CONTENTS
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www.krohne.com
08/2016 - 4005002601- AD OPTISWIRL4200 Ex-II2GD R01 en
OPTISWIRL 4200
1 Safety instructions
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1.1 General notes ................................................................................................................... 3
1.2 EU conformity ................................................................................................................... 3
1.3 Approval according to the IECEx scheme ........................................................................ 3
1.4 Safety instructions............................................................................................................ 4
2 Device description
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2.1 Device description ............................................................................................................ 5
2.2 Description code............................................................................................................... 5
2.3 Marking............................................................................................................................. 6
2.4 Flammable products ........................................................................................................ 7
2.5 Equipment category / EPL................................................................................................ 7
2.6 Protection types................................................................................................................ 8
2.7 Ambient temperature / temperature classes.................................................................. 9
2.8 Surface temperature for equipment category II 2 D...................................................... 14
2.9 Electrical data................................................................................................................. 15
3 Installation
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3.1 Mounting ......................................................................................................................... 17
3.2 Special conditions........................................................................................................... 18
4 Electrical connections
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4.1 General notes ................................................................................................................. 19
4.2 Power supply .................................................................................................................. 20
4.3 Inputs/Outputs................................................................................................................ 20
4.4 Grounding and equipotential bonding............................................................................ 21
4.5 Flow sensor circuits (remote version only) ................................................................... 22
5 Operation
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5.1 Start-up........................................................................................................................... 23
5.2 Operation ........................................................................................................................ 23
5.3 Electrostatic charge ....................................................................................................... 23
6 Service
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6.1 Maintenance ................................................................................................................... 24
6.2 Dismantling .................................................................................................................... 24
7 Notes
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