Atlas Copco Stationary Air Compressors User Manual

Instruction book 

2920 1521 00 

12 

 

 
Fig. 1.11 Elektronikon regulator on SF Multi 
 
 

 
To control the compressor and to read and modify programmable parameters, the regulator is provided with a 
control panel including: 
 
Ref Designation 

1 Start 

button 

Push button to start the compressor.  LED (8) lights up indicating 
that the regulator is operative (in automatic operation).   

2 Display 

Indicates messages concerning the compressor operating 
condition, a service need or a fault.   

3 

Scroll keys 

Keys to scroll through the display. 

4 Tabulator 

key 

Key to select the parameter indicated by a horizontal arrow.  
Only the parameters followed by an arrow pointing to the right 
are accessible for modifying. 

5 

Function keys 

Keys to control and program the compressor. 

6 

Voltage on LED 

Indicates that the voltage is switched on. 

7 

General alarm LED 

Is alight in case of a warning condition, see section 8.3. 

7 

General alarm LED 

Blinks in case of shut-down condition, if a sensor with shut-
down function is out of order or after an emergency stop.  See 
section 8.3. 

8 

Automatic operation LED 

Indicates that the regulator is automatically controlling the 
compressor: the compressor is stopped and restarted 
depending on the air consumption and the limitations 
programmed in the regulator. 

9 

Stop button 

Push button to stop the compressor.  LED (8) goes out.   

10 Pictograph 

Voltage 

on. 

11 Pictograph 

Alarm 

condition. 

12 Pictograph 

Automatic 

operation. 

S3 

Emergency stop button 

Push button to stop the compressor immediately in case of 
emergency.  After remedying the trouble, unlock the button by 
pulling it out.