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
