4.4.1
Machine operating modes ..................................................................................
25
4.4.2
Control modes ....................................................................................................
26
4.5
Operating panel SIGMA CONTROL 2 ............................................................................
27
4.6
Floating relay contacts .....................................................................................................
30
4.7
Options .............................................................................................................................
30
4.7.1
Machine mountings .............................................................................................
30
4.7.2
Prepared for external heat recovery ...................................................................
30
5 Installation and Operating Conditions
5.1
Ensuring safety ................................................................................................................
32
5.2
Installation conditions .......................................................................................................
32
5.2.1
Determining location and clearances ..................................................................
32
5.2.2
Ensuring the machine room ventilation ...............................................................
33
5.2.3
Exhaust duct design ...........................................................................................
34
5.3
Operating the machine in a compressed air system ........................................................
34
6 Installation
6.1
Ensuring safety ................................................................................................................
35
6.2
Reporting Transport Damage ...........................................................................................
36
6.3
Connecting the machine with the compressed air network ..............................................
36
6.4
Connecting the external pressure transducer ..................................................................
36
6.5
Making the Power Supply Connection .............................................................................
37
6.5.1
Changing main voltage connections ...................................................................
38
6.6
Options .............................................................................................................................
39
6.6.1
Anchoring the machine .......................................................................................
39
6.6.2
Connecting the external heat recovery system ...................................................
39
7 Initial Start-up
7.1
Ensuring safety ................................................................................................................
40
7.2
Instructions to be observed before commissioning or re-commissioning .........................
41
7.3
Checking installation and operating conditions ................................................................
41
7.4
Setting the overload protection relay ................................................................................
42
7.5
Pouring cooling oil into the airend ....................................................................................
42
7.6
Activating and deactivating the MODULATING control ....................................................
43
7.7
Starting the machine for the first time ..............................................................................
44
7.8
Setting the set point pressure ..........................................................................................
45
7.9
Checking the Door Interlock Switch .................................................................................
45
7.10 Setting the display language ............................................................................................
45
8 Operation
8.1
Switching on and off .........................................................................................................
47
8.1.1
Switching on .......................................................................................................
47
8.1.2
Switching off .......................................................................................................
47
8.2
Switching off in an emergency and switching on again ....................................................
48
8.3
Switching on and off from a remote control center ...........................................................
48
8.4
Using the timer for switching on and off ...........................................................................
49
8.5
Interpreting operation messages ......................................................................................
50
8.6
Acknowledging alarm and warning messages .................................................................
50
9 Fault Recognition and Rectification
9.1
Basic instructions .............................................................................................................
52
9.2
Other Faults .....................................................................................................................
52
10 Maintenance
10.1 Ensuring safety ................................................................................................................
54
10.2 Following the maintenance plan .......................................................................................
55
10.2.1 Logging maintenance work .................................................................................
55
Contents
ii
Operator Manual Screw Compressor
SM Tri-Voltage, SIGMA CONTROL 2
9_5875 33 USE
