2
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 Configuration
.................................................................................................................... 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
