KAESER SK 22, Operating Manual

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Position Name Function
24
RFID RFID reader for the communication with a suitable RFID transponder.
Tab. 38 RFID reader
Further information More information about the use of RFID technology is provided in the SIGMA CONTROL 2 operat‐
ing manual.
4.4 Operating modes and control modes
4.4.1 Machine operating modes
STOP
The machine is connected to the power supply.
The
voltage applied to controller LED lights green.
The machine is switched off. The
on LED is extinguished.
READY
The machine has been activated with «ON»:
■ The
on LED lights green.
■ The drive motor is stopped.
■ The inlet valve is closed.
■ The minimum pressure/check valve isolates the oil separator tank from the air system.
■ The venting valve is open.
The compressor motor starts as soon as system pressure is lower than the set point pressure (cut-
off pressure).
In addition, timing and/or remote control may affect the start of the motor.
LOAD
The compressor motor runs under load.
■ The inlet valve is open.
■ The compressor block delivers compressed air to the system.
IDLE
The compressor motor runs unloaded with low power consumption.
■ The inlet valve is closed.
■ The minimum pressure/check valve isolates the oil separator tank from the air system.
■ The venting valve is open.
A small volume of air circulates through the bypass bore in the inlet valve, through the compressor
block and back to the inlet valve via the venting line.
4 Design and Function
4.4 Operating modes and control modes
901848 21 E
Operating Manual Rotary screw compressor
SK
31