DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
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CONTENTS
INTRODUCTION.................................................................................................................................................................... 1
SAFETY PROVISIONS........................................................................................................................................................... 2
CONTENTS .............................................................................................................................................................................. 3
1 DESCRIPTION AND OPERATION................................................................................................................................. 4
1.1 Features....................................................................................................................................................................... 4
1.2 Main specifications ................................................................................................................................................. 9
1.3 Scope of supply......................................................................................................................................................11
1.4 Design........................................................................................................................................................................12
1.5 Explosion-proof......................................................................................................................................................18
2 INTENDED USE ................................................................................................................................................................21
2.1 Operating limits .....................................................................................................................................................21
2.2 Explosion-proof operation.................................................................................................................................21
2.3 Safety precautions.................................................................................................................................................22
2.4 Preparation for use ...............................................................................................................................................23
2.5 Installation, connection and dismantling .....................................................................................................24
2.5.1 Explosion protection during installation .............................................................................................24
2.5.2 Installation DWEx .........................................................................................................................................25
2.5.3 Connection of DWEx unit..........................................................................................................................27
2.5.4 Dismantling ....................................................................................................................................................28
2.6 Operation .................................................................................................................................................................29
2.6.1 Configuration.................................................................................................................................................29
2.6.2 Product operating modes.........................................................................................................................29
2.6.3 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
4.2 Storage......................................................................................................................................................................33
4.3 Transportation ........................................................................................................................................................33
4.4 Disposal.....................................................................................................................................................................33
APPENDIX А(reference) External appearance of DWEx ......................................................................................34
APPENDIX B (reference) Connection DWEx..............................................................................................................36
