Gardner Denver L Series Original User And Service Manual Download Page 9

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13-25-639 v00 Page 8

1 Warning -Prohibition - Mandatory Label Information ........................................................................................ 2

2 Preface .................................................................................................................................................................. 5

2.1

Compressor Information .............................................................................................................................. 6

2.2

Intended Use ............................................................................................................................................... 6

2.3

Maintenance and Care ................................................................................................................................ 6

2.4

Notes ........................................................................................................................................................... 6

3 Table of contents .................................................................................................................................................. 8

4 Safety regulations .............................................................................................................................................. 10

4.1

General safety regulations ......................................................................................................................... 10

4.2

Particular dangers associated with compressed air ................................................................................... 11

4.3

Particular dangers associated with machines ............................................................................................ 13

4.4

Particular dangers associated with water-cooled units ................................................................................... 14

4.5

Dangers present when loading/moving machines ..................................................................................... 14

4.6

General workplace dangers ....................................................................................................................... 15

4.7

Dangers resulting from neglecting to perform maintenance ....................................................................... 15

4.8

Dangers during maintenance and repairs .................................................................................................. 16

4.9

Dangers resulting from conversion work/modifications on the machine ..................................................... 18

5 Design and functioning ...................................................................................................................................... 19

5.1

Design of the unit .............................................................................................................................................. 19
5.1.1 Design of air-cooled units .................................................................................................................. 19
5.1.2 Design of water-cooled units ............................................................................................................. 20

5.2

System Schematic ..................................................................................................................................... 21

5.3

Oil circuit ................................................................................................................................................... 22

5.4

Air circuit ................................................................................................................................................... 22

5.5

System control ........................................................................................................................................... 22

6 Transport and installation .................................................................................................................................. 24

6.1

Transport ................................................................................................................................................... 24

6.2

Installation ................................................................................................................................................. 25

7 Preparations for commissioning .............................................................................................................................. 26

7.1

Cooling air volume/minimum cross ............................................................................................................ 26

7.2

Compressed-air connection ............................................................................................................................. 27

7.3

Water connection for water-cooled units .................................................................................................... 28
7.3.1 Limit values of the constituent elements in water .............................................................................. 29

7.4

Electrical connection (USA/CANADA Version only) ................................................................................... 29
7.4.1 Check setting of the fan protection switch (only for L90RS-L132RS) ................................................ 30

7.5

Checking the Oil Level ............................................................................................................................... 31

8 Commissioning .................................................................................................................................................. 33

8.1

First commissioning ................................................................................................................................... 33

8.2

Putting a decommissioned compressor back into operation ...................................................................... 37

8.3

Display of the compressor controller ........................................................................................................ 37

8.4

Routine commissioning ............................................................................................................................. 38

8.5

Commissioning after malfunction ............................................................................................................... 38

8.6

Shutoff ....................................................................................................................................................... 39

8.7

Emergency stop ........................................................................................................................................ 39

9 Storage of compressors ............................................................................................................................................ 40

9.1

Decommissioning ...................................................................................................................................... 40