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4.5
Floating relay contacts .....................................................................................................
22
4.6
Options .............................................................................................................................
23
4.6.1
Machine mountings .............................................................................................
23
4.6.2
LOAD-IDLE control by remote contact ...............................................................
23
4.6.3
Microfilter ............................................................................................................
24
4.6.4
Activated carbon filter .........................................................................................
24
4.7
Operating modes and control modes ...............................................................................
25
4.7.1
Operating modes ................................................................................................
25
4.7.2
Control modes ....................................................................................................
25
4.8
Refrigeration Dryer Control Modes ..................................................................................
26
4.9
Safety Devices .................................................................................................................
27
4.10 SIGMA CONTROL BASIC Keys and Indicators ...............................................................
27
4.11 SIGMA CONTROL BASIC function ..................................................................................
28
4.11.1 Display layout ....................................................................................................
28
4.11.2 Parameters .........................................................................................................
29
4.11.3 Messages ...........................................................................................................
30
5 Installation and Operating Conditions
5.1
Safety ...............................................................................................................................
31
5.2
Installation conditions .......................................................................................................
31
5.2.1
Determining location and clearances ..................................................................
31
5.2.2
Ensure adequate ventilation ...............................................................................
32
5.2.3
Exhaust duct design ...........................................................................................
32
5.3
Using the Compressor to Supply A Compressed Air System. .........................................
33
6 Installation
6.1
Safety ...............................................................................................................................
34
6.2
Reporting Transport Damage ...........................................................................................
34
6.3
Making the Compressed Air Connection ..........................................................................
34
6.4
Making the Power Supply Connection .............................................................................
35
6.4.1
Refrigeration dryer: Connecting the transformer according to the power supply.
.............................................................................................................................
36
6.5
Connecting the condensate drain ....................................................................................
36
6.6
Options .............................................................................................................................
37
6.6.1
Anchoring the machine .......................................................................................
37
6.6.2
Connecting the remote contact LOAD-IDLE control ...........................................
37
7 Initial Start-up
7.1
Safety ...............................................................................................................................
38
7.2
To be noted before commissioning ..................................................................................
38
7.3
Checking positioning and operating conditions ................................................................
39
7.4
Setting the overload protection cut-out ............................................................................
40
7.5
Hot gas bypass valve setting ...........................................................................................
40
7.6
Pouring cooling oil into the airend ....................................................................................
42
7.7
Checking direction of rotation ...........................................................................................
43
7.8
Starting the machine for the first time ..............................................................................
43
7.9
Checking the Door Interlock Switch .................................................................................
44
7.10 Setting the setpoint pressure ...........................................................................................
44
8 Operation
8.1
Switching on and off .........................................................................................................
46
8.1.1
Switching on .......................................................................................................
46
8.1.2
Switching off .......................................................................................................
46
8.2
Switching Off in an Emergency and Switching On again .................................................
47
8.3
Acknowledging alarm and warning messages .................................................................
48
8.4
Setting parameters ...........................................................................................................
48
Contents
ii
Service manual Screw compressor
Aircenter SX 3/7.5 SIGMA CONTROL BASIC
Number: 9_6945 01USE