Gardner Denver ESM 30 Original User Manual page 7

2. Table of contents
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
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