KROHNE OPTISWIRL 4070 ATEX II2G EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 04/2013 - 4000077105 MA OPTISWIRL4070 II2G AD R05 en
OPTISWIRL 4070
1 Safety instructions 3
1.1 General notes ................................................................................................................... 3
1.2 EC conformity ................................................................................................................... 3
1.3 Approval according to the IECEx scheme ........................................................................ 3
1.4 Safety instructions............................................................................................................ 3
2 Device description 4
2.1 Device description ............................................................................................................ 4
2.2 Description code............................................................................................................... 4
2.3 Marking............................................................................................................................. 5
2.4 Flammable products ........................................................................................................ 6
2.5 Equipment category / EPL................................................................................................ 6
2.6 Types of protection ........................................................................................................... 7
2.7 Ambient temperature / temperature classes.................................................................. 7
2.8 Electrical data................................................................................................................. 10
3 Installation 11
3.1 Installation...................................................................................................................... 11
3.2 Special Conditions .......................................................................................................... 12
4 Electrical connections 13
4.1 General notes ................................................................................................................. 13
4.2 Power supply .................................................................................................................. 13
4.3 Inputs / outputs .............................................................................................................. 13
4.4 Earthing and equipotential bonding............................................................................... 14
4.5 Sensor circuits (remote version only) ............................................................................ 15
5 Operation 16
5.1 Start-up........................................................................................................................... 16
5.2 Operation ........................................................................................................................ 16
6 Service 17
6.1 Maintenance ................................................................................................................... 17
6.2 Dismantling .................................................................................................................... 17
7 Notes 19
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