Centralized System

Flexa 3.0 is the ideal system for controlling centralized units in both residential and tertiary installations. It is compatible with Inverter or VRF units and also hydronic units. Besides, it enables you to control your radiant zoned heating thanks to the radiant control module.

Esquema de conexión Flexa

This system has a star topology: all thermostats of the system (whether they are wired or wireless) can communicate with the main control board, which controls the motorized air diffusion. It can also be combined with other controllers and with the Webserver Airzone Cloud, which are both directly connected to the main control board.


  • Individual control of up to 8 zones.
  • Integrated control of direct-expansion units or ducted fancoils.
  • Eco-Adapt energy efficiency algorithm.
  • Q-Adapt algorithm for flow distribution.
  • Input configurable as supplementary probe or remote start-stop of the system.
  • Compatible with main control board units.
  • Control output configurable for the activation of supplementary boilers.
  • Notifications of the AC unit errors on Airzone thermostats.


  • Configuration of the operating modes.
  • Proportional control of the dampers.
  • Control of the angle of the slats.
  • One thermostat per zone to control the air conditioning.