the application and prepared a customized solution for this application: outdoor cooling unit DTI 8561 plus 4th generation IP55 outdoor filterfans. The cooling unit has RS485 communication protocol, robust [...] e Big cooling capacity Digital communication Maintenance free Technique applied Cooling Units DTI 8561 Filterfan PF 32.000 and 65.000 Exhaust Filters PFA 30.000 and 60.000 Success factors Sharp finding