Control gateway for air-to-water units. Fan control through 0-10V output and the opening and closing of electrovalves. Compatible with 2-pipe or 4-pipe installations. External power supply at 230 Vac. Mounted on DIN rail. Functionalities:

• Two electrovalve control relays for demand.
• 0-10V output for fan control.
• Automatic speed selection based on the number of zones on demand.