Central unit to manage surface heating and cooling systems with central supply. It controls: • 1 mixing valve (with 0-10 V servomotor) + 1 mixing valve by using Wi-Mix (with 0-10 V servomotor) • Up to 16 temperature / humidity sensors • Up to 2 air handling units (dehumidification - recirculation - fresh aire ventilation - integration) In case of additional mixing valves, room sensors or air handling units, it is necessary to use Wi-S modules. The product includes: • 1 regulation unit • 1 supply water sensor • Ethernet board Installation into 6-module DIN rail – Power Supply 24Vac.