KROHNE OPTITEMP TCA Ex EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 10/2010 - 4001087001 - Ex AD OPTITEMP TRA/TCA R02 en
OPTITEMP TRA/TCA
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............................................................................................................... 5
2.3 Marking............................................................................................................................. 7
2.4 Flammable products ........................................................................................................ 7
2.5 Equipment category ......................................................................................................... 8
2.6 Protection types................................................................................................................ 9
2.6.1 Protection type with zone separator for gas hazard areas.................................................... 9
2.6.2 Type of protection for gas hazard areas................................................................................. 9
2.6.3 Type of protection for dust hazard areas ............................................................................. 10
2.7 Temperature classes..................................................................................................... 11
2.7.1 Maximum permitted product temperature .......................................................................... 12
2.7.2 Temperature at process connection (without temperature transmitter)............................ 13
2.7.3 Temperature at process connection (with temperature transmitter) ................................ 15
2.7.4 Temperature at process connection (with temperature transmitter, classes T5 and T6) .. 17
2.7.5 Temperature at process connection for thermometers with connecting cable................. 18
2.8 Electrical data................................................................................................................. 20
3 Installation 21
3.1 Selecting the right thermometer and calculating limit values ..................................... 21
3.2 Assembly ........................................................................................................................ 25
4 Electrical connections 26
4.1 General notes ................................................................................................................. 26
4.2 Power supply .................................................................................................................. 26
4.3 Inputs / Outputs .............................................................................................................. 27
4.3.1 Pt100 measuring inserts....................................................................................................... 27
4.3.2 Thermocouple measuring inserts ........................................................................................ 27
4.4 Grounding and equipotential bonding............................................................................ 28
5 Operation 29
5.1 Starting up for the first time .......................................................................................... 29
5.2 Operation ........................................................................................................................ 29
6 Service 30
6.1 Maintenance ................................................................................................................... 30
6.2 Dismantling .................................................................................................................... 30
.book Page 2 Friday, November 19, 2010 2:23 PM