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2. Table of contents
7
2
Tab le of co nte nt s
1
Foreword ...............................................................................................................................................................................5
1.1
Notes on the compressor .............................................................................................................................................5
1.2
Intended use..................................................................................................................................................................5
1.3
Maintenance..................................................................................................................................................................5
1.4
Notes .............................................................................................................................................................................5
2
Table of contents .................................................................................................................................................................7
3
Safety regulations ...............................................................................................................................................................9
3.1
Identification of safety guidelines .................................................................................................................................9
3.2
General safety instructions...........................................................................................................................................9
3.3
Changes and modifications to the machine ..............................................................................................................10
3.4
Installation and normal operation...............................................................................................................................10
3.5
Special work/maintenance .........................................................................................................................................12
3.6
Warning of special dangers........................................................................................................................................14
3.7
Storage of compressors .............................................................................................................................................15
3.8
Symbols and explanations .........................................................................................................................................16
4
Design and functioning ....................................................................................................................................................20
4.1
Design of the unit ........................................................................................................................................................20
4.2
Schematic diagram .....................................................................................................................................................21
4.2.1
Schematic diagram ESM 30 ...........................................................................................................................21
4.2.2
Schematic diagram ESM 37-ESM 50 ............................................................................................................22
4.3
Oil circuit......................................................................................................................................................................23
4.4
Air circuit......................................................................................................................................................................23
4.5
System control ............................................................................................................................................................23
4.5.1
System control ESM 30 (Fig. 3 a) ..................................................................................................................23
4.5.2
System control ESM 37-ESM 50 (Fig. 3 b)....................................................................................................24
4.5.3
Manner of operation of the suction regulator ESM 45-ESM 50 ....................................................................26
5
Transport and installation ................................................................................................................................................27
5.1
Transport .....................................................................................................................................................................27
5.2
Installation ...................................................................................................................................................................28
6
Preparations for commissioning ....................................................................................................................................29
6.1
Cooling air volume/minimum cross ............................................................................................................................29
6.2
Compressed air connection........................................................................................................................................30
6.3
Electrical connection...................................................................................................................................................30
6.3.1
Electrical connection (EUROPE-Version only)..............................................................................................30
6.3.2
Electrical connection (USA/CANADA-Version only) .....................................................................................33
6.4
Oil level check .............................................................................................................................................................35
6.5
Sound pressure level ..................................................................................................................................................35
7
Commissioning ..................................................................................................................................................................36
7.1
First commissioning ....................................................................................................................................................36
7.2
Routine commissioning ..............................................................................................................................................38
7.3
Commissioning after malfunction...............................................................................................................................38
8
Service and maintenance.................................................................................................................................................39
8.1
Maintenance recommendations.................................................................................................................................39
8.2
Maintenance electric motor ........................................................................................................................................39
8.3
Maintenance schedule................................................................................................................................................40
8.4
Oil change ...................................................................................................................................................................41
8.5
Change of oil filter cartridge .......................................................................................................................................42
8.6
Change of the fine separator cartridge ......................................................................................................................42
8.7
Change of air intake filter............................................................................................................................................43
8.8
Safety valve.................................................................................................................................................................44
8.9
Connecting terminals in the switch cabinet/control transformer setting...................................................................45
8.10
Fittings .........................................................................................................................................................................45
8.11
General maintenance and cleaning ...........................................................................................................................45
8.12
Clean / change filter mat with cooling air inlet and control cabinet inlet ..................................................................45
8.13
Maintenance information and lubricant recommendations for stationary compressors..........................................46
9
Trouble-shooting ...............................................................................................................................................................47