Control gateway for air-to-water air conditioners. Control up to three fan-speeds and the opening and closing of valves. Compatible with 2 pipes or 4 pipes units.

Externally power supplied at 110/230 Vac. Mounted on DIN rail or on wall.

Features:

·     Two electro-valve control relays for demand.

·     Three control relays for fan-speed selection.

·     Automatic speed selection according to the number of zones on demand.