RDT 808, 815, 828: Communicative controller for universal use, flexotron800 
 
How energy efficiency is improved 
Maximum flexibility with regard to adjusting the controller to the particular system and thus ensuring extremely energy-efficient operation. Additionally, option to communicate with a management level via open protocols to exchange data for the energy-efficient operation of the installation 
 
Features 
• Configurable controller for a wide range of applications for ventilation, air-conditioning and heating 
• Many functions for sequences and monitoring 
• Easy to operate with large, illuminated LCD and buttons 
• Menus in 20 languages 
• Weekly and annual switching programmes with summertime/wintertime change-over 
• Configuration using display or PC tool 
• RS-485 interfaces with Modbus/RTU or TCP/IP with BACnet/IP (B-ASC controller) or integrated web server