Single-flow heat recovery unit NANO AIR®² CLASSIC

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Overview
Compact wall-mounted heat recovery ventilation unit designed to renew indoor air while recovering heat from extracted stale air. Fitted with a ceramic heat accumulator to preheat and filter incoming air, improving indoor air quality without ductwork.

Key benefits

• Easier installation: no duct network inside the building.
• Very low noise level for quiet operation.
• Improved air cleanliness: efficient filter system removing dust, pollen and insects.

Operating principle
In Heat Recovery mode the Nano Air®² Classic alternates between two 70-second cycles:

• Cycle I: extraction of warm stale air from the room.
• Cycle II: intake of fresh outside air, filtered and supplied to the room.

Main features

• Three selectable speed modes.
• Airflow range: 14 m³/h to 54 m³/h.
• Two pollen filters.
• EC motor for efficient operation.
• Ceramic heat accumulator with recovery efficiency up to 88%.
• Control options: unit-mounted three-position selector switches and optional remote control (night mode, humidity settings):
• manual control via selector switches for basic functions,
• remote control for finer adjustments (night mode, humidity parameters).
• Adjustable front panel to set airflow; protective damper to prevent backdrafts when stopped.
• Operating limits:
  • ambient temperature: -20°C to +50°C,
  • maximum relative humidity: up to 80%.
• Warranty: 2 years.

Installation requirements

• Drill a round hole Ø 180 mm in the wall to install the unit.
• Fix the duct in the wall using the supplied polystyrene wedges and builder's foam.
• The telescopic duct end must allow fitting of the external ventilation grille.
• Provide a minimum 3 mm external slope on the duct towards the outside.

Compliance

• Complies with Eco-design Regulation (EU) 1253/2014 and Energy Labelling Regulation (EU) 1254/2014 for ventilation. See applicable ErP information for energy classes.

Technical specifications

• Model: Nano Air®² Classic
• Brand: Aldes
• Heat exchanger: ceramic heat accumulator (up to 88% efficiency)
• Airflow: 14 m³/h – 54 m³/h
• Speed modes: 3
• Filters: 2 pollen filters
• Motor: EC motor
• Controls: three-position selector switches on unit; optional remote control (night mode, humidity parameters)
• Adjustable front panel; protective damper against backdrafts when stopped
• Operating ambient temperature: -20°C to +50°C
• Maximum relative humidity: up to 80%
• Warranty: 2 years
• Installation: round hole Ø 180 mm; use supplied polystyrene wedges and builder's foam; telescopic duct end for external grille; minimum external slope 3 mm