DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
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CONTENTS
INTRODUCTION.................................................................................................................................................................... 1
SAFETY PROVISIONS........................................................................................................................................................... 4
CONTENTS .............................................................................................................................................................................. 5
1 DESCRIPTION AND OPERATION................................................................................................................................. 7
1.1 Features....................................................................................................................................................................... 7
1.2 Main specifications ...............................................................................................................................................10
1.3 Scope of supply......................................................................................................................................................12
1.4 Design........................................................................................................................................................................13
1.5 Explosion-proof......................................................................................................................................................18
2 INTENDED USE ................................................................................................................................................................20
2.1 Operating limits .....................................................................................................................................................20
2.2 Explosion-proof operation.................................................................................................................................20
2.3 Safety precautions.................................................................................................................................................21
2.4 Preparation for use ...............................................................................................................................................22
2.5 Installation, connection and dismantling .....................................................................................................23
2.5.1 Explosion protection during installation .............................................................................................23
2.5.2 Installation DWEx .........................................................................................................................................24
2.5.3 Connection of DWEx unit..........................................................................................................................26
2.5.4 Dismantling ....................................................................................................................................................27
2.6 Operation .................................................................................................................................................................28
2.6.1 Configuration.................................................................................................................................................28
2.6.2 Product operating modes.........................................................................................................................28
2.6.3 Procedure for monitoring the operability of the product............................................................30
2.6.4 Troubleshooting...........................................................................................................................................31
3 MAINTENANCE................................................................................................................................................................32
3.1 General guidelines ................................................................................................................................................32
3.2 Safety precautions.................................................................................................................................................32
3.3 Maintenance procedure......................................................................................................................................32
4 SHELF AND SERVICE LIFE, DISPOSAL......................................................................................................................33
4.1 Repair.........................................................................................................................................................................33
