Stavoklima

Heat recovery units OMNIFAN RC

Unit properties

The OMNIFAN RC ceiling-mounted units offer a compact and energy-efficient solution for ventilation with heat recovery in commercial and public buildings such as schools, offices, hotels, healthcare facilities, halls, and retail spaces.
The unit is designed for ceiling installation, with service access from the bottom, which significantly simplifies installation, maintenance, and operation.

At the core of the system is a counterflow plate heat exchanger with an efficiency of up to 90% (EN 308), equipped with an automatic bypass for summer operation and frost protection.
The units are fitted with EC fans featuring smooth speed control and high-efficiency motors, ensuring low energy consumption and quiet operation.

Each unit forms a compact assembly, incorporating the heat exchanger, fans, bypass, and filters.
For heating or cooling, the unit can be equipped with external modules (water, electric, or DX), which are ordered separately according to project requirements.

 

Control can be provided locally, via BMS (Modbus TCP/IP or BACnet IP/MSTP), or remotely via PC or mobile application.
The units comply with Ecodesign regulations (EU 1253/2014 and 2016/2281) regarding efficiency, control, and environmental responsibility.

Technical specification

Configuration options

  • Water heating coil
  • Water heating and cooling coil
  • Direct expansion (DX) cooling/heating coil
  • Water heating coil + DX cooling/heating coil
  • Electric heating
  • Electric pre-heating
  • Electric heater + DX cooling/heating coil

 

Other modules

Air recirculation module – allows partial or full reuse of already tempered indoor air.
This mode reduces the system’s energy consumption, particularly during transitional seasons, and shortens the temperature recovery time after night or weekend setbacks.

Control and sensor gear:

  • 4″ or 8″ touch-screen controller
  • CO₂, temperature, humidity, and smoke sensors
  • Remote control via PC or mobile application
  • BMS communication (Modbus TCP/IP / BACnet IP/MSTP)
  • Automatic regulation based on air quality, temperature, CAV, and VAV modes
  • Logging and evaluation of operational data for performance and maintenance optimization

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