Product Description
. . . . . Johnson Controls A525AEDN-0203C Electronic Refrigeration Controller - A525 Series - The A5xx series refrigeration controller with adaptive defrost provides refrigerated space control and defrost control for medium and low temperature refrigeration applications. The A5xx controller has five integral line-voltage, dry-contact relays to control the compressor, defrost heater or solenoid, evaporator fans and (user provided) alarm devices. The controller can control resistive heat, hot-gas bypass, or passive defrost. The controller can also control two speed evaporator fans. The adaptive defrost feature allows the controller to adjust the defrost schedule to the minimum number of defrost intervals required to maintain peak efficiency, save energy, and maintain consistent space temperature. The A5xx controller has an IP65 enclosure that allows for wall-surface mount or optional DIN Rail mount.. Johnson Controls. Johnson Controls. A525AEDN-0203C.