1-Five channel 10A relay outputs 2-Two channel 0-10V DC outputs 3-Fan speed: High, Medium,Low 4-HVAC working mode: Heating, Cooling 5-HVAC operation mode: Standby mode, Comfort mode, Night mode, Frost protection 6-Fan speed and Valve status report 7-Seven local temperature sampling 8-BUS temperature sampling 9-Local temperature report 10-Seven channel floor heating outputs 11-Five control mode each floor heating channel 12-Seven channel output independently 13-Channel statistics total ON time 14-Channel state response 15-Channel state after bus voltage failure and recovery