The RXB39.1 room controller is used for temperature control in individual rooms.
For 2-pipe and 4-pipe fan coil systems with or without changeover

PI control

KNX bus communication

Connection to Desigo building automation and control system via PX KNX

DC 0...10 V control of valve and actuators, fan (ECM), and electric heater

2 Potential-free relay contacts to release fan and electric heating

Commissioning with ETS Professional, "Handy Tool" QAX34.3 or Synco ACS

Operating voltage AC 230 V

Plug-in screw terminals