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Item Sign
Name
Function
Background LED
1
–
Indicator field or
display
Graphic display
–
2
«Up» and
«Down» keys
■ Scrolls upwards or downwards
through the menu options.
■ Enter settings.
■ Change values.
■ Switch between menu pages.
–
3
«Enter» key
■ Jumps to the selected menu op‐
tion.
■ Ends an input.
■ Activate the input.
■ Acknowledges/resets mainte‐
nance tasks.
■ Returns to the superordinate
menu item (quick touch)
■ Closes the menu (press for at
least two seconds)
–
4
Key
«LOAD/IDLE»
Toggles the compressor between
LOAD and IDLE operating modes.
Flashes when ready for
switching to LOAD
mode.
Continuous light when
the machine is running
under LOAD.
5
«STOP» key
■ Stops the machine.
■ Acknowledges/resets mainte‐
nance tasks.
Continuous light when a
fault has occurred.
6
«START» key
Starts the machine.
Flashes when ready to
start.
Continued light when
engine is running.
Tab. 50 Instrument panel keys and displays
Further information For more information about the controller's functionality, please see the separate
SIGMA CONTROL SMART user manual.
4.7 Emission after-treatment
The exhaust from a diesel engine contains invisible particles that are dangerous to health.
State-of-the-art engine technologies are used to reduce the emission of pollutants and to meet the
tighter exhaust standards (EURO 5 and future ones). This comprises technologically enhanced en‐
gines with an increased peak pressure improving the combustion and reducing the number of parti‐
cles. Furthermore, all engines are fitted with various after-treatment facilities.
These facilities contribute to the protection of human health and the environment.
4
Design and Function
4.7
Emission after-treatment
42
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE