Eurapo EDS 004, a high-pressure ducted fan coil from the EST inverter range: double-skin ducted unit, horizontal installation. As ordered it carries a 4-row water coil; an EC brushless motor with built-in inverter; an ON/OFF 3-way regulating valve with bypass (_3xx / J3xx, 230 V thermoelectric actuator); the AS air sensor (NTC 10 kΩ at 25 °C) on the air intake; an OPower BMS card (Modbus RTU over RS-485) for integration into a building management system. Rated performance for this configuration: cooling capacity 4.97 kW, air flow 624 m³/h, sound power level 41 dB(A), water connections 3/4". The EDS is a double-skin, two-pipe ducted unit built from 25 mm insulated panels on an aluminium frame and rated for up to 300 Pa external static pressure. Maximum operating pressure is 10 bar with valves fitted. Full type designation ESTEDS 004-4R+AS+ORBT.10+J3B2. Supplied under manufacturer part number ESTEDS004-4R+OPT V2 3W, HS code 8415.90, country of origin Italy.