2. Table of contents
5
2 Tab le of co nt e nt s
1 Foreword .............................................................................................................................................................................. 3
1.1 Notes on the compressor............................................................................................................................................. 3
1.2 Intended use ................................................................................................................................................................. 3
1.3 Maintenance ................................................................................................................................................................. 3
1.4 Notes............................................................................................................................................................................. 3
2 Table of contents ................................................................................................................................................................ 5
3 Safety regulations ............................................................................................................................................................... 7
3.1 Identification of safety guidelines................................................................................................................................. 7
3.2 General safety regulations ........................................................................................................................................... 7
3.3 Particular dangers associated with compressed air................................................................................................... 8
3.4 Particular dangers associated with machines........................................................................................................... 10
3.5 Particular dangers associated with water-cooled units ............................................................................................ 11
3.6 Dangers present when loading/moving machines.................................................................................................... 11
3.7 General workplace dangers....................................................................................................................................... 12
3.8 Dangers resulting from neglecting to perform maintenance .................................................................................... 12
3.9 Dangers during maintenance and repairs................................................................................................................. 13
3.10 Dangers resulting from conversion work/modifications on the machine ................................................................. 15
3.11 Symbols and explanations......................................................................................................................................... 16
4 Design and functioning.................................................................................................................................................... 19
4.1 Design of the unit........................................................................................................................................................ 19
4.1.1 Design of air-cooled units ............................................................................................................................. 19
4.1.2 Design of water-cooled units ........................................................................................................................ 20
4.2 Schematic diagram..................................................................................................................................................... 21
4.2.1 Schematic diagram L90 - L132 .................................................................................................................... 21
4.2.2 Schematic diagram L140 .............................................................................................................................. 22
4.3 Oil circuit ..................................................................................................................................................................... 23
4.4 Air circuit ..................................................................................................................................................................... 23
4.5 System control............................................................................................................................................................ 23
5 Transport and installation................................................................................................................................................ 25
5.1 Transport..................................................................................................................................................................... 25
5.2 Installation................................................................................................................................................................... 26
6 Preparations for commissioning .................................................................................................................................... 27
6.1 Cooling air volume/minimum cross............................................................................................................................ 27
6.2 Compressed air connection ....................................................................................................................................... 28
6.3 Cooling water connection (only Lxx W – water-cooled units) .................................................................................. 28
6.3.1 Limit values of the constituent elements in water........................................................................................ 29
6.4 Electrical connection (EUROPE-Version only) ......................................................................................................... 30
6.4.1 Check setting of the fan protection switch (L90RS-L132RS only).............................................................. 31
6.4.2 Checking the control transformer setting ..................................................................................................... 32
6.5 Oil level check............................................................................................................................................................. 33
6.6 Sound pressure level.................................................................................................................................................. 33
7 Commissioning.................................................................................................................................................................. 34
7.1 First commissioning.................................................................................................................................................... 34
7.2 Putting a decommissioned compressor back into operation.................................................................................... 35
7.3 Display of the compressor control DELCOS XL ....................................................................................................... 36
7.4 Routine commissioning .............................................................................................................................................. 36
7.5 Commissioning after malfunction .............................................................................................................................. 37
7.6 Shutoff......................................................................................................................................................................... 37
7.7 Emergency stop.......................................................................................................................................................... 37
8 Storage of compressors .................................................................................................................................................. 38
8.1 Shutdown .................................................................................................................................................................... 38
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