Air-to-air heat recovery unit. Installation on ceiling

Air-to-air heat recovery unit, nominal airflow 380 m³/h, dimensions 330x1350x680 mm, weight 85 kg, nominal static air pressure 340 Pa, sound pressure at 1 m 54 dBA, nominal electric power 330 W, single-phase power supply at 230 V, heat recovery efficiency in humid conditions 88.8%, recovered heat power 3.03 kW (outdoor air temperature -7°C with 80% relative humidity and indoor air temperature 20°C with 55% relative humidity), heat recovery efficiency in dry conditions 81.2% (outdoor air temperature 5°C with 80% relative humidity and indoor air temperature 25°C), with aluminum plate cross-flow heat exchanger, high-efficiency EC type motors, bypass with servo motor for mode change from recovery to free-cooling, double-panel structure with 25 mm thick mineral wool insulation, exterior panels made of pre-painted steel and interior panels made of galvanized steel, F7+F8 class air filters at outdoor air intake, M5 class air filter at indoor air return, differential pressure switches for series filters, access to fans and air filters through inspection panels, lateral access to filters, electronic control for ventilation and temperature regulation, and filter state monitoring and integration with BMS via Modbus communication protocol and RS-485 communication bus. Installation on ceiling. Including ceiling suspension elements.