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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................................................................................................................... 6
2.6 Permissible process pressure .......................................................................................... 6
2.7 NAMUR recommendations .............................................................................................. 6
2.8 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................................................................................... 12
4 Mounting................................................................................................................................. 14
4.1 General instructions ....................................................................................................... 14
4.2 Ventilation and pressure compensation.......................................................................... 15
4.3 Process pressure measurement..................................................................................... 17
4.4 Level measurement........................................................................................................ 19
4.5 External housing ............................................................................................................ 20
5 Connecting to power supply................................................................................................. 21
5.1 Preparing the connection ............................................................................................... 21
5.2 Connecting..................................................................................................................... 22
5.3 Single chamber housing................................................................................................. 23
5.4 Housing IP 66/IP 68 (1 bar) ............................................................................................ 24
5.5 External housing with version IP 68 (25 bar)................................................................... 25
5.6 Switch-on phase............................................................................................................. 26
6 Set up with the display and adjustment module ................................................................ 28
6.1 Insert display and adjustment module............................................................................ 28
6.2 Adjustment system......................................................................................................... 28
6.3 Measured value indication.............................................................................................. 29
6.4 Parameter adjustment - Quick setup .............................................................................. 30
6.5 Parameter adjustment - Extended adjustment................................................................ 30
6.6 Saving the parameterisation data................................................................................... 43
7 Diagnostics and servicing .................................................................................................... 44
7.1 Maintenance .................................................................................................................. 44
7.2 Cleaning - hygienic connection with compression nut .................................................... 44
7.3 Diagnosis function.......................................................................................................... 45
7.4 Rectify faults................................................................................................................... 47
7.5 Exchange process module on version IP 68 (25 bar) ..................................................... 48
7.6 Instrument repair ............................................................................................................ 49
