KROHNE OPTIFLEX 1300C ATEX EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 06/2010 - 4000091403 - AD ATEX OPTIFLEX 1300 R05 en
OPTIFLEX 1300 C
1 General safety information 4
1.1 Scope of the document..................................................................................................... 4
1.2 Device description ............................................................................................................ 4
1.3 Standards and approvals.................................................................................................. 4
1.4 Device categories ............................................................................................................. 5
1.4.1 Ex ia / Ex iaD-approved devices.............................................................................................. 5
1.4.2 Ex d[ia] / Ex tD[iaD]-approved devices ................................................................................... 5
1.4.3 Ex nA devices .......................................................................................................................... 5
1.4.4 Definitions of device categories.............................................................................................. 5
1.5 ATEX nameplates.............................................................................................................. 6
2 Installation 8
2.1 Precautions....................................................................................................................... 8
2.1.1 General notes.......................................................................................................................... 8
2.1.2 Electrostatic discharge........................................................................................................... 8
2.1.3 Special conditions ................................................................................................................... 9
2.2 Operating conditions ........................................................................................................ 9
2.2.1 Ambient and flange temperature ........................................................................................... 9
2.2.2 Maximum surface temperature of the housing ................................................................... 13
2.2.3 Process pressure.................................................................................................................. 13
3 Electrical connections 14
3.1 General notes ................................................................................................................. 14
3.2 Terminal compartment .................................................................................................. 14
3.2.1 How to open the terminal compartment .............................................................................. 14
3.2.2 How to close the terminal compartment ............................................................................. 15
3.3 Terminal tightening capacity.......................................................................................... 15
3.4 Equipotential bonding system........................................................................................ 15
3.5 Ex ia / Ex iaD equipment................................................................................................. 15
3.5.1 How to connect the electrical cables ................................................................................... 15
3.5.2 Maximum intrinsically-safe values for the electrical circuit ............................................... 16
3.5.3 Supply voltage ....................................................................................................................... 16
3.5.4 Electrical schema ................................................................................................................. 17
3.6 Ex d[ia] / Ex tD[iaD] equipment ...................................................................................... 18
3.6.1 General notes........................................................................................................................ 18
3.6.2 How to connect the electrical cables ................................................................................... 18
3.6.3 Supply voltage ....................................................................................................................... 19
3.6.4 Electrical schema ................................................................................................................. 19
3.7 Ex nA equipment............................................................................................................. 20
3.7.1 How to connect the electrical cables ................................................................................... 20
3.7.2 Supply voltage ....................................................................................................................... 20
3.7.3 Electrical schema ................................................................................................................. 20
4 Start-up 21