Blauberg BLAUBOX DE 3300-21 Pro

Ventilation units for efficient supply ventilation in various premises.Controllable air supply, heating and filtration.Compatible with 400x200, 500x300 and 600x350 mm rectangular air ducts.

The casing is made of double-skinned aluzinc panels, internally filled with 50 mm mineral wool layer for heat and sound insulation.The casing has fixing brackets with vibration absorbing connectors for easy installation.The hinged casing panel ensures easy access to the internals for cleaning, filter replacement and other maintenance operations.

Asynchronous external rotor motor and centrifugal high-pressure impeller with backward curved blades is used for air supply.Integrated motor overheating protection with automatic restart.Dynamically balanced impeller.Equipped with ball bearings for longer service life.Reliable and quiet operation.

The built-in G4 supply filter provides air filtration.

The units are equipped with an electric heater for operation during cold seasons at low outside temperature.Two integrated overheat protection thermostats, one actuated at +60 °C with automatic restart and the other one actuated at +90 °C with manual restart.

The unit is suitable for mounting on the floor, ceiling mounting or wall mounting with fixing brackets in any mounting position except for the vertical one with air flow downwards.Wiring via the terminal block in the terminal box.The correct mounted unit must provide free access to the hinged panel for servicing and filter replacement.

The units incorporate an integrated control system with a wall-mounted control panel and LCD display.The standard delivery set includes a 10 m cable for connection of the unit and the control panel.Control panel functions:

• Activating/deactivating the unit.
• Setting low, medium and high speeds for the supply fan. Air flow control.
• Supply air setting and maintaining.
• Display of indoor air temperature.
• Display of errors (alarms) and filter replacement indication.
• Setting or week-scheduled operation of the unit.

• Overheating protection of the electric heating elements.
• Disabling heater activation during the fan shutoff.
• Filter clogging control with a pressostat.