sewerin miniLec 4, Operating Instructions Manual

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Contents Page
1 General information ................................................................1
1.1 Warranty .................................................................................... 1
1.2 Application purpose ................................................................... 2
1.3 Intended usage ......................................................................... 2
1.4 General safety instructions ........................................................3
2 Equipment ................................................................................4
2.1 Connections ..............................................................................4
2.2 Visual and audible signals ......................................................... 5
2.3 Infrared interface .......................................................................6
3 Operation .................................................................................7
3.1 Measuring mode ....................................................................... 7
3.1.1 General information regarding the measuring mode .............. 7
3.1.1.1 Switching on the device ...................................................... 7
3.1.1.2 User menu ......................................................................... 10
3.1.2 Setting the zero point ........................................................... 11
3.1.3 Test of working order ............................................................ 12
3.1.3.1 Preparations ...................................................................... 12
3.1.3.2 Execution .......................................................................... 13
3.1.3.3 Analysis of working order .................................................. 14
3.1.4 Main test ............................................................................... 15
3.1.4.1 Preparations ...................................................................... 15
3.1.4.2 Execution .......................................................................... 16
3.1.5 Preliminary test .................................................................... 17
3.1.5.1 Preparations: ..................................................................... 18
3.1.5.2 Execution .......................................................................... 18
3.1.6 Regulator inspection ............................................................ 20
3.1.6.1 Preparations ...................................................................... 20
3.1.6.2 Execution .......................................................................... 20
3.1.6.3 Dynamic pressure ............................................................. 22
3.1.6.4 Static pressure .................................................................. 22
3.1.6.5 Reaction pressure inspection ............................................ 23
3.1.6.6 Zero shut-off ...................................................................... 23
3.1.6.7 Low-pressure cut-off valve (Low flow safe) ....................... 23
3.1.7 Start measurement/Stop measurement/Store ...................... 24
3.1.8 Protocols .............................................................................. 25