NuAire MRXBOXAB-ECO2-AE Installation Manual

Nuaire MRXBOXAB-ECO2-AE is a wall-mounted Mechanical Ventilation with Heat Recovery (MVHR) unit designed for whole-dwelling ventilation. It features two independent fans with speed control for background and boost ventilation. The heat recovery system can recover up to 95% of wasted heat from exhaust air, improving energy efficiency. The unit also incorporates an integral automatic HX bypass for warmer months, allowing fresh filtered air to bypass the heat exchanger. Installers can choose between circular or rectangular ducting and have the option to connect an Ecosmart device for enhanced control.

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Nuaire MRXBOXAB-ECO2-AE Installation Manual | Manualzz

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Key features

  • Wall-mounted MVHR
  • Heat recovery up to 95%
  • Two independent fans
  • Boost ventilation
  • Integral HX bypass
  • Ecosmart compatible

Frequently asked questions

The maximum whole dwelling extract ventilation rate should be at least the greater of the whole dwelling ventilation supply rate and the sum of individual room rates for 'minimum high rate' as determined in the installation manual.

No, MRXBOX units are designed for whole-dwelling ventilation and should not be used during construction or the clean-up period due to the potential for dust to damage the fans.

Nuaire recommends inspecting the filters every 6 months and replacing them every 12 months. A flashing LED will indicate when a filter change is required.
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