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