The Atlanta Series control board is a multiprocessor-based four-zone multicompressor geothermal control board. Features include built-in drives for multispeed and variable-speed fans, four independent zones, field programmability, and flash upgradability in the field. Available to OEMs, the control board offers optically isolated inputs, dual processors, field-programmable auxiliary function relays, support for dual domestic hot-water systems as well as forced air, automated temperature control, and integral humidity control. To help technicians diagnose problems in the field, there are 49 diagnostic LEDs onboard and downloadable event log files.

Georgia Controls, 3407 Duluth Hwy. 120, Duluth, GA 30096-3341; 770-476-7322;

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