KROHNE BW 25 Ex II 1-2 G EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 03/2010 - 4000862901 MA BW25-Ex-II1/2G-AD R01 en
BW25
1 Safety instructions 3
1.1 General notes ................................................................................................................... 3
1.2 EC conformity ................................................................................................................... 3
1.3 Security information......................................................................................................... 3
2 Device description 4
2.1 Device version................................................................................................................... 4
2.2 Description code............................................................................................................... 5
2.3 Nameplate ........................................................................................................................ 6
2.4 Flammable products ........................................................................................................ 7
2.5 Device category ................................................................................................................ 7
2.6 Types of protection ........................................................................................................... 7
2.7 Ambient temperature / temperature classes.................................................................. 8
2.8 Electrical data................................................................................................................. 11
3 Installation 12
3.1 Installation...................................................................................................................... 12
3.2 Installation condititions.................................................................................................. 12
3.3 Tank socket..................................................................................................................... 12
3.4 Auxiliary connections on the reference vessel .............................................................. 12
4 Electrical connections 13
4.1 General notes ................................................................................................................. 13
4.2 Electrical connection BW25/.././M9./../…/...................................................................... 13
4.3 Electrical connection BW25/.././M10.............................................................................. 14
4.4 Earthing and equipotential bonding............................................................................... 16
5 Operation 17
5.1 Start-up........................................................................................................................... 17
5.2 Operation ........................................................................................................................ 17
5.2.1 Version BW25/.././M9./../.../ .................................................................................................. 17
5.2.2 Version BW25/.././M10 .......................................................................................................... 17
6 Service 18
6.1 Maintenance ................................................................................................................... 18
6.2 Dismantling .................................................................................................................... 20
7 Notes 21
AD_BW25_II1_2G_R01_en_4000862901_PRT.book Page 2 Monday, July 1, 2013 10:00 AM