FCA 2 KNX fan coil actuator
THEBEN 4920210

FCA 2 KNX fan coil actuator

Product code: 4920210
With the fan coil actuator FCA 2 KNX, Theben presents a fan coil actuator for efficient heating control. It supports 2 and 4 pipe systems and is, for instance, optimally suited for the use in hotel rooms, office buildings, and apartment complexes. Proportionally controllable control valves and fan (0-10 V) ensure precise temperature control. Via the switch outputs, the fan can be controlled in three increments. Two inputs can be used for condensation monitoring and for connecting an external temperature sensor or window contact. The KNX actuator can be used universally for voltages from 100-240 V and 50-60 Hz. Thanks to the adjustable restart delay, small split units can also be controlled.
Price (Excluding GST)


  • For controlling fan coils
  • For 2 and 4 pipe systems
  • For up to three fan stages
  • Optionally with 0-10 V fan control
  • For proportional 0-10 V valves
  • Additional relay for electrical heater or cooler bank
  • Potential-free input for window contacts or temperature sensor
  • Potential-free, condensation monitoring
  • Display of operation status via 9 LEDs
  • Manual operation on device (fan satges, switching between heating and cooling)
  • Adjustment of setpoint value for cooling in relation to external temperature
  • Potential-free switching contact for either cooler or heater bank
  • With emergency program

Technical Details


Technical data

Operating voltage KNXBus voltage, ≥8 mA 
Operating voltage100  -  240 V AC 
Frequency50  -  60 Hz 
Width4 modules
Installation typeDIN rail
Type of contactNO contact
Switching capacity additional relay16 A
Switching capacity blower relay6 A
Ambient temperature-5 °C … +45 °C
Type of protectionIP 20
Protection classII according to EN 60 730-1



Technology KNX
Mounting DIN Rail
Input voltage 230VAC
Outputs 7
IP rating IP22
Mounting Width 4MW

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