The compressor unit consists of screw compressor (1), separator (3) and
regulator with air filter (2). It monitors and controls the set operating mode of
the compressor.
After starting the motor, the screw compressor builds up the machine
pressure. In the operating mode "Delivery" the motor runs at the set speed.
The screw compressor delivers the maximum air volume.
When the maximum set machine pressure (approx. 8 to 9 bar) is reached,
the machine automatically shuts down and the screw compressor runs at
idle.
At a lower pressure, the screw compressor switches on again automatically.
If the pressure drops below 2 bar (mixing vessel empty), the screw
compressor switches off in automatic mode. In manual mode, the low
pressure enables the machine to be cleaned.
As soon as the motor is switched off or fails, the compressor, i.e. the entire
unit, vents via the drain valve.
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