HR cell defrost
To defrost the HR cell manually:
- Select Settings.
- Select Service menu with the arrow buttons.

- Select OK.
- Select HR cell defrost with the arrow buttons:

- Select OK.

The unit asks you to confirm the task:

- Select OK.

Defrosting begins:

The defrosting process takes approximately 15–45 minutes, and when complete, the ventilation unit returns to normal operation.
- Select Back.
