HR cell bypass test

To test the operation of the HR cell’s bypass damper:

  1. Select Settings.
  2. Select Service menu with the arrow buttons.
  3. Select OK.
  4. Select HR cell bypass test with the arrow buttons:
  5. Select OK.

    The Position of the bypass damper screen opens:

  6. Use the arrow buttons to select the damper position. The options are:

    • Normal operation — The HR cell bypass test is disabled, the bypass damper moves normally.

    • Heat recovery — The damper is closed (“winter position”) and air flows through the HR cell.

    • Bypass — The damper is open (“summer position”) and air passes by the HR cell.

  7. Open the ventilation unit door to make sure the damper moves to the right position.
  8. Select Back.
  9. The HR cell bypass test has been completed.