Outdoor air temperature (MV)
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:
- Open Expert settings and select Defrost settings.

- Select Outdoor air.
- Set the outdoor air temperature. The setting range is 0–100%. The factory setting depends on the ventilation unit type.
- Select OK.
