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3 Contents
9
9
Control system .................................................................................................................................................................. 34
9.1
General ....................................................................................................................................................................... 34
9.2
Buttons ........................................................................................................................................................................ 34
9.3
Status indicator (display / LEDs) ............................................................................................................................... 34
9.4
Displaying / changing values ..................................................................................................................................... 35
9.4.1
Selecting values.............................................................................................................................................. 35
9.4.2
Changing values ............................................................................................................................................. 35
9.5
Default settings ........................................................................................................................................................... 35
9.5.1
Selecting the language................................................................................................................................... 35
9.5.2
Setting system pressure (except for L23RS-L29RS).................................................................................... 35
9.5.3
Setting system pressure (only for L23RS-L29RS)........................................................................................ 36
9.5.4
Setting time/date (timer) ................................................................................................................................. 36
9.6
Starting the unit........................................................................................................................................................... 36
9.7
Switching off the unit .................................................................................................................................................. 36
9.8
Emergency off button ................................................................................................................................................. 37
9.9
Acknowledging warning/fault messages ................................................................................................................... 37
9.9.1
Warning messages......................................................................................................................................... 37
9.9.2
Fault messages .............................................................................................................................................. 37
9.10
Menu structure (except for L23RS-L29RS) (example values) ................................................................................. 38
9.11
Menu structure (only for L23RS-L29RS) (example values) ..................................................................................... 39
10
Service and Maintenance ................................................................................................................................................ 40
10.1
Maintenance suggestions .......................................................................................................................................... 40
10.2
Electric Motor Maintenance ....................................................................................................................................... 40
10.3
Maintenance schedule and test schedule................................................................................................................. 40
10.3.1
Service Check List.......................................................................................................................................... 41
10.4
Oil change................................................................................................................................................................... 43
10.5
Change oil filter cartridge ........................................................................................................................................... 44
10.6
Changing the fine oil separator.................................................................................................................................. 45
10.7
Change air filter .......................................................................................................................................................... 46
10.8
Pressure relief valve................................................................................................................................................... 47
10.9
Connection terminals in the switch cabinet/control transformer settings ................................................................ 48
10.10
Screw connections ............................................................................................................................................... 49
10.11
General maintenance and cleaning..................................................................................................................... 49
10.12
Clean/replace cool air intake and control box filter pads.................................................................................... 49
10.13
Maintenance notes and lubricant recommendations for stationary compressors............................................. 51
10.14
Test period for pressure reservoir and electrical installation.............................................................................. 51
11
Troubleshooting ................................................................................................................................................................ 52
12
Appendix ............................................................................................................................................................................ 54
12.1
Technical Specifications............................................................................................................................................. 54
12.1.1
US version L23-L29 60 Hz ............................................................................................................................. 54
12.1.2
US Version L23RS.......................................................................................................................................... 55
12.1.3
US Version L26RS.......................................................................................................................................... 56
12.1.4
US Version L29RS.......................................................................................................................................... 57
12.2
Installation diagram .................................................................................................................................................... 58
Summary of Contents for L23
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