RECOM 3 SEF EC

Product Description

RECOM 3SEF EC L/R – is a new generation, high-efficiency air handling unit with energy (heat and moisture) recovery, designed for modern homes and apartments. This model stands out with increased performance (up to 390 m³/h) and an integrated enthalpy counterflow heat exchanger. It not only recovers heat with high efficiency but also maintains an optimal moisture balance indoors, protecting the home from drying out in winter and excess humidity in summer, while reducing energy costs for air conditioning.

Thanks to advanced EC fans and 30 mm mineral wool insulation, the unit operates extremely efficiently. The model is adapted for connection to Ø160 mm diameter ducts and is available in left or right-hand configurations (L/R), providing flexibility during installation.

Key Features:

• Efficient Enthalpy Heat Exchanger: A special membrane transfers moisture and heat between air streams. Heat recovery efficiency reaches 78–90%. Made of enthalpy material, it helps maintain a comfortable microclimate and reduces the need for constant condensate drainage under most conditions.

• Next-Generation EC Fans: Features highly efficient, electronically commutated motors with backward-curved blades (RPM up to 2600). These ensure high performance with minimal electricity consumption and quiet operation.

• Robust and Insulated Casing: Constructed from painted steel and lined with 30 mm mineral wool for superior thermal and sound insulation (noise level only 35 dBA).

• Integrated Electric Heater: The unit comes standard with a 1400 W electric heater, ensuring a comfortable supply air temperature even during severe outdoor frosts.

• Smart Control System: Built-in Wi-Fi automation allows control via the RECOM AHU mobile app. It also supports BMS protocols (Modbus RTU, TCP).

• Automatic Bypass: A motorized bypass damper allows for free-cooling during summer nights by using cool outdoor air directly.

• Effective Filtration: Equipped with G4 class filters for extract air and G4 (with an F7 option) for supply air.

Technical Specifications (RECOM 3SEF EC L/R):

• Maximum Airflow: 390 m³/h
• Heat Recovery Efficiency: 78–90%
• Power Supply Voltage: 1~230 V / 50 (60) Hz
• Maximum Unit Power (without heater): 180 W
• Maximum Current (without heater): 1.37 A
• Electric Heater Power: 1400 W
• Maximum RPM: 2600 min⁻¹
• Sound Pressure Level (at 3m): 35 dBA
• Transported Air Temperature: -25°C to +40°C
• Casing Material: Painted steel
• Insulation: 30 mm mineral wool
• Filters: Extract air G4; Supply air G4 (F7 - option)
• Duct Connection Diameter: Ø160 mm
• Weight: 66 kg
• Heat Exchanger Type: Counter-flow
• Heat Exchanger Material: Enthalpy membrane
• Energy Efficiency Class: A
• Dimensions (Width x Height x Depth): 560 x 970 x 560 mm

Control Functions and Accessories:

• Mobile app control via Wi-Fi (standard feature).
• Service RECOM Cloud Server support.
• Automatic and manual bypass control.
• Weekly schedule, filter change indication (timer-based), fault indication.
• Speed switching, timer, Boost function, Fireplace function.
• Minimum supply air temperature regulation.
• Available accessories (purchased separately): Wired control panels (FP, FPD LCD), Wi-Fi control panel (FP Wi-Fi), humidity sensor, CO₂ sensor, VOC sensor, PM2.5 sensor.
• BMS Interfaces: RS-485, Wi-Fi, Ethernet, MODBUS (RTU, TCP).

Certification

To ensure the highest level of hygiene, the counterflow heat exchanger in this unit is certified according to the VDI 6022 European standard, making it a safe and reliable choice for any environment, including those with sensitive air quality requirements.

The RECOM 3SEF EC L/R is an ideal solution for those who value not only heat recovery but also optimal indoor humidity levels. This enthalpy heat recovery unit ensures the highest level of comfort and energy savings in medium-sized residential spaces.