Custom mode settings

The Custom mode is used in special circumstances, for example, to compensate for temporary negative pressure caused by a fireplace or cooker hood. A timer can also be set for the Custom mode. In such situations, the difference between the supply and extract air flows should not exceed 30%.

  1. Set a timer for the Custom mode (optional).
  2. Set the Custom mode’s fan speeds and supply air temperature.
  3. Proceed with the setup by selecting OK: