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| Configuration
If the temperature is very low and the heater is activated during the nighttime (even with lowered temperature set-
point), then during the upcoming daytime indoor temperature will be increased using the heat exchanger so that accu-
mulated heat could be used during the next cold nighttime, the lowered setpoint for the heater remains.
ECO mode will have impact for the following user
functions/modes if selected:
• AUTO mode
• MANUAL mode
• AWAY mode
• HOLIDAY mode
• CENTRAL VACUUM CLEANER function
• COOKER HOOD function
• FIREPLACE mode
7.5.3
Airflow settings
Airflow settings are available only in MANUAL mode. Click on fan icon on the main screen to enter SET
AIRFLOW menu.
The airflow may be adjusted in these steps: Off/Low/Normal/High. These settings control output signals to the sup-
ply and extract fans.
Important
It is not recommended to set fan to Off in standard households. If manual fan stop is activated, the unit
should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of
condensation when the unit has been stopped.
The fan can be set to Off by activating Manual Fan Stop function in Service menu.
7.5.4
Indoor Air Quality
The unit automatically controls indoor humidity and/or CO
increased if air quality is decreasing.
Demand Control function is responsible for IAQ (Indoor Air Quality) regulation. Relative humidity (RH) and/or CO
sors are responsible for IAQ monitoring.
Indoor air quality (IAQ) indicator is available if AUTO mode and Demand Control function is activated.
IAQ levels:
• ECONOMIC: Actual IAQ value is below low IAQ set point.
• GOOD: Actual IAQ value is between low and high IAQ limits.
• IMPROVING: Actual IAQ value is above high IAQ set point.
Different airflow settings can be set for IMPROVING and GOOD IAQ levels in Service menu.
Setpoint for relative humidity and CO
7.5.5
Status line
Status line located at the bottom area of home screen displays information about:
Use up and down arrows or a slider to change the airflow value.
level can be set in Service menu.
2
ECO mode is always activated by the following modes:
• AWAY mode
• HOLIDAY mode
ECO mode is always deactivated by the following user
functions/modes:
• CROWDED mode
• REFRESH mode
• FREE COOLING function
levels by adjusting airflow setting. Airflow is
2
GB
sen-
2
212024 | A003, rev 29
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