EN-34
The cursor places itself below the override authorisation (free or overridden). Confirm by pressing ENTER.
The cursor places itself under the override value. Display the new value by pressing the button or the button.
Confirm by pressing ENTER.
The unit is now in "manual mode".
When overriding the electric heater, make sure that the air flow rate is at least half the nominal flow rate. FIRE RISK
The overrides are cancelled when the unit is set back to "on"