ALTOSONIC
III
4
Table of contents
1.
Introduction .....................................................................................................................................................5
1.1
Cautions................................................................................................................................................................................................................ 5
1.2
Unpacking and inspection .................................................................................................................................................................................. 5
1.3
System description.............................................................................................................................................................................................. 5
1.4
Approvals.............................................................................................................................................................................................................. 5
2.
Mechanical Installation ...................................................................................................................................6
2.1
Handling the flowmeter ....................................................................................................................................................................................... 6
2.2
Installation location and position....................................................................................................................................................................... 6
2.3
Accessibility and environmental precautions .................................................................................................................................................. 8
2.4
Special installation requirements....................................................................................................................................................................... 8
2.5
Pipe flanges.......................................................................................................................................................................................................... 9
2.6
Pipes with cathodic protection........................................................................................................................................................................... 9
3.
Connecting the signal converter..................................................................................................................10
3.1
Safety instructions............................................................................................................................................................................................. 10
3.2
Installation in hazardous areas ........................................................................................................................................................................ 10
3.3
Converter terminal box...................................................................................................................................................................................... 10
3.4
Power supply connection ................................................................................................................................................................................. 10
3.5
Connection of sensor cables............................................................................................................................................................................ 11
3.6
Electrical connection of the signal inputs and outputs................................................................................................................................. 12
3.7
Connection diagram examples......................................................................................................................................................................... 12
3.8
Start-up ............................................................................................................................................................................................................... 14
3.9
Operating the signal converter......................................................................................................................................................................... 14
3.10
Menu structure and function of operating keys ............................................................................................................................................. 15
3.11
Description of functions.................................................................................................................................................................................... 20
4.
Functional checks and service ....................................................................................................................26
4.1
Functional checks.............................................................................................................................................................................................. 26
4.2
Device information............................................................................................................................................................................................. 26
4.3
Measuring zero flow value ................................................................................................................................................................................ 26
5.
Installation in hazardous areas, zone 1 and zone 2 ...................................................................................27
5.1
Approvals............................................................................................................................................................................................................ 27
5.2
Compact flowmeter............................................................................................................................................................................................ 27
5.3
Flow sensor ........................................................................................................................................................................................................ 27
5.4
Flow converter.................................................................................................................................................................................................... 28
5.5
Technical data .................................................................................................................................................................................................... 29
6.
Electrical installation ....................................................................................................................................30
6.1
General................................................................................................................................................................................................................ 30
6.2
Connecting cables ............................................................................................................................................................................................. 30
6.3
Connection diagrams ........................................................................................................................................................................................ 30
7.
Service and maintenance .............................................................................................................................33
7.1
Introduction ........................................................................................................................................................................................................ 33
7.2
Replacement of electronics unit or power fuse(s) ......................................................................................................................................... 33
7.3
Replacement of electronics unit....................................................................................................................................................................... 34
7.4
Replacement of mains fuse .............................................................................................................................................................................. 34
7.5
Returning the flowmeter to KROHNE for service or repair............................................................................................................................ 35
Summary of Contents for Altosonic III
Page 31: ...Installation and operating instructions 31 ALTOSONIC III ...
Page 32: ...ALTOSONIC III 32 ...
Page 36: ...ALTOSONIC III 36 Appendix 1 EC Type examination certificate ...
Page 37: ...Installation and operating instructions 37 ALTOSONIC III ...
Page 38: ...ALTOSONIC III 38 ...
Page 39: ...Installation and operating instructions 39 ALTOSONIC III ...
Page 40: ...ALTOSONIC III 40 ...
Page 41: ...Installation and operating instructions 41 ALTOSONIC III Appendix 2 Declaration of conformity ...
Page 42: ...ALTOSONIC III 42 Appendix 3 Type plates ...
Page 43: ...Installation and operating instructions 43 ALTOSONIC III Notes ...