Table of Contents SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual
02250247-571 R04
3 Subject to EAR, ECCN EAR99 and related export control restrictions.
3.12 Piping & instrumentation, air-cooled—SN55S, SN75S ................................................................. 39
3.13 Piping & instrumentation, water-cooled—SN55S, SN75S ............................................................ 41
3.14 Piping & instrumentation, air-cooled—SN55V, SN75V ................................................................. 43
3.15 Piping & instrumentation, water-cooled—SN55V, SN75V ............................................................ 45
3.16 Wiring diagram, wye-delta............................................................................................................. 47
3.17 Wiring diagram, VSD air-cooled parallel wye ................................................................................ 51
Section 4: Installation............................................................................................54
4.1 Mounting of compressor................................................................................................................ 54
4.2 Ventilation & cooling...................................................................................................................... 54
4.2.1 Air-cooled compressors ...................................................................................................... 54
4.2.2 Water-cooled compressors................................................................................................. 54
4.2.3 Water system venting ......................................................................................................... 55
4.2.4 Draining the water system ..................................................................................................55
4.2.5 Water quality recommendations ......................................................................................... 56
4.2.5.1 Scale ......................................................................................................................... 56
4.2.5.2 Corrosion................................................................................................................... 56
4.2.5.3 Biological and organic fouling (slime)........................................................................ 56
4.2.6 Seawater-cooled units ........................................................................................................ 56
4.3 Outdoor installation (sheltered) ..................................................................................................... 57
4.4 Service air piping........................................................................................................................... 57
4.4.1 Pipe sizing .......................................................................................................................... 58
4.4.2 Use of auxiliary receiver tank.............................................................................................. 58
4.5 Coupling alignment check ............................................................................................................. 59
4.6 Fluid level check............................................................................................................................ 59
4.7 Electrical preparation..................................................................................................................... 59
4.8 Motor rotation direction check ....................................................................................................... 59
Section 5: Controller..............................................................................................62
5.1 Controller layout ............................................................................................................................ 62
5.2 Home page.................................................................................................................................... 64
5.3 Main Menu page............................................................................................................................ 65
5.4
User Preferences page .................................................................................................................. 66
5.5 Menu hierarchy.............................................................................................................................. 67
5.6 AirLinx™ remote monitoring (optional).......................................................................................... 68
5.6.1 Troubleshooting AirLinx communications ........................................................................... 68
Section 6: Maintenance .........................................................................................70
6.1 General.......................................................................................................................................... 70
6.2 Daily operation .............................................................................................................................. 70
6.3 Maintenance after initial 50 hours of operation ............................................................................. 70
6.4 Maintenance every 2000 hours ..................................................................................................... 70
6.5 Fluid maintenance ......................................................................................................................... 70
6.6 Filter maintenance......................................................................................................................... 71
6.6.1 Fluid filter element replacement.......................................................................................... 71
6.6.2 Air filter element replacement .............................................................................................71