20/06/2011  PM 9845 0512 02    Page 26 of 36 
9.  Energy recovery data  
9.1.  Reference conditions  
•  Air inlet temperature ........................... °C 20  
•  Absolute air inlet pressure ................. bar 1  
 
9.2.  Effective operating pressure  
•  7.5 bar units ........................................ bar 7  
•  10 bar units ......................................... bar 9.5  
•  13 bar units ......................................... bar 12.5  
•  100 psi units ....................................... psi 100  
•  125 psi units ....................................... psi 125  
•  150 psi units ....................................... psi 150  
•  175 psi units ....................................... psi 175  
 
9.3.  Maximum operating pressure  
•  Oil side ................................................ bar 15  
•  Water side........................................... bar 10  
 
9.4.  Reading settings  
To read a setting, please refer to the section Elektronikon in the instruction manual of the compressor. In addition to other 
data, the following temperatures can be read by pressing the scroll key:  
•  The water inlet temperature of the ER unit.  
•  The water outlet temperature of the ER unit.  
 
9.5.  Modifying settings  
If the pre-programmed warning settings for the water temperatures are exceeded, a warning indication is shown on the 
compressor control module:  
Temperature input
   
Unit   Min. setting   Nom. setting   Max. setting  
Energy recovery water inlet   °C   0   50   99  
Delay at warning signal   sec   0   Please contact  
Atlas Copco  
255  
Delay at start should be less than delay at 
warning signal  
sec   0   Please contact  
Atlas Copco  
255  
Energy recovery water outlet   °C   0   Please contact  
Atlas Copco  
99  
Delay at signal   sec   0   Please contact  
Atlas Copco  
255  
Delay at start should be less than delay at 
warning signal  
sec   0   Please contact  
Atlas Copco  
255  
To modify a setting, please refer to the section Modifying parameters in the instruction manual of the compressor.