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Contents
WIKA Operating Instructions - Process pressure transmitter CPT-2x
Contents
1 About this document ............................................................................................................... 4
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety ......................................................................................................................... 5
2.1 Authorised personnel ....................................................................................................... 5
2.2 Appropriate use................................................................................................................ 5
2.3 Warning about incorrect use............................................................................................. 5
2.4 General safety instructions............................................................................................... 5
2.5 EU conformity................................................................................................................... 5
2.6 NAMUR recommendations .............................................................................................. 6
2.7 Installation and operation in the USA and Canada ........................................................... 6
3 Product description ................................................................................................................. 7
3.1 Conguration.................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Supplementary cleaning procedures.............................................................................. 12
3.4 Packaging, transport and storage................................................................................... 13
4 Mounting................................................................................................................................. 14
4.1 General instructions ....................................................................................................... 14
4.2 Instructions for oxygen applications ............................................................................... 16
4.3 Ventilation and pressure compensation.......................................................................... 16
4.4 Process pressure measurement..................................................................................... 18
4.5 Level measurement........................................................................................................ 20
4.6 External housing ............................................................................................................ 21
5 Connecting to power supply................................................................................................. 22
5.1 Preparing the connection ............................................................................................... 22
5.2 Connecting..................................................................................................................... 23
5.3 Single chamber housing................................................................................................. 24
5.4 Housing IP66/IP68 (1 bar) .............................................................................................. 25
5.5 External housing with version IP68 (25 bar) ................................................................... 26
5.6 Switch-on phase............................................................................................................. 27
6 Set up with the display and adjustment module ................................................................ 29
6.1 Insert display and adjustment module............................................................................ 29
6.2 Adjustment system......................................................................................................... 29
6.3 Measured value indication.............................................................................................. 30
6.4 Parameter adjustment - Quick setup .............................................................................. 31
6.5 Parameter adjustment - Extended adjustment................................................................ 31
6.6 Saving the parameterisation data................................................................................... 44
7 Diagnostics and servicing .................................................................................................... 45
7.1 Maintenance .................................................................................................................. 45
7.2 Cleaning - hygienic connection with compression nut .................................................... 45
7.3 Diagnosis function.......................................................................................................... 46
7.4 Rectify faults................................................................................................................... 48
7.5 Exchange process module on version IP68 (25 bar) ...................................................... 48
7.6 Instrument repair ............................................................................................................ 49
