MDT KNX Heating Actuator 8-gang 24/230 V AC REG – AKH-0800.03

KNX heating actuator 8-fold, 4TE REG, 24-230 V AC. Heating actuator for controlling electrothermal actuators, with LED display per channel. New generation with extended functionality. Each channel can control up to 4 actuators (230 V AC). Free assignment of outputs to the controller channel. Control with 1 bit (switching/PWM) / 1 byte (continuous) manipulated variables or direct control with temperature value via KNX bus. Integrated PI temperature controller (heating and cooling). Comfort, night, frost protection mode. Summer/winter mode. Setpoint adjustment with 1 bit +/-, 1 byte or 2 byte absolute object. Independent setpoint presetting for comfort, standby and night. Setpoint storage in case of bus voltage failure. Emergency operation in case of manipulated variable failure. Overload protection with fault message object (230 V AC). Fault message via object in case of 230 V supply voltage failure. Objects for heating request and valve exercise function. Extensive scene functions. Compatible with many visualizations. Minimum flow temperature. Plain text diagnosis per channel with 14-byte object. Fast application download (long frame support from ETS 5). 3 years product warranty.