Fig. 6 Stepless regulation of FAD (standstill)
3
Inlet valve
4
Airend
5
Oil separator tank
46
Nozzle
63
Control valve (proportional valve)
52
Control valve
23
Proportional controller (electric)
27
Venting valve
4.5 Safety devices
4.5.1 Monitoring functions with shutdown
The SIGMA CONTROL MOBIL the important machine parameters. The machine is automatically shut
down if an alarm occurs.
The SIGMA CONTROL MOBIL saves the alarm message.
Further information Further information on alarm messages is to be found in chapter 9.2.1.
4.5.2 Further safety devices
The following safety devices are provided and may not be modified in any way.
■ Quick stop button
For immediate shutdown of the machine. The engine comes to a stop. The pressure system is
vented.
4
Design and Function
4.5
Safety devices
32
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
No.: 9_6975 00 E