Control gateway for air-to-water air conditioning units. It controls up to three fan-speeds and the opening and closing of the electrovalves. Compatible with 2-pipe or 4-pipe installations. Externally power supplied. DIN rail assembly. Functionalities:

• Two electrovalve control relays in case of demand.
• Three control relays for fan speed selection.
• Automatic speed selection according to the number of zones on demand.