Heatcraft Refrigeration 28910104 Control Board Freon System Protection: Provides essential high-limit

System Protection: Provides essential high-limit detection to prevent heat exchanger damage and hazardous operating conditions

provides versatile nominal capacity ratings depending on the system refrigerant: 5 tons for R-22 and R-407C

Rated for temperatures up to 180°F and a maximum working pressure of 125 PSI

there is no differential adjustment

ensuring the wattage-to-displacement ratio is optimized for the motor housing

Heatcraft Refrigeration 28910104 Control Board Freon System Protection: Provides essential high-limitThe Heatcraft Refrigeration 28910104 Control Board is a critical replacement component designed for Quick Response Controller (QRC) systems. This QRC Ctrl Board features V4. 4 Firmware, offering enhanced logic for demand defrost cycles and precise evaporator fan management. Engineered for high stakes commercial refrigeration maintenance, this board optimizes system efficiency by monitoring ambient and coil temperatures to prevent unnecessary energy