Ageon FanSpeed is a condensation controller designed for refrigeration and air-conditioning systems exposed to wide ambient temperature swings. It modulates condenser-fan speed according to system pressure setpoint to prevent evaporator icing and maintain stable condensing pressure. Pressure is read via an external transducer; the controller accepts common signal standards (4–20 mA, 1–5 V, 0–10 V, or 0.5–4.5 V) and integrates a digital manometer display that can show pressure, output voltage, or alternate between both. Electrical specs include 200–240 Vac, 50/60 Hz supply, up to 8 A output and maximum output voltage of 97% of line. Operating range is −20 to +50 °C, IP20 enclosure, 5–90% RH (non‑condensing). Compatible transducer ranges cover roughly 25–60 bar (363–870 psi). Benefits include reduced noise and more efficient, stable operation.