BLAUBERG Ventilation EH Freshbox Electric Heater Installation Guide

June 9, 2024
BLAUBERG Ventilation

BLAUBERG Ventilation EH Freshbox Electric Heate
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BLAUBERG Ventilation EH Freshbox Electric Heate

BLAUBERG Ventilation EH Freshbox Electric Heate
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The electric heater maintains above-zero temperature of the condensate drain pipe of the air handling unit. The heater is equipped with a temperature sensor for automatic activation and de-activation. The device is powered via a plug-in cable which connects it to the control unit of the air handling unit.

Parts

BLAUBERG Ventilation EH Freshbox Electric Heate 01

Adjustment

  1. Adjust the heater length L in consideration of the air duct length and the vent hood dimensions.BLAUBERG Ventilation EH Freshbox Electric Heate 02Mark the necessary length of the heater L on the guide tube, cut off the extra cable ties with wire cutters, move the cable away to the side and saw off the redundant part of the tube.

BLAUBERG Ventilation EH Freshbox Electric Heate 02

  1. Trim the drain tube.
    The distance between the ends of the drain tube and the guide tube on the temperature sensor side shall be 20 – 30 mm.BLAUBERG Ventilation EH Freshbox
Electric Heate 04

  2. Install the electric heater prior to the air handling unit installation or remove the air handling unit if already installed.
    Insert the drain tube into the guide tube.
    Route the heater cable through the connection pipe.
    Place the electric heater inside the air duct and suspend the air handling unit back in place.BLAUBERG Ventilation EH Freshbox Electric Heate
04

  3. To access the control unit, open the air handling unit and remove the shielding plate by undoing the attachment screws.

    • Fresh box 110BLAUBERG Ventilation EH Freshbox Electric Heate 04
    • Fresh box 100BLAUBERG Ventilation EH Freshbox Electric Heate 04
  4. Connect the heater to the control unit in accordance with the wiring diagram.

    • Fresh box 110BLAUBERG Ventilation EH Freshbox Electric Heate 04
    • Fresh box 100BLAUBERG Ventilation EH Freshbox Electric Heate 09

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