
Extended structure .............................................................................................................................................................33
5
PLANT SUPPLY ................................................................................................................................................................................36
User Manual - LYC40 Rev.06
September 2001
3
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