42 Physical Properties 325/D325 D400 Width x Height x Depth mm 700 x 705 x 525 756 x 800 x 584 Casing Coated sheet steel + EPP Colours White + Black Connections Inner Diameter: Ø 160 mm Inner Diameter: Ø 180 mm Condensate drain Ø 32 mm (1 ¼”) (2x) Heat exchanger PET/ Polystryene v1: PP - v2: PET/Alu Material of inside section EPP / PP / ABS Weight 21 kg 31 kg Power cable length 2 m (from top of unit) Mounting Wall mounting (standard) Floor mounting as an option using support frame Miscellaneous Properties 325/D325 D400 Energy class With two sensors: A+ Other: A Specific energy consumption (SEC) Cold kWh/(m².a) -83.6 (1) -76.9 (1) Average -43.9 (1) -39.1 (1) Warm -18.5 (1) -14.8 (1) Maximum flow rate at 100 Pa ESP m³/h 325 400 Sound power level LWA dBA 55 Filters Dynamic airflow filter supply air (460 x 185 x 15 mm) Standard: ISO 16890 Coarse 65 % (= G4) Optional: ISO 16890 ePM1 55% (= F7) Dynamic airflow filter exhaust air (460 x 185 x 15 mm) Standard: ISO 16890 Coarse 65 % (= G4) Dynamic airflow filter supply air (520 x 190 x 15 mm) Standard: ISO 16890 Coarse 65 % (= G4) Optional: ISO 16890 ePM1 55% (= F7) Dynamic airflow filter exhaust air (520 x 190 x 15 mm) Standard: ISO 16890 Coarse 65 % (= G4) Summer by-pass Fully (100% modulating) Frost protection Imbalance or optional external heater Fans EC fan with backward curved blades Automatic Calibration Yes (constant pressure) Constant flow regulation Yes Passive cooling Automatic passive cooling control Operation Integrated display Use via User controllers and CO2 or Humidity Sensors Sensors Integrated: pressure, temperature, onboard switch sensor External: CO2 (via optional Sensor), Humidity (via optional Sensor or measurement in ETA line), external Switch Sensor (voltage-free input) (optional) Communication Standard: Duco RF, Duco Wired, Switch Sensor Expandable with Communication Print: Modbus, PWM-IN, PWM-OUT, Switch Sensor (3x), Ethernet, Micro SD-card slot Electrical Characteristics 325/D325 D400 Maximum electrical power 118 W (2 x 59 W) 145 W (2 x 72.5 W) Power Supply 230 V, 50 Hz Via 3-core power cable with earthed plug Contacts 0-10 V in/output Type of motor DC Energy conversion efficiency At 325 m3/h: 85% At 279 m3/h: 86% At 277 m3/h: 88% At 400 m3/h: 83% At 351 m3/h: 84% At 307 m3/h: 85% (1) Manual control (no DCV) Technical specifications DucoBox Energy Comfort 325 - D325 - D400 DucoBox Energy Comfort DucoBox Energy Comfort UK DucoBox Energy Comfort FR + G A+ G A+ With 2 or more sensors With 1 sensor/ manual/ clock
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