What is the maximum ambient temperature for the control housing

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Heatcraft Refrigeration 28910104 Control Board 323269-701 What is the maximum ambientThe 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