ECH 400/600 family is a range of compact devices that permit the control of air conditioning units and heat pumps of the following types:

•water-air

•air-water

•water-water

•condensing units.

The controllers can manage units with up to four (ECH 400) or six (ECH 600) power stages distributed in a maximum of 2 cooling circuits (for example, 2 circuits, with 2 or 3 compressors per circuit).