For 2-pipe and 4-pipe fan coil units

  • Support of communication protocol ‘Modbus RTU server’
  • One multi-functional input (X1) for keycard contact or external sensor
  • LCD backlit display and keylock function
  • Operating mode button: Comfort, Protection, and Economy (3-second long-press in Comfort)
  • ‘M’ button:
    • For 2-pipe applications: Heating, cooling, ventilation
    • For 4-pipe applications (auto): Automatic heating/cooling changeover, ventilation
    • For 4-pipe applications (manual): Heating, cooling, ventilation
  • 3-speed fan control (automatic or manual) via fan button
  • Display of either room temperature, setpoint or bus temperature
  • Support of Chinese standard conduit boxes (max. 78 × 78) ≥ 45 mm (±2) deep and British metal standard conduit boxes (max. 75 × 75) ≥ 47 mm (±2) deep
  • Adjustable commissioning and control parameters