Top Board for TC5-2N6FA Controller. 

Replacement Top Board # E330-0536 is the factory replacement circuit module for the AP TC5-2N6FA environmental controller. This top board handles the logic and upper-level functions—such as communications, temperature/humidity inputs, alarms, and stage management. Swap in this board when the original fails or to restore full functionality.

Key Features:

• OEM replacement for TC5-2N6FA top circuit board (E330-0536)

• Restores functions like curtain control, alarm, probe inputs, communications

• Designed for the rugged agricultural environment

• Plug-and-play installation (when properly wired)

• Retains parameter memory (if other module intact)

• 2 variable stages, 2 on/off stages
• 2 curtain outputs, alarm, display, humidity input, etc.
• Top Unit for TC502NfA controller

Applications:

• Repairing malfunctioning TC5-2N6FA units

• Maintaining environmental control in hog barns, poultry barns, and livestock buildings

• Retrofitting or upgrading modular AP controller systems