The TC5-1N4F1A Controller is a powerful natural ventilation control from AP, designed for barns and livestock facilities. It manages variable and constant fan stages, heating, curtains, and misting to maintain precise climate conditions while protecting animal comfort and health.

AP TC5-1N4F1A Ventilation / Natural Combination Controller

Key Features & Spec. Highlights of the TC5-1N4F1A Controller:

• Controls: 1 variable fan stage, 1 or 2 on/off fan stages, 1 curtain, 1 mist, 1 heat zone

• Enclosure: Water resistant, ABS / moisture & dust tolerant

• Voltage: 115 / 230 VAC, 50/60 Hz

• Display: Three-digit, 0.1° resolution

• Control curves: Supports set point & minimum ventilation speed curves (up to 6 points)

• Motor curve selection: 10 motor curves for compatibility with different fan motors

• Humidity compensation: Stage 1 minimum can adjust based on humidity level

• High / Low alarm output, Overload & overvoltage protection with fused inputs & outputs

• Probes: Up to 4 temperature probes, averaged for decision making

• Wiring & relay capacity: Internal relays rated for 6 A motor load, but for on/off stages connected devices a 10 A output limit recommended by wiring spec

Additional Internal Notes:

• The wiring diagram in the manual shows proper phase alignment, ground wiring, and warns not to drill enclosure sides — use knockouts only.

• The manual states ambient operating range must remain between 32°F to 104°F (0°C – 40°C).

• Optional features include humidity sensor input, computer interface (for centralized control), outdoor temperature compensation (for curtain logic), and water meter input for water usage tracking.