KROHNE DK 32-DK 34 ATEX II3G Ex nA-ic EN User Manual
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CONTENTS
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www.krohne.com
03/2013 - 4002148602 AD DK32/34 II3G R03 en
DK32 DK34
1 Safety instructions
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1.1 General notes ................................................................................................................... 3
1.2 EC conformity ................................................................................................................... 3
1.3 Security information......................................................................................................... 3
2 Device description
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2.1 Device description ............................................................................................................ 4
2.2 Description code............................................................................................................... 4
2.3 Marking............................................................................................................................. 4
2.4 Flammable products ........................................................................................................ 5
2.5 Equipment category ......................................................................................................... 5
2.6 Protection types................................................................................................................ 6
2.7 Ambient temperature / temperature classes.................................................................. 7
2.8 Electrical data................................................................................................................... 8
3 Installation
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3.1 Special conditions............................................................................................................. 9
3.2 Installation........................................................................................................................ 9
4 Electrical connections
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4.1 General notes ................................................................................................................. 10
4.2 Earthing and equipotential bonding............................................................................... 11
5 Operation
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5.1 Start-up........................................................................................................................... 12
5.2 Operation ........................................................................................................................ 12
5.2.1 Operation as intrinsically safe equipment "ic"..................................................................... 12
5.2.2 Operation as non-sparking equipment "nA" ........................................................................ 12
6 Service
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6.1 Maintenance ................................................................................................................... 13
6.2 Dismantling .................................................................................................................... 13
7 Notes
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AD_DK32_34_II3G_R03_en_4002148602_PRT.book Page 2 Thursday, March 7, 2013 6:42 AM