KROHNE DK 32-DK 34 NEPSI Ex nA User Manual
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CONTENTS
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www.krohne.com
05/2013 - 4002598301 AD DK32/34 NEPSI Ex nA R01 en
DK32 DK34
1 Safety instructions
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1.1 General notes ................................................................................................................... 3
1.2 NEPSI conformity ............................................................................................................. 3
1.3 Safety instructions............................................................................................................ 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 Device category ................................................................................................................ 5
2.6 Protection types................................................................................................................ 5
2.7 Ambient temperature / temperature classes.................................................................. 6
2.8 Electrical data................................................................................................................... 7
3 Installation
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3.1 Special conditions............................................................................................................. 8
3.2 Installation........................................................................................................................ 8
4 Electrical connections
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4.1 General notes ................................................................................................................... 9
4.2 Earthing and equipotential bonding............................................................................... 10
5 Operation
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5.1 Start-up........................................................................................................................... 11
5.2 Operation ........................................................................................................................ 11
5.2.1 Operation as non-sparking equipment "nA" ........................................................................ 11
6 Service
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6.1 Maintenance ................................................................................................................... 12
6.2 Dismantling .................................................................................................................... 12
7 Attachment
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AD_DK32_34_NEPSI_Ex_nA_R01_en_4002598301_PRT.book Page 2 Wednesday, May 22, 2013 2:26 PM