Microprocessor DEI-767 AC use

The multiple controller for air conditioning DEI-767, allows 6 different types of wiring.

Three of these wiring are for cold-only equipment, these being: One to one direct expansion A / C; One to multi-chiller direct expansion with three-way valve; Chiller system with three-way valve.

The other three wiring that it allows are for hot / cold equipment: One by one direct expansion, cooling and heating with 4-way valve and compressor with contactor; One multi coolers, 3-way direct expansion heaters and 4-way valve :; and finally, chiller and hot water system with 3 and 4-way valves.