Outdoor air temperature

The outdoor air temperature setting influences the unit’s operation in very cold conditions (aluminium cell: below -20°C; plastic cell: below -5°C). The setting is optimised according to the cell type and installation conditions.

Important:

Do not change the outdoor air temperature without consulting an HVAC expert.

To set the outdoor air temperature:

  1. Select Settings.
  2. Select Expert settings with the arrow buttons.
  3. Select OK.
  4. Select Defrost settings with the arrow buttons.
  5. Select OK.
  6. Select Right arrow two times.

    The Defrost settings screen opens:

  7. Use the Plus and Minus buttons to set the outdoor air temperature. The setting range is 0–100%. The factory setting depends on the ventilation unit type.
  8. Select OK.
The outdoor air temperature has now been set.