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ABB Caldion®

Truly the one

ABB Caldion®, part of the ABB i-bus® KNX portfolio is a Room-Temperature Controller for fan coil units with either 2 pipes, 2 pipes with electric heater or 4 pipe system application. Flush Mounted, BS standard, It can be installed as a standalone configuration or with built-in integrated bus coupling as a KNX device. It is equipped with a temperature sensor and 2 x binary input for either presence detection, window, dewpoint alarm or condensate alarm. It has an integrated actuator for valve control of on/ off or 0-10V with 3 x fan speed control. It has dedicated capacitive touch control button for intuitive control and mode operation selection. Its frameless design equipped with a large display ensure the ease of viewing and elegance.


  • An integrated (control and actuator) room temperature controller
  • One device supports multiple types of application
  • Option to select standalone or KNX configurations
  • Enhance function configurable via ETS application


  • Easy replacement for existing conventional thermostat
  • Cost-effective installation
  • Intuitive design for ease of controls
  • Simple and effective application with option for expansion

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