• Loading solenoid valve (Y1).
• The Elektronikon 001 regulator
Loading
As long as the working pressure is below the maximum limit, the solenoid valve is energised allowing control
air to flow to the unloader: the inlet valve opens completely and the unloading valve closes completely. The
compressor will run fully loaded (100% output).
Unloading
If the working pressure reaches the maximum limit, the solenoid valve is de-energised venting the control air:
the inlet valve closes completely and the unloading valve opens completely. The compressor will run fully
unloaded (0% output).
The GX 7 and GX 11 is equipped with the Elektronikon 001, an intelligent controller that will stop the
compressor after a variable period of unloaded operation:
• When the unloading pressure is reached after the first start and if there is no air consumption, the
compressor will run unloaded during 2 minutes and than stop.
• If there is a pressure request within the first 2 minutes after being stopped, the controller is expecting a
higher air consumption: the next time the unit will stop after 5 minutes of unloaded operation.
• If there is no pressure request earlier than 2 minutes after being stopped, the controller is expecting a lower
air consumption: the next time again it stops after 2 minutes of unloaded operation.
• If the compressor is stopped manually, it stops after 2 minutes unloaded operation.
The compressor will automatically restart when the net pressure drops to the minimum limit.
Instruction book
2920 7054 00 17
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