54 Physical Properties 325 400 Width x Height x Depth (mm) mm 740 x 957 x 585 mm Casing Coated sheet steel Colours White + green Connections Interior diameter: Ø 160 mm - Exterior diameter: Ø 190 mm Condensate drain Ø 32 mm (1 ¼”) Heat exchanger PET / Polystyrene Interior material EPP / PP / ABS Weight 47 kg Power plug cable length 2 m (connected at the top side of the unit) Mounting Wall mounting (standard) Floor mounting as an option using support frame Miscellaneous Properties 325 400 Energy class With two sensors: A+ Other: A Specific energy consumption (SEC) Cold kWh/(m².a) -82.9 (1) -82.1 (1) Average -43.6 (1) -43 (1) Warm -43 (1) -18 (1) Maximum flow rate at 100 Pa ESP m³/h 327 405 Sound power level LWA dBA 41 46 Filters Filter supply air (175 x 500 x 25 mm) Standard: ISO 16890 Coarse 65 % (≈ G4) Optional: ISO 16890 ePM1 70% (≈ F7) Filter exhaust air (175 x 500 x 25 mm) Standard: ISO 16890 Coarse 65% (≈ G4) Summer by-pass Full (100% modulating) Frost protection Imbalance - Optional via proportional Heater Fans EC fan with curved blades Automatic configuration yes Constant flow control Yes Controls Integrated display Use via control switches and room sensors Sensors Integrated: pressure, temperature, humidity (via optional box sensor), onboard switch contact External: CO2 (via optional room sensor), humidity (via optional room sensor), external switch contact (voltage-free input) (optional) Communication Standard: DUCO RF, DUCO Wired, Switch contact Can be expanded with Communication Print: Modbus, PWM-IN, PWM-OUT, Switch contact (3x), Ethernet, Micro SD-card slot Electrical Characteristics 325 400 Maximum electrical capacity at 150 Pa 120 W (2 x 60 W) 183 W (2 x 91.5 W) Maximum electrical capacity heater 1,000 W Power supply 230 V, 50 Hz - via 3-core cable with earth plug Plugs 0-10 V in/outputs Motor type DC IP class IP40 Efficiency At 228 m3/h: 87 % At 275 m3/h: 86 % At 332 m3/h: 85 % At 301 m3/h: 85 % At 351 m3/h: 85 % At 401 m3/h: 84 % (1) Manual control (no DCV) DucoBox Energy Premium 325 - 400 Technical specifications DucoBox Energy Premium UK DucoBox Energy Premium + G A+ G A+ With 2 or more sensors With 1 sensor/ manual/ clock
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