CONTENTS
2
www.krohne.com
03/2019 - 4005066003 - AD NEPSI OPTIFLEX2200 R03 en
OPTIFLEX 2200 C/F
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 Equipment protection levels (EPL) and dust zones ......................................................... 5
1.4.1 Ex ia and Ex iaD-approved devices ......................................................................................... 5
1.4.2 Ex d ia and Ex iaD tD-approved devices ................................................................................. 5
1.5 NEPSI nameplates............................................................................................................ 6
2 Installation
8
2.1 Precautions....................................................................................................................... 8
2.1.1 General notes.......................................................................................................................... 8
2.1.2 Electrostatic discharge........................................................................................................... 8
2.2 Operating conditions ...................................................................................................... 10
2.2.1 Ambient and flange temperature ......................................................................................... 10
2.2.2 Maximum surface temperature of the housing for dust applications ................................. 16
2.2.3 Process pressure.................................................................................................................. 16
3 Electrical connections
17
3.1 General notes ................................................................................................................. 17
3.2 Terminal compartment .................................................................................................. 17
3.2.1 How to open the terminal compartment .............................................................................. 17
3.2.2 How to close the terminal compartment ............................................................................. 19
3.3 Terminal tightening capacity.......................................................................................... 19
3.4 Equipotential bonding system........................................................................................ 20
3.5 Ex ia and Ex iaD equipment............................................................................................ 21
3.5.1 How to connect the electrical cables ................................................................................... 21
3.5.2 Maximum intrinsically-safe values for the electrical circuit ............................................... 21
3.5.3 Supply voltage ....................................................................................................................... 21
3.5.4 Electrical schematic ............................................................................................................. 22
3.6 Ex d ia and Ex iaD tD equipment .................................................................................... 23
3.6.1 General notes........................................................................................................................ 23
3.6.2 How to connect the electrical cables ................................................................................... 24
3.6.3 Supply voltage ....................................................................................................................... 24
3.6.4 Electrical schematic ............................................................................................................. 24
4 Start-up
26
5 Service
27
5.1 Periodic maintenance..................................................................................................... 27
5.2 Keep the device clean..................................................................................................... 27
5.3 Manufacturer.................................................................................................................. 27