Siemens POS8.4420/109 Manual

Also see for POS8.4420/109: Manual Manual Basic documentation

A6V11519429_en--_b2020-10-14Room operating unitPOS8.4420/109; POS8.4440/109Communicative room operating units with KNX PL-Link.● Measurement of the room temperature (POS8.4420/109)● Measurement of the room temperature and humidity (POS8.4440/109)● Keys for adjustment of the room temperature setpoint, ventilation, domestic hotwater, time scheduler settings depending on the controller application● LCD display of room temperature, operating modes, humidity (only forPOS8.4440/109), time scheduler, notification, and clock setting● Operation with 8 push buttons● 2-wire interface to the controller through KNX PL-Link● Power supply of the room operating unit over KNX PL-Link● LCD display with backlight