KROHNE H250 M10 ATEX II2G Ex d EN User Manual
Page 2
CONTENTS
2
www.krohne.com
06/2012 - 4001058901- MA H250/M10-Ex-II2G-AD R02 en
H250 M10
1 Safety instructions
3
1.1 General notes ................................................................................................................... 3
1.2 EC conformity ................................................................................................................... 3
1.3 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 ......................................................................................................... 6
2.6 Protection types................................................................................................................ 7
2.7 Ambient temperature / temperature classes.................................................................. 7
2.8 Electrical data................................................................................................................... 8
3 Installation
9
3.1 Installation........................................................................................................................ 9
3.2 Special conditions............................................................................................................. 9
4 Electrical connections
10
4.1 General notes ................................................................................................................. 10
4.2 Power supply .................................................................................................................. 10
4.3 Inputs / outputs .............................................................................................................. 11
4.4 Earthing and equipotential bonding............................................................................... 12
5 Operation
13
5.1 Start-up........................................................................................................................... 13
5.2 Operation ........................................................................................................................ 13
6 Service
14
6.1 Maintenance ................................................................................................................... 14
6.2 Dismantling .................................................................................................................... 14
AD_H250_M10_II2G_R02_en_058901_PRT.book Page 2 Tuesday, June 26, 2012 7:20 AM